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人教版七年级数学下册全册同步+数学下册全册导学案
人教版七年级 数学下册全册同步+数学下册全册导学案 人教版七年级数学同步练习下册 目 录 目 录··················································································································1 5.1.1《相交线》同步测试题························································································8 5.1《相交线》检测题一······························································································9 5.1《相交线》检测题二···························································································· 11 (第 6 题图)··········································································································11 E···························································································································11 D·························································································································· 11 B···························································································································11 C···························································································································11 5.1《相交线》检测题三···························································································· 14 5.1《相交线》检测题四···························································································· 16 5.2.1《平行线》同步测试························································································· 18 5.2.2《平行线的判定》同步测试一·············································································19 5.2.2《平行线的判定》同步测试二·············································································20 5.2《平行线》检测题一···························································································· 22 5.2《平行线》检测题二···························································································· 25 5.2《平行线的判定》检测题一··················································································· 27 5.2《平行线的判定》检测题二··················································································· 29 5.2《平行线的判定》检测题三··················································································· 30 5.2《平行线的判定》检测题四··················································································· 33 5.3.1《平行线的性质》同步测试················································································35 5.3.1《平行线的性质》同步测试二·············································································36 5.3《平行线的性质》检测题一··················································································· 38 5.3《平行线的性质》检测题二··················································································· 40 5.3《平行线的性质》检测题三··················································································· 42 5.3《平行线的性质》检测题四··················································································· 43 C···························································································································45 5.3《平行线的性质》检测题五··················································································· 46 5.1—3《相交线、平行线》检测题·············································································· 48 5.4《平移》检测题一······························································································· 50 5.4《平移》检测题二······························································································· 53 5.4《平移》检测题三······························································································· 55 5.4《平移》检测题四······························································································· 57 第五章《相交线与平行线》单元测试题一····································································· 59 第五章《相交线与平行线》单元测试题二····································································· 63 第五章《相交线与平行线》单元检测题三····································································· 65 C···························································································································66 A·························································································································· 66 B···························································································································66 E···························································································································66 F···························································································································66 第五章《相交线与平行线》单元测试题四····································································· 71 6.1.1 算术平方根检测题··························································································· 74 6.1.2 平方根估算检测题··························································································· 76 6.1.3 平方根检测题································································································· 77 6.1《平方根》同步测试一························································································· 82 6.1《平方根》同步测试二························································································· 83 6.1《平方根》同步测试三························································································· 84 6.2《立方根》检测题······························································································· 85 6.2《立方根》同步测试一························································································· 88 6.2《立方根》同步测试二························································································· 89 6.3《实数》检测题一······························································································· 89 6.3《实数》检测题二······························································································· 91 6.3《实数》检测题三······························································································· 93 6.3《实数》检测题四······························································································· 94 6.3《实数》同步测试一···························································································· 95 6.3《实数》同步测试二···························································································· 95 6.3《实数》同步测试三···························································································· 96 第六章《实数》单元测试题一··················································································· 100 第六章《实数》单元测试题二··················································································· 102 第六章《实数》单元测试题三··················································································· 105 第六章《实数》单元测试题四··················································································· 108 7.1.1《有序数对》同步测试一················································································· 111 7.1.1《有序数对》同步测试二················································································· 113 7.7.1《有序数对》同步测试三················································································· 114 7.1.2《平面直角坐标系》同步测试一········································································ 115 7.1.2《平面直角坐标系》同步测试二········································································ 116 7.1.2《平面直角坐标系》同步测试三········································································ 119 7.2.1《用坐标表示地理位置》同步测试····································································· 121 7.2.2《用坐标表示平移》同步测试··········································································· 122 7.2《坐标方法的简单应用》同步测试········································································ 124 第七章《平面直角坐标系》同步检测··········································································126 第七章《平面直角坐标系》单元测试题一····································································129 第七章《平面直角坐标系》单元测试题二····································································132 第七章《平面直角坐标系》单元测试题三····································································135 第七章《平面直角坐标系》单元测试题四····································································138 8.1《二元一次方程组》检测题一·············································································· 141 8.1《二元一次方程组》检测题二·············································································· 145 8.2《消元法解二元一次方程组》检测题····································································· 148 8.2《二元一次方程组的解法》检测题········································································ 150 8.3《实际问题与二元一次方程组》检测题一······························································· 152 8.3《实际问题与二元一次方程组》检测题二······························································· 155 8.4《三元一次方程组解法举例》检测题····································································· 158 第八章《二元一次方程组》(8.1-8.2)检测······························································· 159 第八章《二元一次方程组》检测················································································162 第八章《二元一次方程组》同步练习··········································································164 9.1.1《不等式及其解集》同步练习题一····································································· 167 9.1.1《不等式及其解集》同步练习题二····································································· 168 9.1.1《不等式及其解集》同步练习题三····································································· 169 9.1.2《不等式的性质》同步练习一··········································································· 170 9.1.2《不等式的性质》同步练习二··········································································· 170 9.1.2《不等式的性质》同步练习三··········································································· 172 9.2《一元一次不等式》同步练习题一········································································ 173 9.2《一元一次不等式》同步练习题二········································································ 175 9.2《一元一次不等式》同步练习题三········································································ 177 9.2《实际问题与一元一次不等式》同步练习······························································· 179 9.2《实际问题与一元一次不等式》课时练·································································· 181 9.2《一元一次不等式组及其解法》同步练习······························································· 184 9.《不等式》习题精选一························································································· 188 9.《不等式》习题精选二························································································· 190 9.关于不等式的应用的典型例题················································································192 第九章《不等式与不等式组》单元测试题 A································································· 192 一元一次不等式(组)应用题··················································································· 195 巧解一元一次不等式······························································································· 202 9.1《不等式及其解集》检测题················································································· 204 9.1《不等式》检测题······························································································206 9.2《一元一次不等式》检测题················································································· 210 9.3《一元一次不等式组》检测题一··········································································· 218 9.3《一元一次不等式组》检测题二··········································································· 221 10.1 调查统计········································································································230 10.2 直方图···········································································································235 10.3《从数据谈节水》同步练习一·············································································238 10.3《从数据谈节水》同步练习二·············································································239 第十章《数据的收集与整理》单元测试一····································································240 第十章《数据的收集与整理》单元测试二····································································243 第十章《数据的收集、整理与描述》全章测试······························································247 七年级数学下册期中测试题一··················································································· 251 七年级数学下册期中测试题二··················································································· 254 七年级数学下册期中测试题三··················································································· 256 七年级数学下册期中测试题四··················································································· 260 七年级数学下册期中测试题五··················································································· 263 七年级数学下册期末测试题一··················································································· 267 七年级数学下册期末测试题二··················································································· 270 七年级数学下册期末测试题三··················································································· 274 七年级数学下册期末测试题四··················································································· 279 七年级数学下册期末测试题五··················································································· 283 目 录··················································································································289 5.1.1《相交线》同步测试题参答·············································································· 292 5.1《相交线》检测题一参答·····················································································292 5.1《相交线》检测题二参答·····················································································293 5.1《相交线》检测题三参答·····················································································293 5.3.1《平行线的性质》同步测试一 参答····································································294 5.3.1《平行线的性质》同步测试二参答····································································· 295 5.2.1《平行线》同步测试一参答·············································································· 296 5.2.2《平行线的判定》同步测试一参答····································································· 297 5.2.2《平行线的判定》同步测试二参答····································································· 298 5.2《平行线》检测题一参答·····················································································299 5.2《平行线的判定》检测题二参答··········································································· 302 5.2《平行线的判定》检测题三参答··········································································· 303 5.2《平行线的判定》检测题四参答··········································································· 304 5.2《平行线的判定》检测题五参答··········································································· 304 5.3 《平行线的性质》检测题一参答··········································································305 5.3《平行线的性质》检测题二参答··········································································· 305 5.3《平行线的性质》检测题三参答··········································································· 306 5.3《平行线的性质》检测题四参答··········································································· 307 5.3《平行线的性质》检测题五参答··········································································· 308 5.1《相交线、平行线》检测题参答··········································································· 308 5.4《平移》检测题一参答························································································309 5.4《平移》检测题二参答························································································310 5.4《平移》检测题三参答························································································310 5.4《平移》检测题四参答························································································310 第五章相交线与平行线单元测试题一参答····································································311 第五章相交线与平行线单元测试题二参答····································································311 第五章相交线与平行线单元检测题三参答····································································312 C························································································································· 313 A·························································································································313 B························································································································· 313 E························································································································· 313 F························································································································· 313 第五章相交线与平行线单元测试题四参答····································································318 6.1《平方根》同步测试一参答················································································· 319 6.1《平方根》同步测试二参答················································································· 319 6.1《平方根》同步测试三参答················································································· 320 6.2《立方根》检测题参答························································································321 6.2《立方根》同步测试一参答················································································· 321 6.2《立方根》同步测试二参答················································································· 322 6.3《实数》检测题三参答························································································322 6.3《实数》检测题四参答························································································323 6.3《实数》同步测试一参答·····················································································323 6.3《实数》同步测试二参答·····················································································324 6.3《实数》同步测试三参答·····················································································325 第六章《实数》单元测试题三参答·············································································325 第六章《实数》单元测试题四参答·············································································326 7.1.1《有序数对》同步测试一参答··········································································· 327 7.2.2《用坐标表示平移》同步测试参答····································································· 328 第七章《平面直角坐标系》单元测试题一参答······························································329 第七章《平面直角坐标系》单元测试题三参答······························································330 8.1《二元一次方程组》检测题一参答········································································ 331 8.2《消元法解二元一次方程组》检测题参答······························································· 333 8.1《二元一次方程组》检测题二参答········································································ 335 8.2《二元一次方程组的解法》检测题参答·································································· 337 8.3《实际问题与二元一次方程组》检测题一参答························································· 337 8.3《实际问题与二元一次方程组》检测题二参答························································· 339 第八章《二元一次方程组》同步练习参答····································································341 第八章《二元一次方程组》(8.1-8.2)检测参答·························································342 第八章《二元一次方程组》(8.3-8.4)检测参答·························································342 9.1.1《不等式及其解集》同步练习题一参答······························································· 343 9.1.1《不等式及其解集》同步练习题二参答······························································· 343 9.1.1《不等式及其解集》同步练习题三参答······························································· 343 9.1.2《不等式的性质》同步练习一参答····································································· 343 9.1.2《不等式的性质》同步练习二参答····································································· 343 9.1.2《不等式的性质》同步练习三参答····································································· 344 9.2《一元一次不等式》同步练习题一参答·································································· 344 9.2《一元一次不等式》同步练习题二参答·································································· 344 9.2《一元一次不等式》同步练习题三参答·································································· 345 9.2《实际问题与一元一次不等式》同步练习参答························································· 345 9.2《实际问题与一元一次不等式》课时练参答···························································· 346 9.1《不等式及其解集》检测题参答··········································································· 348 9.2《一元一次不等式组及其解法》同步练习参答························································· 348 9.《不等式》习题精选一························································································· 350 9.《不等式》习题精选二························································································· 351 巧解一元一次不等式参答························································································· 352 第九章《不等式与不等式组》单元测试题 A 参答···························································354 9.1 《不等式》检测题参答······················································································ 354 9.2 《一元一次不等式》检测题参答··········································································366 9.3 《一元一次不等式组》检测题一参答····································································378 9.3 《一元一次不等式组》检测题二参答····································································389 第十章《数据的收集与整理》单元测试参答·································································403 第十章《数据的收集与整理》单元测试二参答······························································403 第十章《数据的收集、整理与描述》参答····································································406 七年级数学下册期中测试题二参答·············································································407 七年级数学下册期末测试题二参答·············································································408 七年级数学下册期末测试题三参答·············································································410 5.1.1《相交线》同步测试题 一、选择题 1.下列 4 幅图中,∠1 和∠2 是对顶角的为( ). 考查目的:考查对顶角的概念. 2.如图,三条直线相交于点 O,∠AOE=∠AOC,则与∠AOC 互补的角有( ). 考查目的:考查邻补角的概念与及其性质. A.1 个 B.2 个 C.3 个 D.4 个 3.下列说法正确的是( ). A.邻补角一定互补 B.若两个角互补,则这两个角一定是邻补角 C.相等的角是对顶角 D.若两个角不是对顶角,则这两个角不相等 考查目的:考查对顶角和邻补角的概念及性质. 二、填空题 4.如图,剪刀剪开纸张的过程,随着两个把手之间的 夹角(∠DOC)逐渐变小,剪刀刀刃之间的夹角(∠AOB) 也相应 , 理由是 . 考查目的:考查对顶角的性质. 5. 两 条 直 线 相 交 形 成 的 四 个 角 中 , 如 果 有 一 个 角 是 90 ° , 则 另 三 个 角 的 度 数 分 别 为 . 考查目的:考查对顶角、邻补角的概念与性质. 6.已知直线 AB 与 CD 相交于点 O,∠AOC=40°, OF 平分∠BOC,则∠AOD= ; ∠COF= ;∠DOF= . 考查目的:考查邻补角、对顶角和角平分线的概念和性质. 三、解答题 7.如图,直线 、 与直线 相交,∠1=70°, ∠2=∠3,求∠4 的度数. 考查目的:考查对顶角相等及邻补角互补的性质. 8.如图,直线 AB、CD、EF 相交于点 O. (1)写出∠BOE 的对顶角和邻补角. (2)若∠AOC:∠AOE=2:1,∠EOD=90°,则∠BOC 为多少度? 考查目的:考查对顶角、邻补角的概念及性质. 5.1《相交线》检测题一 一、选择题:(每小题 3 分,共 15 分) 1.如图所示,∠1 和∠2 是对顶角的图形有( ) 1 21 2 1 2 21 A.1 个 B.2 个 C.3 个 D.4 个 2.如图 1 所示,三条直线 AB,CD,EF 相交于一点 O,则∠AOE+∠DOB+∠COF 等于( ) A.150° B.180° C.210° D.120° O F E D C BA O DC B A 6030 3 4 l3 l2 l1 1 2 (1) (2) (3) 3.下列说法正确的有( ) ①对顶角相等;②相等的角是对顶角;③若两个角不相等,则这两个角一定不是对顶角;④若两个 角不是对顶角,则这两个角不相等. A.1 个 B.2 个 C.3 个 D.4 个 4.如图 2 所示,直线 AB 和 CD 相交于点 O,若∠AOD 与∠BOC 的和为 236°,则∠AOC 的度数为( ) A.62° B.118° C.72° D.59° 5.如图 3 所示,直线 L1,L2,L3 相交于一点,则下列答案中,全对的一组是( ) A.∠1=90°,∠2=30°,∠3=∠4=60°; B.∠1=∠3=90°,∠2=∠4=30 C.∠1=∠3=90°,∠2=∠4=60°; D.∠1=∠3=90°,∠2=60°,∠4=30° 二、填空题:(每小题 2 分,共 16 分) 如图 4 所示,AB 与 CD 相交所成的四个角中,∠1 的邻补角是____,∠1 的对顶角___. 34 DC B A 1 2 O F E D C BA O E D C BA (4) (5) (6) 2.如图 4 所示,若∠1=25°,则∠2=_______,∠3=______,∠4=_______. 3.如图 5 所示,直线 AB,CD,EF 相交于点 O,则∠AOD 的对顶角是_____,∠AOC 的邻补角是_______; 若∠AOC=50°,则∠BOD=______,∠COB=_______. 4.如图 6 所示,已知直线 AB,CD 相交于 O,OA 平分∠EOC,∠EOC=70°,则∠BOD=______. 5.对顶角的性质是______________________. 6.如图 7 所示,直线 AB,CD 相交于点 O,若∠1-∠2=70,则∠BOD=_____,∠2=____. OD C B A 1 2 OE D C B A O E D C B A (7) (8) (9) 7.如图 8 所示,直线 AB,CD 相交于点 O,OE 平分∠AOC,若∠AOD-∠DOB=50°,则∠ EOB=______________. 8.如图 9 所示,直线 AB,CD 相交于点 O,已知∠AOC=70°,OE 把∠BOD 分成两部分,且∠BOE: ∠EOD=2:3,则∠EOD=________. 三、训练平台:(每小题 10 分,共 20 分) 1.如图所示,AB,CD,EF 交于点 O,∠1=20°,∠BOC=80°,求∠2 的度数. O F E D C BA 1 2 2.如图所示,L1,L2,L3 交于点 O,∠1=∠2,∠3:∠1=8:1,求∠4 的度数. 3 4 l3 l2 l1 1 2 四、提高训练:(每小题 6 分,共 18 分) 1.如图所示,AB,CD 相交于点 O,OE 平分∠AOD,∠AOC=120°,求∠BOD,∠AOE 的 度数. O E D C BA 2.如图所示,直线 AB 与 CD 相交于点 O,∠AOC:∠AOD=2:3,求∠BOD 的度数. O D C B A 3.如图所示,直线 a,b,c 两两相交,∠1=2∠3,∠2=65°,求∠4 的度数. c b a 3 4 1 2 五、探索发现:(每小题 8 分,共 16 分) 1.若 4 条不同的直线相交于一点,则图中共有几对对顶角?若 n 条不同的直线相交 于一点呢? 2.在一个平面内任意画出 6 条直线,最多可以把平面分成几个部分?n 条直线呢? 六、能力提高:(共 10 分) 已知点 O 是直线 AB 上一点,OC,OD 是两条射线,且∠AOC=∠BOD,则∠AOC 与∠BOD 是 对顶角 吗?为什么? 七、中考题与竞赛题:(共 5 分) 如图 16 所示,直线 AB,CD 相交于 O,若∠1=40°,则∠2 的度数为____ O DC B A 1 2 5.1《相交线》检测题二 A C B E D O 第 1 题图 一.选择题 (每小题 4 分,共 40 分) 1、如图,直线 AB 与直线 CD 相交于点 O,E 是∠AOD 内一点,已知 OE⊥AB,∠BOD=45°,则∠ COE 的度数是( ) A. 125° B. 135° C. 145° D. 155° 2、下面四个命题中正确的是( ) A. 相等的两个角是对顶角 B. 和等于 180°的两个角是互为邻补角 C. 连接两点的最短线是过这两点的直线 D. 两条直线相交所成的四个角都相等,则这两条直线互相垂直 3、如图,点 A、O、B 是在同一直线上,OD 平分∠BO C, OE 平分∠AOC,则下列说法中错误的是( ) A.∠DOE 是直角 B.∠DOC 与∠AOE 互余 (第 3 题图) C.∠AOE 和∠BOD 互余 D.∠AOD 与∠DOC 互余 4、对两条直线相交所得的四个角中,下面说法正确的是( ) ①没有公共边的两个角是对顶角 ②有公共边的两个角是对顶角 ③没有公共边的两个角是邻补角 ④有公共边的两个角是邻补角 A.①② B.①③ C.①④ D.以上都不对 5、下列说法正确的是( ) A.如果两个角相等,那么这两个角是对顶角 B.有公共顶点的两个角是对顶角 C.有公共顶点并且相等的两个角是对顶角 D.如果两个角是对顶角,那么这两个角相等 6、如图,已知直线 AB,CD 相交于点 O,OA 平分∠EOC,∠EOC=100º,则∠BOD 的度数是( ) A.20º B.40º C.50º D.80º 7、设 PO⊥AB,垂足为 O,C 是 AB 上任意一个异于 O 的动点,连结 PE,则 A.PO>PC B.PO=PC C.PO