2021-2022学年第二学期冀教版四年级数学期末测试卷（图片版有答案）

2021-2022第二学期小学数学
四年级参考答案
填空题（每空1分，共26分）
2. 0.85 9.23 3. 10 14 30
（） 5. 89.5 1.9 0.5 6. 小亮 小金 7. a-50b 8. 2499（2500） 0 9. 24 42 33 33 10 . 4
判断题（6分）
√ 2. × 3. √ 4. × 5. × 6. ×
选择题（6分）
1. B 2. A 3. B 4、B 5. A 6. C
计算题 （4+6+9=19）
2.19和57的最大公约数是19 63和36的最大公约数是9；
27和64的最大公约数是1.
3. 3.45 8700 24.8
五、动手操作（7分）
1. ④； ②⑤⑥⑦ 2. 720° 提示：从六边形的任意一个顶点出发向其他顶点依次引三条线段，可以把六边形分成4个三角形，每个三角形的内角和是180°，180°×4=720° 所以六边形的内角和是720°。
六、解决问题（5+6+6+6=23分）
1. 1－（＋）·········································································（3分）·
= ····································································（1分）
答：略··············································································（1分）
2.120×28×8 ·······································································（3分）
=33600（元）··········································································（2分）
答：略··············································································（1分）
3.80－（26.26+43.58）····························································（3分）
=10.16（元）·········································································（2分）
答：略.·················································································（1分）
250× 4 × 90··········································································（3分）
=90000（平方米）··································································(2分)
答：略························································································（1分）
根据统计图完成问题。（8分）
四（1） 四（3） 2. 90 18
3.提示:1.保持充足睡眠，让眼睛有充分的休息。不要直视强光，不要长时间看电视、玩电脑等电子产品。要适当休息，眺望远处或看绿色植物。2.写作业时，姿势要正确，养成写作业“一尺一寸一拳”的好习惯。3.要认真做好眼保健操。4.不要躺着或趴着看书。不要在动荡的车厢内、轮船上、光线不好的地方看书。5.多吃一些胡萝卜、韭菜、鳗鱼等含维生素A的食品。6.要加强身体锻炼，保持充足的精力。