2021--2022学年冀教版第二学期三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
三年级参考答案
填空题（每空1分，共27分）
三 四 2. 225平方厘米 3. 北 东 西 4. 90 5. 30 50 6. 10 7.
3×5 两 1500 9. 五 10.
41.19 12. 7 9 21
判断题（6分）
× 2. × 3. √ 4. √ 5. × 6. √
选择题（8分）
1. A 2. B 3. B 4、C 5. B 6. C 7. A 8.C
计算题 （4+6+9=19）
0 3200
3192 3710 1755
3. 933 141 1260
五、按要求解答下面问题（5+5=10分）
1. 东北 东 东南 南 东
2. 红盒子>黑盒子>蓝盒子>黄盒子>白盒子
六、解决问题（4+4+6+4+7=25分）
1. 上午9时40分=9时40分 下午6时40分=18时40分
18时40分—9时40分=9小时···································（2分）
720÷9=80（千米）···········································（1分）·
答：略 ······························································（1分）
2.5×6－2×2 ·······································································（2分）
=26（平方米）··········································································（1分）
答：略 ··············································································（1分）
每个书架上可以放多少本书？ 新购图书共有多少本？(2分)
36×3×4···············································································（2分）
=432（元）·········································································（1分）
答：略.·················································································（1分）
15× 14 －（14－12）···························································（2分）
=208（页） ··································································(1分)
答：略························································································（1分）
根据统计完成问题。（7分）
2 厨余 有害 40 47吨 B
垃圾危害：污染环境:(害物质，处理不当可直接污染土壤、空气和水源，并最终对各种生物包括人类自身造成危害。)
传播疾病:(大量滋生蚊蝇；促使垃圾中的细菌大量繁殖, 产生有毒气体和沼气, 引起垃圾爆炸。)
污染土壤和水体:(垃圾渗出液改变土壤成分和结构，有毒垃圾会通过食物链影响人体健康。垃圾破坏了土壤的结构和理化性质，使土壤保肥、保水能力大大下降。)
污染大气:(细小固体废物会随风飞扬，加重大气污染,在大量垃圾露天堆放的场区臭气熏天。)
卷面分5分 答案不唯一，仅供参考。