内容正文:
单元五 第五单元计算易错专练
2 年级 上 SJ
1. 直接写出得数。
21 + 4 = 55 - 45 = 37 + 20 = 20 ÷ 4 =
18 - 4 = 41 + 6 = 53 - 3 = 30 ÷ 6 =
37 + 6 = 74 - 50 = 35 + 9 = 8 ÷ 2 =
12 - 11 = 38 + 7 = 15 - 15 = 6 × 4 =
2 × 4 = 24 ÷ 6 = 3 × 5 = 2 × 3 =
25 ÷ 5 = 3 × 4 = 6 ÷ 6 = 15 ÷ 3 =
6 × 2 = 18 ÷ 3 = 5 × 4 = 6 × 3 =
10 ÷ 5 = 5 × 6 = 9 ÷ 3 = 12 ÷ 3 =
16 ÷ 4 = 36 ÷ 6 = 12 ÷ 6 = 4 × 6 =
2. 在 里填上“ > ”“ < ”或“ = ”。
4 米 100 厘米 5 米 50 厘米 100 厘米 - 20 厘米 8 米
30 厘米 3 米 100 米 1 厘米 45 厘米 + 50 厘米 1 米
35 + 26 60 1 × 5 10 ÷ 2 2 × 4 18 ÷ 3
3. 在 里填上合适的数。
5 × = 20 8 ÷ = 2 6 × = 24
÷ 4 = 4 3 × = 18 2 × = 10
18 ÷ = 3 30 ÷ = 6 × 5 = 30
12 ÷ = ÷ = 4 ÷ 6 =
54
单元六 第 1 课时 7 的乘法口诀
2 年级 上 SJ
7 × 3 = 3 × 6 = 3 × 4 = 5 × 7 - 10 =
4 × 6 = 7 × 1 = 6 × 5 = 4 × 3 + 7 =
7 × 2 = 3 × 7 = 5 × 7 = 2 × 7 + 7 =
1 × 7 = 7 × 4 = 7 × 6 = 4 × 7 - 8 =
7 × 7 = 4 × 4 = 5 × 6 = 6 × 7 + 4 =
3 × 2 = 1 × 3 = 6 × 3 = 7 × 7 - 20 =
7 × 5 = 2 × 7 = 3 × 5 = 7 × 5 - 6 =
4 × 3 = 6 × 6 = 4 × 7 = 3 × 7 - 7 =
2 × 4 = 6 × 7 = 2 × 2 = 5 × 6 + 7 =
3 × 3 = 2 × 5 = 6 × 2 = 7 × 2 - 9 =
27 + 34 - 58 = 15 + 16 - 22 = 37 - 19 + 43 =
18 + 22 + 6 = 47 - 25 + 12 = 53 + 28 - 49 =
64
单元六 第 2 课时 用 7 的乘法口诀求商
2 年级 上 SJ
5 × 7 = 3 × 7 = 24 ÷ 4 = 7 × 7 =
6 × 2 = 36 ÷ 6 = 30 ÷ 6 = 12 ÷ 2 =
14 ÷ 2 = 7 ÷ 1 = 35 ÷ 7 = 42 ÷ 7 =
21 ÷ 7 = 42 ÷ 6 = 49 ÷ 7 = 7 ÷ 7 =
28 ÷ 7 = 15 ÷ 3 = 30 ÷ 5 = 28 ÷ 4 =
6 ÷ 6 = 6 × 6 = 18 ÷ 6 = 21 ÷ 3 =
8 ÷ 2 = 20 ÷ 5 = 25 ÷ 5 = 35 ÷ 5 =
4 ÷ 1 = 6 ÷ 3 = 12 ÷ 3 = 14 ÷ 7 =
12 ÷ 6 = 16 ÷ 4 = 18 ÷ 3 = 7 × 4 =
9 ÷ 3 = 4 ÷ 2 = 10 ÷ 2 = 6 × 7 =
34 - 18 + 25 = 41 - 29 + 14 = 37 - 28 + 15 =
8 + 26 + 37 = 51 - 18 - 22 = 63 - 17 - 35 =
74
单元六 第 3 课时 练习十一(1)
2 年级 上 SJ
6 × 4 = 7 × 1 = 7 × 5 = 30 ÷ 5 =
4 × 5 = 6 × 2 = 7 × 6 = 5 × 4 =
49 ÷ 7 = 3 × 5 = 30 ÷ 6 = 2 × 3 =
2 × 7 = 21 ÷ 3 = 6 × 7 = 3 × 1 =
6 × 1 = 4 × 4 = 3 × 6 = 12 ÷ 6 =
4 × 7 = 28 ÷ 4 = 1 × 7 = 5 × 5 =
12 ÷ 3 = 1 × 5 = 35 ÷ 5 = 6 × 6 =
15 ÷ 3 + 6 = 4 × 7 - 11 = 3 × 7 - 8 = 2 × 7 - 7 =
7 × 7 - 7 = 14 ÷ 2 + 9 = 21 ÷ 7 + 7 = 4 × 7 + 8 =
28 ÷ 7 + 8 = 7 × 5 + 5 = 4