人教版小学一年级数学上册凑十法破十法借十法练习题-推荐

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【 练 习 题. 一 】 (凑 十 法)

9 + 6 = 9 + 5 = 9 + 4 =

9 + 3 =

9 + 8 =

8 + 7 =

8 + 5 =

9 + 2 = 9 + 9 = 8 + 9 = 8 + 4 = 9 + 7 = 8 + 8 = 8 + 6 = 8 + 3 =

7 + 9 = 7 + 8 = 7 + 7 =

7 + 6 =

6 + 9 =

6 + 6 =

5 + 8 =

7 + 4 = 6 + 8 = 6 + 5 = 5 + 7 = 7 + 5 = 6 + 7 = 5 + 9 = 5 + 6 = 4 + 9 = 4 + 8 = 4 + 7 =

3 + 9 = 3 + 8 = 2 + 9 = 18 – 9 = 17 4=

14 – 9 = 13 3 =

17 3 = – 8 = 16

13 – 2 =

– 8 = 12

【 练 习 题. 二 】 (破十法)

– 9 = 16 – 9 = 15 – 9 = 11 – 9 = 12 – 9 = 11 – 9 = 12 – 8 = 15 – 8 = 14 – 8 = 11 – 8 = 11 – 8 = 16 – 7 = 11 – – –

15 – 7 = 14 – 7 = 13 – 7 = 12 – 7 = 11 – 5 =

11 –– 4=

7 = 15 – 6 = 14 – 6 = 13 – 6 = 12

12–– 4=

6 = 11 – 6 = 14 – 5 = 13 –

【 练 习 题. 三 】 (20以内退位减法)

破十法口诀:看大数,分出10;减小数,加剩数。

15 - 6 = 12 - 5 = 17 - 9 =

13 - 4 = 11 - 5 = 14 - 7 = 5 = 13

16 - 8 = 15 - 9 = 18 - 9 =

12 - 7 = 14 - 9 = 13 - 7 =

12 - 9 =

16 - 9 =

11 - 6 =

13 - 9 =

1. 拆小数,凑大数

9 + 9 = 11 - 3 = 15 - 8 = 13 - 4 = 17 - 8 =

【 练 习 题. 四 】 9 + 8 = 12 - 4 = 13 - 8 = 14 - 5 = 14 - 6= (凑十法)

9 + 7 =


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