【 练 习 题. 七 】 (凑十法)
8 + 6 = 5 + 6 = 6 + 7 = 9 + 4 = 7 + 6 = 9 + 5 = 4 + 7 = 5 + 6 = 5 + 9 = 5 + 7 = 7 + 9 = 7 + 8 = 5 + 7 = 8 + 7 = 9 + 5 =
【 练 习 题. 八 】 (凑十法)
15 - 6 = 14 - 5 = 13 - 4 =
12 - 3 =
17 - 8 =
15 - 7 =
13 - 5 =
16 - 9 =
11 - 2 = 18 - 9 = 17 - 9 = 12 - 4 = 15 - 8 = 16 - 7 = 16 - 8 = 14 - 6 = 11 - 3 = 14 - 7 =
13 - 6 = 11 - 4 = 12 - 5 =
15 - 9 =
12 - 6 =
13 - 8 =
13 - 9 =
12 - 9 =
14 - 8 = 11 - 5 = 12 - 7 = 12 - 8 = 11 - 8 = 13 - 7 14 - 9 11 - 6 11 - 7 11 - 9 = = = = =
【 练 习 题. 九 】 (凑十法)
1. 拆小数,凑大数,凑成10,再相加 。
9 + 8 = 9 + 7 = 9 + 6 =
9 + 5 =
9 + 2 =
8 + 5 =
7 + 6 =
6 + 5 =
9 + 4 = 8 + 7 = 8 + 4 = 7 + 5 = 9 + 3 8 + 6 8 + 3 7 + 4 = = = =
【 练 习 题. 十 】 (凑十法)
2. 拆大数,凑小数,凑成10,再相加 。
8 + 9 = 7 + 9 = 6 + 9 = 5 + 9 = 2 + 9 = 5 + 8 = 6 + 7 = 5 + 6 = 3.
9 + 9 =
6 + 6 = 4 + 9 = 7 + 8 = 4 + 8 = 5 + 7 = 8 + 8 = 3 + 9 6 + 8 3 + 8 4 + 7 7 + 7 = = = = =
小学一年级数学上册,凑十法破十法借十法练习题集
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