文档内容
以内进位减法练习题(凑十法)
20
进位加法(凑十法口诀:看大数,分小数,凑成十,算得数。)
5 + 9 = 6 + 9 = 4 + 9 =
9 + 9 = 7 + 9 = 3 + 9 =
8 + 9 = 2 + 9 = 8 + 8 =
6 + 8 = 3 + 8 = 7 + 7 =
7 + 8 = 8 + 9 = 4 + 8 =
7 + 9 = 5 + 8 = 7 + 8 =
16 + 7 = 6 + 9 = 6 + 6 =
4 + 7 = 5 + 6 = 6 + 8 =
5 + 7 = 6 + 7 = 5 + 9 =
5 + 8 = 4 + 9 = 3 + 9 =
5 + 7 = 4 + 8 = 3 + 8 =
5 + 6 = 4 + 7 = 2 + 9 =
26 + 9 = 3 + 9 = 8 + 9 =
5 + 9 = 2 + 9 = 9 + 9 =
4 + 9 = 7 + 9 = 8 + 8 =
8 + 7 = 8 + 5 = 9 + 7 =
8 + 8 = 8 + 5 = 9 + 7 =
9 + 8 = 8 + 4 = 8 + 7 =
38 + 6 = 8 + 3 = 7 + 7 =
7 + 6 = 7 + 4 = 7 + 5 =
6 + 5 = 7 + 6 = 8 + 7 =
9 + 6 = 6 + 6 = 8 + 5 =
8 + 6 = 6 + 5 = 9 + 5 =
6 + 5 = 9 + 8 = 9 + 7 =
49 + 4 = 9 + 3 = 9 + 6 =
8 + 4 = 8 + 3 = 9 + 5 =
7 + 4 = 7 + 7 = 9 + 7 =
8 + 5 = 7 + 6 = 6 + 6 =
6 + 5 = 7 + 5 = 9 + 4 =
8 + 4 = 7 + 4 = 9 + 2 =
59 + 3 = 8 + 3 = 9 + 5 =
7 + 6 = 7 + 4 = 7 + 5 =
9 + 4 = 8 + 4 = 7 + 4 =
9 + 3 = 8 + 3 = 9 + 2 =
8 + 7 = 9 + 8 = 8 + 6 =
8 + 5 = 8 + 4 = 8 + 3 =
69 + 7 = 8 + 7 = 7 + 7 =
7 + 6 = 7 + 4 = 7 + 5 =
9 + 6 = 8 + 6 = 7 + 6 =
6 + 6 = 6 + 5 = 9 + 5 =
8 + 5 = 7 + 5 = 6 + 5 =
8 + 7 = 9 + 8 = 8 + 6 =
79 + 4 = 8 + 4 = 7 + 4 =
9 + 3 = 8 + 3 = 9 + 2 =
9 + 6 = 9 + 5 = 9 + 4 =
8以内退位减法练习题(破十法)
20
退位减法(破十法口诀:看大数,分出10,减小数,加剩数。)
18 — 9 = 17 — 9 = 16 — 9 =
15 — 9 = 14 — 9 = 13 — 9 =
12 — 9 = 11 — 9 = 17 — 8 =
16 — 8 = 15 — 8 = 14 — 8 =
13 — 8 = 12 — 8 = 11 — 8 =
916 — 7= 15 — 7 = 14 — 7 =
13 — 7 = 12 — 7 = 11 — 7 =
15 — 6 = 14 — 6 = 13 — 6 =
12 — 6 = 11 — 6 = 14 — 5 =
13 — 5 = 12 — 5 = 11 — 5 =
1013 — 4 = 12 — 4 = 11 — 4 =
12 — 3 = 11 — 3 = 11 — 2 =
13 — 5 = 12 — 5 = 11 — 5 =
13 — 4 = 12 — 4 = 11 — 4 =
16 — 7= 15 — 7 = 14 — 7 =
1118 — 9 = 17 — 9 = 16 — 9 =
15 — 9 = 14 — 9 = 13 — 9 =
13 — 7 = 12 — 7 = 11 — 7 =
12 — 9 = 11 — 9 = 17 — 8 =
16 — 8 = 15 — 8 = 14 — 8 =
1213 — 4 = 12 — 4 = 11 — 4 =
12 — 3 = 11 — 3 = 11 — 2 =
13 — 5 = 12 — 5 = 11 — 5 =
13 — 8 = 12 — 8 = 11 — 8 =
16 — 7= 15 — 7 = 14 — 7 =
1312 — 6 = 11 — 6 = 14 — 5 =
15 — 9 = 14 — 9 = 13 — 9 =
13 — 4 = 12 — 4 = 11 — 4 =
12 — 3 = 11 — 3 = 11 — 2 =
13 — 5 = 12 — 5 = 11 — 5 =
1413 — 8 = 12 — 8 = 11 — 8 =
16 — 7= 15 — 7 = 14 — 7 =
12 — 6 = 11 — 6 = 14 — 5 =
15 — 9 = 14 — 9 = 13 — 9 =
13 — 4 = 12 — 4 = 11 — 4 =
1516 — 7= 15 — 7 = 14 — 7 =
18 — 9 = 17 — 9 = 16 — 9 =
15 — 9 = 14 — 9 = 13 — 9 =
13 — 7 = 12 — 7 = 11 — 7 =
12 — 9 = 11 — 9 = 17 — 8 =
1616 — 8 = 15 — 8 = 14 — 8 =
13 — 4 = 12 — 4 = 11 — 4 =
16 — 7= 15 — 7 = 14 — 7 =
18 — 9 = 17 — 9 = 16 — 9 =
15 — 9 = 14 — 9 = 13 — 9 =
1713 — 7 = 12 — 7 = 11 — 7 =
12 — 9 = 11 — 9 = 17 — 8 =
16 — 8 = 15 — 8 = 14 — 8 =
13 — 4 = 12 — 4 = 11 — 4 =
12 — 3 = 11 — 3 = 11 — 2 =
1813 — 5 = 12 — 5 = 11 — 5 =
13 — 8 = 12 — 8 = 11 — 8 =
16 — 7= 15 — 7 = 14 — 7 =
12 — 6 = 11 — 6 = 14 — 5 =
15 — 9 = 14 — 9 = 13 — 9 =
1913 — 4 = 12 — 4 = 11 — 4 =
12 — 3 = 11 — 3 = 11 — 2 =
13 — 5 = 12 — 5 = 11 — 5 =
13 — 8 = 12 — 8 = 11 — 8 =
16 — 7= 15 — 7 = 14 — 7 =
2012 — 6 = 11 — 6 = 14 — 5 =
15 — 9 = 14 — 9 = 13 — 9 =
13 — 4 = 12 — 4 = 11 — 4 =
16 — 7= 15 — 7 = 14 — 7 =
18 — 9 = 17 — 9 = 16 — 9 =
2115 — 9 = 14 — 9 = 13 — 9 =
13 — 7 = 12 — 7 = 11 — 7 =
12 — 9 = 11 — 9 = 17 — 8 =
16 — 8 = 15 — 8 = 14 — 8 =
13 — 4 = 12 — 4 = 11 — 4 =
2216 — 7= 15 — 7 = 14 — 7 =
18 — 9 = 17 — 9 = 16 — 9 =
15 — 9 = 14 — 9 = 13 — 9 =
13 — 7 = 12 — 7 = 11 — 7 =
12 — 9 = 11 — 9 = 17 — 8 =
2316 — 8 = 15 — 8 = 14 — 8 =
13 — 4 = 12 — 4 = 11 — 4 =
12 — 3 = 11 — 3 = 11 — 2 =
13 — 5 = 12 — 5 = 11 — 5 =
13 — 8 = 12 — 8 = 11 — 8 =
2416 — 7= 15 — 7 = 14 — 7 =
12 — 6 = 11 — 6 = 14 — 5 =
15 — 9 = 14 — 9 = 13 — 9 =
13 — 4 = 12 — 4 = 11 — 4 =
12 — 3 = 11 — 3 = 11 — 2 =
2513 — 5 = 12 — 5 = 11 — 5 =
13 — 8 = 12 — 8 = 11 — 8 =
16 — 7= 15 — 7 = 14 — 7 =
12 — 6 = 11 — 6 = 14 — 5 =
15 — 9 = 14 — 9 = 13 — 9 =
2613 — 4 = 12 — 4 = 11 — 4 =
16 — 7= 15 — 7 = 14 — 7 =
18 — 9 = 17 — 9 = 16 — 9 =
15 — 9 = 14 — 9 = 13 — 9 =
13 — 7 = 12 — 7 = 11 — 7 =
2712 — 9 = 11 — 9 = 17 — 8 =
16 — 8 = 15 — 8 = 14 — 8 =
28