2以内加减法.doc

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2以内加减法

20 以内加减法练习(一)18- 5 = 16-10 = 7 +10 = 4 - 0 = 10-10 =0 +16 = 13+ 4 =3 +12 =12- 0 = 3 + 5 =2 +14 =14- 3 =11+ 1 = 3 + 4 = 12+ 5 =15- 3 =12+ 3 = 2 + 6 = 10+ 7 =9 - 9 =17-11 =5 - 4 = 9 - 0 =18-12 = 9 - 0 =2 + 2 =6 - 5 =0 + 0 = 11+ 0 =10+ 7 =11-10 =11- 1 =17- 1 =1 +14 = 14+ 1 =9 - 8 = 17-12 =19- 5 = 1 +12 =4 +12 =13+ 6 = 9 - 4 = 18+ 1 = 17-17 =17-15 =15- 0 =13-12 = 15-13 = 0 +17 = 16+ 1 =11+ 4 = 3 - 1 =13-10 = 0 + 1 =12+ 4 =16+ 2 =14+ 2 = 10+ 8 = 11+ 5 = 17-10 = 1 +17 = 7 - 3 =11+ 1 =11+ 2 =11+ 5 =17- 5 = 16- 1 = 6 +10 = 10+ 2 =13+ 2 =4 + 1 = 4 +12 =14+ 1 =7 - 2 = 10+ 4 = 13- 2 = 15+ 4 = 19-14 = 16- 4 = 4 +12 = 13- = 15+ = 19- = 16- = +12 = 20 以内加减法练习(二)16- 1 = 15- 3 =19- 1 = 2 + 6 =3 + 4 =2 - 2 =13- 3 = 18-11 = 6 - 3 = 7 - 1 = 11-10 =0 +11 = 17-13 = 17- 3 = 8 + 0 = 5 - 3 = 14- 2 = 17-14 = 19-15 = 1 + 3 = 19-13 = 6 - 5 = 2 + 6 = 18-13 = 16-14 = 7 - 3 = 8 - 6 =17+ 0 =13+ 1 = 0 +10 = 11+ 3 =5 +10 = 2 + 2 = 1 - 0 = 17- 1 =9 - 8 =5 - 3 =16-14 = 18- 2 =5 +11 = 4 - 3 =13+ 1 =19-18 =12+ 7 =14-12 =18- 2 =6 - 0 = 0 +18 =2 - 2 =17+ 0 =5 +14 = 6 - 1 = 5 +10 = 5 - 5 = 2 - 2 =3 +11 = 9 - 5 = 13-10 =7 - 3 = 9 - 8 =0 + 4 = 3 +12 = 11+ 2 = 10+ 5 =3 - 0 =1 +14 = 11+ 1 = 2 +11 = 3 + 1 =11- 1 =5 + 4 = 7 +11 = 10+ 3 = 1 + 7 = 11+ 0 = 2 + 6 = 12-10 = 19-11 = 10+ 3 = 19- 8 = 5+ 6 = 12- = 19- = 10+ = 19- = 20 以内加减法练习(三)5 - 2 = 14+ 5 = 10+ 8 = 1 + 8 = 17-11 =15-11 =8 - 6 = 8 - 7 = 11+ 3 = 17- 4 = 19- 5 =12-11 = 16-16 = 18-11 = 1 + 7 =15-11 =6 - 3 = 6 - 6 = 12+ 3 = 8 - 0 = 7 - 6 = 1 + 3 = 2 - 1 = 12+ 6 = 11-10 = 7 - 4 =15- 2 =2 +17 = 5 +12 =7 +11 = 10+ 1 = 3 + 3 = 1 + 8 = 18- 7 = 12+ 3 = 18-16 = 13- 1 = 0 +19 = 2 +11 = 1 + 5 =12+ 6 = 2 +10 = 9 - 1 = 9 - 3 = 18-15 =7 - 6 = 16-14 = 16-13 = 5 +14 = 13- 2 =16-12 = 18- 7 = 2 +15 = 18- 4 = 1 +13 = 0 +19 = 18-13 = 18- 6 = 19-15 = 9 - 2 = 7 - 3 = 15+ 3 = 10+ 9 = 8 +10 = 9 - 5 = 8 - 2 = 19- 3 = 5 - 2 = 3 +11 = 14+ 4 = 7 + 2 = 4 + 5 = 19- 5 = 19-10 = 14- 4 = 12+ 1 = 6 - 0 = 9 - 1 = 8 - 0 = 3 - 3 =12+ = 6 - = 9 - = 8 - = -

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