Some, subtraia e compare


(1) Calcule.

23 + 6 = 29 84 - 2 = ____ 36 + 3 = ____ 43 - 1 = ____
53 - 7 = ____ 73 + 5 = ____ 26 + 4 = ____ 72 - 8 = ____
78 + 6 = ____ 47 - 0 = ____ 50 + 3 = ____ 90 - 9 = ____
58 - 1 = ____ 64 + 2 = ____ 49 - 4 = ____ 30 + 7 = ____
70 - 7 = ____ 65 + 4 = ____ 60 + 3 = ____ 62 - 1 = ____
32 + 6 = ____ 33 - 2 = ____ 75 + 5 = ____ 35 - 8 = ____
61 - 8 = ____ 68 + 6 = ____ 34 + 2 = ____ 38 - 4 = ____
51 + 1 = ____ 25 - 0 = ____ 63 + 3 = ____ 44 - 5 = ____

(2) Preencha a tabela.

+ 4 9 5
89 93
20
51
16
64
39
- 3 6 1
32 29
15
39
72
46
37
+ 7 6 3
45
65
27
42
76
29

(3) Coloque <, > ou =

39 + 38 99 76 17 + 24 72 - 58 35 39 + 11 2
85 40 + 31 90 - 60 33 2 16 + 14 79 - 18 44
12 80 - 46 81 - 6 55 98 10 + 28 95 - 40 36
78 - 8 15 73 22 + 57 88 - 18 31 15 94 - 37
92 20 + 54 26 - 53 17 20 75 - 27 70 - 5 29