Some, subtraia e compare


(1) Calcule.

73 + 4 = 77 68 - 8 = ____ 61 + 5 = ____ 52 - 7 = ____
37 - 6 = ____ 42 + 9 = ____ 87 + 3 = ____ 60 - 2 = ____
47 + 5 = ____ 34 - 2 = ____ 44 + 6 = ____ 26 - 8 = ____
53 - 7 = ____ 78 + 3 = ____ 67 - 4 = ____ 64 + 0 = ____
51 - 6 = ____ 20 + 1 = ____ 22 + 3 = ____ 38 - 9 = ____
71 + 8 = ____ 39 - 4 = ____ 49 + 2 = ____ 56 - 5 = ____
83 - 8 = ____ 32 + 3 = ____ 50 + 0 = ____ 30 - 6 = ____
89 + 7 = ____ 86 - 9 = ____ 35 + 5 = ____ 81 - 4 = ____

(2) Preencha a tabela.

+ 4 2 5
23 27
72
15
48
78
28
- 1 4 3
52 51
26
53
87
78
67
+ 8 7 1
52
46
17
63
60
37

(3) Coloque <, > ou =

56 + 34 85 83 10 + 44 84 - 14 17 39 + 45 19
92 12 + 24 75 - 52 37 19 20 + 37 93 - 17 60
1 79 - 29 77 - 11 48 98 28 + 21 70 - 35 40
76 - 3 27 95 15 + 55 73 - 11 32 16 72 - 43
87 16 + 18 24 - 33 5 13 89 - 32 71 - 14 31

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