78 × 24 = 31 × 98 = 642 ÷ 6 =
78 31
× 24 × 98 ———
——— 54 × 50 = 54 × 50 ——— 8 + 0.5 = 8.0 + 0.5 ——— 48 × 63 = ——— 59 × 59 = 59 × 59 ——— 6.4 - 1.5 = 6.4 - 1.5 ——— 30 × 28 = 6) 642 134 ÷ 2
——— 2) 134 6.1 + 2.5 =
6.1
+ 2.5
——— 248 ÷ 2
=
=
48 30
× 63 × 28 ———
——— ——— 2) 248
20 × 32 = 20 × 32 ——— 6 + 0.4 = 6.0 + 0.4 ——— 56 × 42 = 56 94 × 79 = 94 × 79 ——— 9.6 - 2.4 = 9.6 - 2.4 ——— 16 × 15 = 16 232 ÷ 4
——— 4) 232 4.4 + 1.3 =
4.4
+ 1.3
——— 721 ÷ 7
=
=
× 42 × 15 ———
——— ——— 7) 721
68 × 33 = 18 × 48 = 268 ÷ 4 =
68 × 33 ——— 5 + 0.6 = 5.0 + 0.6 ——— 59 × 97 = 59 × 97 18 × 48 ——— 7.9 - 1.2 = 7.9 - 1.2 ——— 41 × 94 = 41 × 94
——— 4) 268 1.3 + 4.9 =
1.3
+ 4.9
——— 218 ÷ 2
———
=
——— ——— 2) 218
27 × 47 = 80 × 14 = 675 ÷ 9 =
27 × 47 ——— 4 - 0.7 = 4.0 - 0.7 ——— 17 × 38 = 17 × 38 ——— 80 × 14 ——— 5.6 - 5.3 = 5.6 - 5.3 ——— 92 × 49 = 92 × 49 ———
——— 9) 675 2.1 + 4.5 =
2.1
+ 4.5
——— 460 ÷ 4
——— 4) 460
=
86 × 35 = 45 × 91 = 413 ÷ 7 =
86 45
× 35 × 91 ———
——— 9 + 0.4 = 9.0 + 0.4 ——— 86 × 95 = 86 × 95 ——— 19 × 18 = ——— 5.4 - 2.8 = 5.4 - 2.8 ——— 59 × 68 = 59 × 68 ——— 85 × 37 = 7) 413 3.2 + 3.9 =
3.2
+ 3.9
——— 232 ÷ 2
——— 2) 232 736 ÷ 8
=
=
19 85
× 18 × 37 ———
——— ——— 8) 736
6 - 0.6 = 6.0 - 0.6 ——— 28 × 41 = 28 × 41 ——— 67 × 66 = 67 8.2 - 5.6 = 8.2 - 5.6 ——— 36 × 55 = 36 × 55 ——— 63 × 79 = 63 5.2 + 3.7 =
5.2
+ 3.7
——— 700 ÷ 7
——— 7) 700 651 ÷ 7
=
=
× 66 × 79 ———
——— ——— 7) 651
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