1. 直接写出得数。
29 + 37 = 29 + 54 = 34 - 18 = 46 + 34 - 19 =
77 - 34 = 61 - 49 = 43 + 42 = 90 - 36 - 27 =
80 - 39 = 82 - 50 = 30×2 = 73 - 25 + 48 =
26 + 54 = 50÷5 = 16 + 76 = 42 + 47 - 35 =
88 - 27 = 73 + 26 = 32 - 13 = 18 + 49 + 26 =
11×8 = 70 - 35 = 96 - 70 = 98 - 9 - 27 =
88÷4 = 37 + 58 = 90 - 34 = 22×3÷6 =
54 + 29 = 30×3 = 62÷2 = 55÷5 + 39 =
29 + 37 = 29 + 54 = 34 - 18 = 46 + 34 - 19 =
77 - 34 = 61 - 49 = 43 + 42 = 90 - 36 - 27 =
80 - 39 = 82 - 50 = 30×2 = 73 - 25 + 48 =
26 + 54 = 50÷5 = 16 + 76 = 42 + 47 - 35 =
88 - 27 = 73 + 26 = 32 - 13 = 18 + 49 + 26 =
11×8 = 70 - 35 = 96 - 70 = 98 - 9 - 27 =
88÷4 = 37 + 58 = 90 - 34 = 22×3÷6 =
54 + 29 = 30×3 = 62÷2 = 55÷5 + 39 =
答案
1. 66 83 16 61
43 12 85 27
41 32 60 96
80 10 92 54
61 99 19 93
88 35 26 62
22 95 56 11
83 90 31 50
43 12 85 27
41 32 60 96
80 10 92 54
61 99 19 93
88 35 26 62
22 95 56 11
83 90 31 50
2. 在$◯$里填“$>$”“$<$”或“$=$”。
55÷5$◯$60÷6 11×6$◯$89 - 24 45 - 27$◯$14×2
7×11$◯$10×7 51 - 19$◯$28 + 31 88÷8$◯$44÷4
55÷5$◯$60÷6 11×6$◯$89 - 24 45 - 27$◯$14×2
7×11$◯$10×7 51 - 19$◯$28 + 31 88÷8$◯$44÷4
答案
2. > > <
> < =
> < =
3. (
28$>$(
(
4
)里最大能填几?28$>$(
4
)×6 (6
)×9$<$57 37$>$(7
)×5(
8
)×8$<$71 33$>$(4
)×7 (7
)×6$<$45答案
3. 4 6 7
8 4 7
8 4 7
把一根绳子对折3次后,量出每段长11厘米,这根绳子原来长多少厘米?
答案
思维提升
2×2×2=8(段) 11×8=88(厘米)
2×2×2=8(段) 11×8=88(厘米)
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