1. 直接写出得数。(16分)
$\begin{array}{llll}$
6 ÷ 3 = & 12 ÷ 2 = & 5 × 4 = & 7 + 8 = \\
18 - 6 = & 5 × 3 = & 24 ÷ 4 = & 4 × 3 = \\
30 ÷ 5 = & 6 × 2 = & 16 - 4 = & 4 ÷ 2 = \\
6 × 4 + 7 = & 5 × 5 - 4 = & 3 × 6 - 8 = & 4 × 4 + 12 = \\
$\end{array}$
$\begin{array}{llll}$
6 ÷ 3 = & 12 ÷ 2 = & 5 × 4 = & 7 + 8 = \\
18 - 6 = & 5 × 3 = & 24 ÷ 4 = & 4 × 3 = \\
30 ÷ 5 = & 6 × 2 = & 16 - 4 = & 4 ÷ 2 = \\
6 × 4 + 7 = & 5 × 5 - 4 = & 3 × 6 - 8 = & 4 × 4 + 12 = \\
$\end{array}$
答案
1. 2 6 20 15 12 15 6 12 6 12 12 2 31 21 10 28
2. 看图列式计算。(16分)
(1)

乘法口诀:
乘法算式:
除法算式:
(2)

乘法口诀:
乘法算式:
除法算式:
(3)

□ ◯ □ ◯ □ = □ (个)
(4)

□ ◯ □ ◯ □ = □ (条)
(1)
乘法口诀:
三五十五
乘法算式:
5×3=15
除法算式:
15÷3=5 15÷5=3
(2)
乘法口诀:
四六二十四
乘法算式:
6×4=24
除法算式:
24÷4=6 24÷6=4
(3)
□ ◯ □ ◯ □ = □ (个)
(4)
□ ◯ □ ◯ □ = □ (条)
答案
2.
(1)三五十五 5×3=15 15÷3=5 15÷5=3
(2)四六二十四 6×4=24 24÷4=6 24÷6=4
(3)6×2+4=16
(4)3×4+6=18或3×5+3=18
(1)三五十五 5×3=15 15÷3=5 15÷5=3
(2)四六二十四 6×4=24 24÷4=6 24÷6=4
(3)6×2+4=16
(4)3×4+6=18或3×5+3=18
四、根据“三四十二”画图。(共6分)

答案
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