分数かけ算①
次の計算をしましょう。
①
3
1
×
8
3
= ②
11
2
×
3
1
= ③
7
2
×
8
5
=
④
5
7
×
5
4
= ⑤
10
7
×
7
5
= ⑥
5
1
×
5
3
=
⑦
2
1
×
8
3
= ⑧
8
5
×
3
2
= ⑨
5
2
×
2
1
=
⑩ 7 × 4 = ⑪ 2 × 1 = ⑫ 5 × 5 =
⑩
13 × 5 = ⑪ 7 × 5 = ⑫ 9 × 6 =
⑬
3
2
×
6
5
= ⑭
2
1
×
4
1
= ⑮
9
2
×
9
4
=
分数かけ算②
次の計算をしましょう。
①
2
1
×
8
5
= ②
8
1
×
4
1
= ③
5
2
×
5
1
=
④
8
7
×
10
9
= ⑤
4
7
×
6
7
= ⑥
5
4
×
4
1
=
⑦
9
2
×
8
7
= ⑧
6
1
×
13
2
= ⑨
6
1
×
7
6
=
⑩ 8 × 5 = ⑪ 2 × 7 = ⑫ 5 × 3 =
⑩
9 × 8 = ⑪ 3 × 8 = ⑫ 11 × 4 =
⑬
14
7
×
6
5
= ⑭
4
1
×
7
4
= ⑮
9
8
×
5
4
=
分数かけ算③
次の計算をしましょう。
① 6 ×
3
1
= ② 9 ×
4
3
= ③ 5 ×
6
5
=
④ 2 ×
7
5
= ⑤ 3 ×
9
1
= ⑥ 11×
6
5
=
⑦ 10 ×
3
1
= ⑧ 2 ×
15
2
= ⑨ 3 ×
5
4
=
⑩ 7 × 5 = ⑪ 2 × 6 = ⑫ 5
× 7 =
⑩
9 × 5 = ⑪ 3 × 6 = ⑫ 8 × 7 =
⑬
12
7
× 5 = ⑭
4
9
× 6 = ⑮
7
8
× 4 =
分数かけ算④
次の計算をしましょう。
①
4
1
×
6
1
= ②
8
3
×
4
3
= ③
7
2
×
6
1
=
1 1 1
④
9
7
×
4
3
= ⑤
4
1
×
6
5
= ⑥
9
2
×
7
1
=
1 1 1
⑦
9
5
×
9
7
= ⑧
5
1
×
10
7
= ⑨
4
1
×
8
3
=
1 1 2 1 3 1
⑩1 8 ×1 1 = ⑪2 2 ×2 5 = ⑫1 7 ×2 3 =
⑩
11 × 3 = ⑪ 7 × 9 = ⑫ 13 × 7 =
1 1 2 2 1 2
⑬
12
5
×
7
5
= ⑭
5
1
×
9
4
= ⑮
5
2
×
5
1
=
1 1 2 2 2 2
分数かけ算①
次の計算をしましょう。
こたえ
①
3
1
×
8
3
= ②
11
2
×
3
1
= ③
7
2
×
8
5
=
8
1
33
2
28
5
④
5
7
×
5
4
= ⑤
10
7
×
7
5
= ⑥
5
1
×
5
3
=
25
28
2
1
25
3
⑦
2
1
×
8
3
= ⑧
8
5
×
3
2
= ⑨
5
2
×
2
1
=
16
3
12
5
5
1
⑩ 7 × 4 = 28 ⑪ 2 × 1 = 2 ⑫ 5 × 5 = 25
⑩
13 × 5 = 65 ⑪ 7 × 5 = 35 ⑫ 9 × 6 = 54
⑬
3
2
×
6
5
= ⑭
2
1
×
4
1
= ⑮
9
2
×
9
4
=
9
5
8
1
81
8
分数かけ算②
次の計算をしましょう。
こたえ
①
2
1
×
8
5
= ②
8
1
×
4
1
= ③
5
2
×
5
1
=
16
5
32
1
25
2
④
8
7
×
10
9
= ⑤
4
7
×
6
7
= ⑥
5
4
×
4
1
=
80
63
24
49
5
1
⑦
9
2
×
8
7
= ⑧
6
1
×
13
2
= ⑨
6
1
×
7
6
=
36
7
39
1
7
1
⑩ 8 × 5 = 5 ⑪ 2 × 7 = 7 ⑫ 5 × 3 = 15
⑩
9 × 8 = 9 ⑪ 3 × 8 = 12 ⑫ 11 × 4 = 44
⑬
14
7
×
6
5
= ⑭
4
1
×
7
4
= ⑮
9
8
×
5
4
=
84
35
7
1
45
32
分数かけ算③
次の計算をしましょう。
こたえ
① 6 ×
3
1
= ② 9 ×
4
3
= ③ 5 ×
6
5
=
2
4
27
6
25
④ 2 ×
7
5
= ⑤ 3 ×
9
1
= ⑥ 11×
6
5
=
7
10
9
3
6
55
⑦ 10 ×
3
1
= ⑧ 2 ×
15
2
= ⑨ 3 ×
5
4
=
3
10
15
4
5
12
⑩ 7 × 5 = 35 ⑪ 2 × 6 = 12 ⑫ 5
× 7 = 35
⑩
9 × 5 = 9 ⑪ 3 × 6 = 3 ⑫ 8 × 7 = 8
⑬
12
7
× 5 = ⑭
4
9
× 6 = ⑮
7
8
× 4 =
12
35
4
54
7
32
分数かけ算④
次の計算をしましょう。
こたえ
①
4
1
×
6
1
= ②
8
3
×
4
3
= ③
7
2
×
6
1
=
1 1 1
24
5
32
33
14
3
④
9
7
×
4
3
= ⑤
4
1
×
6
5
= ⑥
9
2
×
7
1
=
1 1 1
36
49
24
11
63
16
⑦
9
5
×
9
7
= ⑧
5
1
×
10
7
= ⑨
4
1
×
8
3
=
1 1 2 1 3 1
81
224
50
187
32
143
⑩1 8 ×1 1 = 23 ⑪2 2 ×2 5 = 368 ⑫1 7 ×2 3 = 340
⑩
11 × 3 = ⑪ 7 × 9 = ⑫ 13 × 7 =
1 1 2 2 1 2
33 63 91
⑬
12
5
×
7
5
= ⑭
5
1
×
9
4
= ⑮
5
2
×
5
1
=
1 1
717 2 2
45242 2 2
25132