正負の掛け算割り算・基礎 No.2
1.
次の計算をしなさい。(1) 7 × 6 = (2) 3 × 1 =
(3) (−2) × 8 = (4) (−8) × 2 =
(5) (−9) × 6 = (6) (−5) × 3 =
(7) (−4) × 7 = (8) (−2) × 6 =
(9) 8 × (−2) = (10) 8 × (−1) =
(11) 1 × (−5) = (12) 6 × (−8) =
(13) 4 × (−3) = (14) 1 × (−6) =
(15) (−6) × (−9) = (16) (−7) × (−4) =
(17) (−8) × (−7) = (18) (−5) × (−9) =
(19) (−6) × (−8) = (20) (−4) × (−5) =
2.
次の計算をしなさい。(1) 7 × (−8) = (2) 7 × (−1) =
(3) (−3) × (−1) = (4) 3 × (−9) =
(5) 1 × (−6) = (6) (−9) × 6 =
(7) 8 × (−9) = (8) 9 × 3 =
(9) 5 × (−9) = (10) (−7) × 6 =
(11) 1 × (−9) = (12) 7 × 8 =
(13) 8 × (−5) = (14) (−1) × (−9) =
(15) (−5) × 5 = (16) 6 × (−3) =
(17) 3 × 3 = (18) 2 × 1 =
(19) 1 × 1 = (20) (−7) × (−3) =
3.
次の計算をしなさい。(1) 3 × (−42) = (2) 7 × (−71) =
(3) (−8) × 25 = (4) (−14) × (−2) =
(5) 4 × 2 = (6) 6 × 769 =
(7) (−6) × 814 = (8) (−185) × (−6) =
(9) (−60) × 29 = (10) 69 × 59 =
4.
次の計算をしなさい。(1) (−30) ÷ 6 = (2) (−24) ÷ 6 =
(3) 16 ÷ 8 = (4) 54 ÷ 6 =
(5) 21 ÷ (−3) = (6) 10 ÷ (−5) =
(7) 1 ÷ (−1) = (8) (−10) ÷ 5 =
(9) 42 ÷ (−7) = (10) (−9) ÷ (−9) =
(11) (−63) ÷ (−9) = (12) (−27) ÷ 3 =
(13) (−3) ÷ (−1) = (14) 18 ÷ (−6) =
(15) 35 ÷ 5 = (16) (−3) ÷ 1 =
(17) 56 ÷ (−7) = (18) (−7) ÷ (−7) =
(19) 30 ÷ 5 = (20) 10 ÷ 2 =
5.
次の計算をしなさい。(1) 360 ÷ (−5) = (2) 582 ÷ (−6) =
(3) (−189) ÷ (−7) = (4) 188 ÷ (−2) =
(5) (−135) ÷ (−9) = (6) (−74) ÷ (−2) =
(7) 6935 ÷ 73 = (8) (−5544) ÷ 72 =
(9) (−5824) ÷ (−7) = (10) 165 ÷ (−3) =
6.
次の計算をしなさい。(1) (−2) × (−8) × (−2) = (2) (−3) × (−9) × (−3) =
(3) 4 × (−12) ÷ 4 = (4) (−7) × 16 ÷ 8 =
(5) 4 ÷ 2 × (−4) = (6) 21 ÷ 3 × (−4) =
(7) 120 ÷ (−5) ÷ (−4) = (8) 54 ÷ (−9) ÷ (−2) =
(9) 64 ÷ 2 ÷ (−4) = (10) (−32) ÷ 4 ÷ (−2) =
7.
次の計算をしなさい。(1) (−56) × (−3) ÷ 7 = (2) 64 ÷ (−8) × (−6) =
(3) (−3) × 8 × 9 = (4) (−5) × 8 × (−9) =
(5) (−30) ÷ 5 × (−9) = (6) (−7) × 8 ÷ (−4) =
(7) 9 × 7 × (−2) = (8) (−6) × (−5) × (−7) =
(9) (−28) × (−2) ÷ 7 = (10) 128 ÷ 4 ÷ (−4) =
正負の掛け算割り算・基礎 No.2
1.
次の計算をしなさい。(1) 7 × 6 =
42
(2) 3 × 1 =3
(3) (−2) × 8 =
− 16
(4) (−8) × 2 =− 16
(5) (−9) × 6 =
− 54
(6) (−5) × 3 =− 15
(7) (−4) × 7 =
− 28
(8) (−2) × 6 =− 12
(9) 8 × (−2) =
− 16
(10) 8 × (−1) =− 8
(11) 1 × (−5) =
− 5
(12) 6 × (−8) =− 48
(13) 4 × (−3) =
− 12
(14) 1 × (−6) =− 6
(15) (−6) × (−9) =
54
(16) (−7) × (−4) =28
(17) (−8) × (−7) =
56
(18) (−5) × (−9) =45
(19) (−6) × (−8) =
48
(20) (−4) × (−5) =20
2.
次の計算をしなさい。(1) 7 × (−8) =
− 56
(2) 7 × (−1) =− 7
(3) (−3) × (−1) =
3
(4) 3 × (−9) =− 27
(5) 1 × (−6) =
− 6
(6) (−9) × 6 =− 54
(7) 8 × (−9) =
− 72
(8) 9 × 3 =27
(9) 5 × (−9) =
− 45
(10) (−7) × 6 =− 42
(11) 1 × (−9) =
− 9
(12) 7 × 8 =56
(13) 8 × (−5) =
− 40
(14) (−1) × (−9) =9
(15) (−5) × 5 =
− 25
(16) 6 × (−3) =− 18
(17) 3 × 3 =
9
(18) 2 × 1 =2
(19) 1 × 1 =
1
(20) (−7) × (−3) =21
3.
次の計算をしなさい。(1) 3 × (−42) =
− 126
(2) 7 × (−71) =− 497
(3) (−8) × 25 =
− 200
(4) (−14) × (−2) =28
(5) 4 × 2 =
8
(6) 6 × 769 =4614
(7) (−6) × 814 =
− 4884
(8) (−185) × (−6) =1110
(9) (−60) × 29 =
− 1740
(10) 69 × 59 =4071
4.
次の計算をしなさい。(1) (−30) ÷ 6 = (2) (−24) ÷ 6 =
(3) 16 ÷ 8 = (4) 54 ÷ 6 =
(5) 21 ÷ (−3) = (6) 10 ÷ (−5) =
(7) 1 ÷ (−1) = (8) (−10) ÷ 5 =
(9) 42 ÷ (−7) = (10) (−9) ÷ (−9) =
(11) (−63) ÷ (−9) = (12) (−27) ÷ 3 =
(13) (−3) ÷ (−1) = (14) 18 ÷ (−6) =
(15) 35 ÷ 5 = (16) (−3) ÷ 1 =
(17) 56 ÷ (−7) = (18) (−7) ÷ (−7) =
(19) 30 ÷ 5 = (20) 10 ÷ 2 =
5.
次の計算をしなさい。(1) 360 ÷ (−5) = (2) 582 ÷ (−6) =
(3) (−189) ÷ (−7) = (4) 188 ÷ (−2) =
(5) (−135) ÷ (−9) = (6) (−74) ÷ (−2) =
(7) 6935 ÷ 73 = (8) (−5544) ÷ 72 =
(9) (−5824) ÷ (−7) = (10) 165 ÷ (−3) =
6.
次の計算をしなさい。(1) (−2) × (−8) × (−2) =
− 32
(2) (−3) × (−9) × (−3) =− 81
(3) 4 × (−12) ÷ 4 =
− 12
(4) (−7) × 16 ÷ 8 =− 14
(5) 4 ÷ 2 × (−4) =
− 8
(6) 21 ÷ 3 × (−4) =− 28
(7) 120 ÷ (−5) ÷ (−4) =
6
(8) 54 ÷ (−9) ÷ (−2) =3
(9) 64 ÷ 2 ÷ (−4) =
− 8
(10) (−32) ÷ 4 ÷ (−2) =4
7.
次の計算をしなさい。(1) (−56) × (−3) ÷ 7 =
24
(2) 64 ÷ (−8) × (−6) =48
(3) (−3) × 8 × 9 =
− 216
(4) (−5) × 8 × (−9) =360
(5) (−30) ÷ 5 × (−9) =
54
(6) (−7) × 8 ÷ (−4) =14
(7) 9 × 7 × (−2) =
− 126
(8) (−6) × (−5) × (−7) =− 210
(9) (−28) × (−2) ÷ 7 =
