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ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
1. 逆算（基本）その1
次の計算をしましょう。
(1) − 34 = 40 (2) 67 + = 83 (3) + 16 = 35
(4) 40− = 23 (5) 40÷ = 10 (6) 10× = 70
(7) ÷ 18 = 9 (8) − 50 = 69 (9) 34 + = 52
(10) + 38 = 54 (11) 41− = 26 (12) 120÷ = 12
(13) 15× = 75 (14) ÷ 51 = 3 (15) − 57 = 64
(16) 40 + = 52 (17) + 13 = 28 (18) 23− = 8
(19) × 14 = 98 (20) 90÷ = 10 (21) ÷ 29 = 3
(22) − 47 = 60 (23) 42 + = 62 (24) + 30 = 50
(25) 17− = 11 (26) 14× = 70 (27) 33÷ = 11
(28) ÷ 39 = 3 (29) − 28 = 47 (30) 80 + = 98
(31) + 51 = 54 (32) 50− = 34 (33) × 12 = 84
(34) 80÷ = 20 (35) ÷ 16 = 6 (36) − 12 = 17
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
2. 逆算（基本）その2
次の計算をしましょう。
(1) 34 + = 41 (2) + 36 = 49 (3) 17− = 9
(4) × 10 = 50 (5) 11× = 44 (6) ÷ 14 = 12
(7) − 70 = 90 (8) 11 + = 17 (9) + 56 = 67
(10) 169÷ = 13 (11) 16− = 1 (12) × 14 = 84
(13) ÷ 19 = 3 (14) − 43 = 59 (15) 11 + = 15
(16) + 42 = 49 (17) 10× = 50 (18) 65− = 61
(19) 126÷ = 18 (20) ÷ 26 = 6 (21) − 21 = 28
(22) 23 + = 28 (23) + 50 = 62 (24) 24× = 96
(25) 16− = 8 (26) 88÷ = 22 (27) ÷ 11 = 8
(28) − 20 = 31 (29) 22 + = 35 (30) + 28 = 44
(31) × 11 = 33 (32) 72− = 65 (33) 105÷ = 35
(34) ÷ 36 = 3 (35) − 69 = 73 (36) 80 + = 93
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
3. 逆算（基本）その3
次の計算をしましょう。
(1) + 44 = 48 (2) 22× = 88 (3) 23− = 8
(4) 72÷ = 12 (5) ÷ 35 = 3 (6) − 59 = 67
(7) 60 + = 72 (8) + 13 = 27 (9) 24× = 72
(10) 22− = 19 (11) 48÷ = 16 (12) ÷ 18 = 3
(13) − 15 = 27 (14) × 10 = 90 (15) + 49 = 55
(16) 32 + = 39 (17) 23− = 4 (18) 140÷ = 28
(19) ÷ 14 = 3 (20) − 76 = 86 (21) × 28 = 84
(22) + 45 = 55 (23) 46 + = 57 (24) 56− = 46
(25) 12× = 36 (26) ÷ 14 = 11 (27) − 12 = 18
(28) × 22 = 88 (29) + 43 = 60 (30) 65 + = 72
(31) 74− = 62 (32) 72÷ = 24 (33) 16× = 96
(34) − 67 = 81 (35) ÷ 20 = 4 (36) + 62 = 74
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
4. 逆算（基本）その4
次の計算をしましょう。
(1) 23 + = 28 (2) 35− = 27 (3) 176÷ = 22
(4) 12× = 72 (5) − 73 = 89 (6) ÷ 17 = 8
(7) + 33 = 38 (8) 64 + = 69 (9) 37− = 18
(10) × 17 = 68 (11) 177÷ = 59 (12) − 75 = 83
(13) ÷ 11 = 12 (14) + 20 = 24 (15) 35 + = 53
(16) 67− = 61 (17) 32× = 96 (18) 84÷ = 12
(19) − 29 = 46 (20) ÷ 22 = 7 (21) + 52 = 59
(22) 39 + = 49 (23) 40− = 21 (24) 10× = 30
(25) 65÷ = 13 (26) − 63 = 73 (27) ÷ 21 = 8
(28) + 43 = 53 (29) 12 + = 15 (30) 23− = 20
(31) 20× = 80 (32) 108÷ = 18 (33) − 43 = 63
(34) × 15 = 60 (35) + 75 = 88 (36) ÷ 33 = 3
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
5. 逆算（基本）その5
次の計算をしましょう。
(1) 76− = 63 (2) 63 + = 76 (3) 88÷ = 22
(4) 11× = 55 (5) − 22 = 40 (6) + 17 = 27
(7) ÷ 14 = 4 (8) 31− = 17 (9) 30 + = 45
(10) 140÷ = 28 (11) 32× = 96 (12) − 25 = 30
(13) + 38 = 54 (14) ÷ 12 = 5 (15) 53− = 44
(16) 45 + = 64 (17) × 18 = 90 (18) 144÷ = 18
(19) − 15 = 19 (20) + 80 = 100 (21) ÷ 22 = 5
(22) 55− = 42 (23) 13× = 52 (24) 60 + = 69
(25) 130÷ = 10 (26) − 14 = 32 (27) + 36 = 55
(28) × 11 = 88 (29) 51− = 32 (30) ÷ 18 = 6
(31) 42 + = 57 (32) 18× = 72 (33) − 23 = 30
(34) + 60 = 72 (35) 130÷ = 10 (36) 52− = 48
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
6. 逆算（基本）その6
次の計算をしましょう。
(1) ÷ 27 = 3 (2) 42 + = 45 (3) × 15 = 45
(4) − 20 = 23 (5) 16× = 64 (6) 130÷ = 26
(7) + 47 = 66 (8) ÷ 11 = 12 (9) 14 + = 24
(10) 30− = 23 (11) − 42 = 49 (12) × 13 = 78
(13) 165÷ = 11 (14) + 53 = 67 (15) ÷ 30 = 5
(16) 16× = 48 (17) 28 + = 39 (18) − 27 = 44
(19) 71− = 63 (20) 130÷ = 13 (21) + 57 = 69
(22) ÷ 17 = 3 (23) × 10 = 80 (24) 30 + = 37
(25) − 45 = 53 (26) 77− = 70 (27) 175÷ = 35
(28) + 62 = 77 (29) ÷ 15 = 6 (30) × 14 = 70
(31) 67 + = 79 (32) − 41 = 50 (33) 78− = 73
(34) 108÷ = 27 (35) + 53 = 65 (36) ÷ 11 = 16
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
7. 逆算（余りのある割り算）その1
次の計算をしましょう。
(1) ÷ 11 = 10 あまり 1 (2) ÷ 7 = 9 あまり 2
(3) 98÷ = 8 あまり 2 (4) 92÷ = 13 あまり 1
(5) ÷ 12 = 6 あまり 1 (6) 83÷ = 4 あまり 3
(7) 64÷ = 12 あまり 4 (8) 92÷ = 13 あまり 1
(9) ÷ 18 = 4 あまり 14 (10) ÷ 7 = 15 あまり 6
(11) ÷ 18 = 5 あまり 13 (12) ÷ 20 = 3 あまり 16
(13) ÷ 19 = 4 あまり 3 (14) 99÷ = 8 あまり 3
(15) ÷ 16 = 4 あまり 7 (16) ÷ 18 = 6 あまり 7
(17) ÷ 19 = 4 あまり 1 (18) ÷ 10 = 6 あまり 3
(19) 79÷ = 7 あまり 2 (20) 113÷ = 5 あまり 13
(21) ÷ 8 = 13 あまり 2 (22) 80÷ = 6 あまり 2
(23) ÷ 9 = 8 あまり 1 (24) ÷ 20 = 4 あまり 1
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
8. 逆算（余りのある割り算）その2
次の計算をしましょう。
(1) ÷ 5 = 14 あまり 2 (2) ÷ 19 = 5 あまり 11
(3) 62÷ = 12 あまり 2 (4) ÷ 11 = 10 あまり 6
(5) ÷ 9 = 7 あまり 2 (6) ÷ 11 = 6 あまり 6
(7) ÷ 11 = 5 あまり 9 (8) ÷ 7 = 13 あまり 4
(9) ÷ 9 = 9 あまり 7 (10) ÷ 13 = 5 あまり 2
(11) ÷ 20 = 5 あまり 16 (12) ÷ 8 = 11 あまり 5
(13) ÷ 19 = 5 あまり 8 (14) 92÷ = 5 あまり 12
(15) 81÷ = 8 あまり 1 (16) 105÷ = 11 あまり 6
(17) ÷ 13 = 5 あまり 3 (18) ÷ 20 = 4 あまり 15
(19) ÷ 11 = 10 あまり 8 (20) ÷ 17 = 4 あまり 8
(21) 88÷ = 7 あまり 4 (22) ÷ 20 = 4 あまり 3
(23) ÷ 9 = 8 あまり 8 (24) ÷ 8 = 8 あまり 1
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
9. 逆算（余りのある割り算）その3
次の計算をしましょう。
(1) ÷ 19 = 3 あまり 14 (2) ÷ 18 = 4 あまり 16
(3) 79÷ = 4 あまり 7 (4) 114÷ = 9 あまり 6
(5) ÷ 10 = 9 あまり 3 (6) ÷ 6 = 10 あまり 4
(7) 115÷ = 6 あまり 7 (8) 120÷ = 6 あまり 12
(9) 110÷ = 5 あまり 15 (10) ÷ 7 = 15 あまり 3
(11) ÷ 5 = 23 あまり 2 (12) ÷ 8 = 8 あまり 2
(13) ÷ 10 = 9 あまり 7 (14) 61÷ = 3 あまり 4
(15) ÷ 8 = 9 あまり 1 (16) ÷ 18 = 3 あまり 17
(17) 119÷ = 10 あまり 9 (18) ÷ 9 = 11 あまり 7
(19) 93÷ = 4 あまり 17 (20) ÷ 8 = 9 あまり 4
(21) ÷ 11 = 7 あまり 2 (22) 92÷ = 4 あまり 12
(23) ÷ 19 = 3 あまり 13 (24) 85÷ = 4 あまり 9
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
10. 逆算（余りのある割り算）その4
次の計算をしましょう。
(1) ÷ 11 = 7 あまり 9 (2) 89÷ = 8 あまり 1
(3) ÷ 9 = 11 あまり 1 (4) 106÷ = 9 あまり 7
(5) ÷ 10 = 11 あまり 5 (6) 101÷ = 14 あまり 3
(7) 96÷ = 5 あまり 6 (8) ÷ 16 = 7 あまり 1
(9) ÷ 18 = 4 あまり 15 (10) 74÷ = 6 あまり 2
(11) ÷ 19 = 3 あまり 14 (12) ÷ 19 = 5 あまり 8
(13) ÷ 16 = 4 あまり 10 (14) ÷ 6 = 16 あまり 2
(15) ÷ 9 = 11 あまり 1 (16) 119÷ = 6 あまり 11
(17) 119÷ = 6 あまり 11 (18) ÷ 13 = 8 あまり 5
(19) ÷ 6 = 16 あまり 5 (20) ÷ 10 = 9 あまり 1
(21) ÷ 17 = 6 あまり 14 (22) 86÷ = 6 あまり 2
(23) 62÷ = 3 あまり 11 (24) ÷ 17 = 4 あまり 9
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
11. 逆算（余りのある割り算）その5
次の計算をしましょう。
(1) ÷ 16 = 7 あまり 5 (2) 61÷ = 4 あまり 1
(3) 114÷ = 6 あまり 12 (4) 77÷ = 8 あまり 5
(5) ÷ 11 = 7 あまり 5 (6) 69÷ = 3 あまり 9
(7) 88÷ = 5 あまり 3 (8) ÷ 13 = 4 あまり 12
(9) ÷ 11 = 5 あまり 8 (10) ÷ 10 = 6 あまり 9
(11) ÷ 10 = 7 あまり 2 (12) 116÷ = 6 あまり 8
(13) ÷ 15 = 6 あまり 1 (14) ÷ 18 = 4 あまり 1
(15) 71÷ = 3 あまり 14 (16) 118÷ = 13 あまり 1
(17) 109÷ = 15 あまり 4 (18) ÷ 14 = 4 あまり 7
(19) 106÷ = 11 あまり 7 (20) 109÷ = 10 あまり 9
(21) 92÷ = 5 あまり 7 (22) ÷ 14 = 7 あまり 8
(23) ÷ 10 = 11 あまり 9 (24) ÷ 11 = 10 あまり 7
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
12. 逆算（余りのある割り算）その6
次の計算をしましょう。
(1) 113÷ = 9 あまり 5 (2) 60÷ = 3 あまり 9
(3) 88÷ = 4 あまり 8 (4) ÷ 5 = 13 あまり 4
(5) 73÷ = 4 あまり 5 (6) ÷ 14 = 7 あまり 9
(7) 87÷ = 7 あまり 3 (8) 118÷ = 8 あまり 6
(9) 74÷ = 6 あまり 2 (10) 64÷ = 12 あまり 4
(11) ÷ 10 = 11 あまり 2 (12) 65÷ = 3 あまり 8
(13) ÷ 6 = 16 あまり 5 (14) 62÷ = 4 あまり 10
(15) ÷ 9 = 11 あまり 6 (16) ÷ 18 = 4 あまり 11
(17) ÷ 18 = 3 あまり 15 (18) 93÷ = 5 あまり 3
(19) ÷ 8 = 12 あまり 7 (20) ÷ 18 = 6 あまり 7
(21) 71÷ = 3 あまり 17 (22) ÷ 9 = 8 あまり 1
(23) ÷ 11 = 7 あまり 8 (24) 103÷ = 5 あまり 3
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
13. 逆算（四則混合 +−×）その1
次の計算をしましょう。
(1) 30 + 3× = 36 (2) × 3 + 49 = 55
(3) 46 + 5× = 121 (4) 49 + × 9 = 94
(5) 10× + 39 = 129 (6) 21 + 5× = 51
(7) 23 + × 6 = 35 (8) 9× + 48 = 165
(9) 22 + 11× = 187 (10) 127− × 8 = 71
(11) 232− 8× = 96 (12) 180− × 7 = 96
(13) 170− 9× = 80 (14) 211− × 11 = 156
(15) 10× + 21 = 91 (16) 203− 6× = 119
(17) 12× + 27 = 195 (18) 38 + × 7 = 66
(19) 10× − 144 = 36 (20) 35 + 4× = 47
(21) 32 + × 8 = 56 (22) 8× + 32 = 80
(23) 139− × 7 = 97 (24) × 11 + 30 = 74
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
14. 逆算（四則混合 +−×）その2
次の計算をしましょう。
(1) 32 + 11× = 175 (2) × 8 + 40 = 112
(3) × 8 + 20 = 140 (4) × 12− 191 = 13
(5) × 10 + 44 = 154 (6) 31 + 12× = 187
(7) 41 + × 3 = 74 (8) 30 + 11× = 118
(9) × 7 + 26 = 96 (10) 165− × 7 = 102
(11) 21 + 9× = 156 (12) 184− × 7 = 72
(13) 141− 10× = 41 (14) 121− × 3 = 79
(15) 4× + 24 = 36 (16) 165− 5× = 85
(17) 30 + × 4 = 74 (18) 142− 10× = 102
(19) 5× + 43 = 118 (20) 230− 7× = 174
(21) 140− × 7 = 63 (22) 35 + 6× = 107
(23) 11× + 20 = 75 (24) 142− 9× = 70
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
15. 逆算（四則混合 +−×）その3
次の計算をしましょう。
(1) 9× + 34 = 88 (2) 12× + 48 = 108
(3) 237− 9× = 57 (4) 34 + 3× = 43
(5) 200− 6× = 128 (6) 49 + 5× = 89
(7) × 12− 148 = 56 (8) 208− 3× = 151
(9) 164− 12× = 44 (10) 206− 6× = 140
(11) 147− 10× = 67 (12) 232− × 3 = 190
(13) 199− 5× = 104 (14) 4× + 36 = 48
(15) 30 + × 4 = 46 (16) 35 + 9× = 143
(17) 176− × 6 = 152 (18) 32 + 6× = 104
(19) × 6 + 30 = 102 (20) 231− × 8 = 95
(21) × 5 + 36 = 86 (22) 238− × 8 = 134
(23) 10× + 46 = 196 (24) × 11 + 42 = 152
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
16. 逆算（四則混合 +−×）その4
次の計算をしましょう。
(1) 172− × 8 = 52 (2) 47 + × 4 = 55
(3) × 3 + 44 = 89 (4) 23 + × 9 = 50
(5) 12× − 147 = 81 (6) 5× + 28 = 93
(7) 25 + 8× = 137 (8) 34 + × 9 = 97
(9) 234− 10× = 64 (10) × 9 + 44 = 125
(11) 30 + × 12 = 150 (12) × 6 + 44 = 104
(13) 22 + × 10 = 52 (14) 161− 3× = 122
(15) × 8 + 43 = 155 (16) 24 + × 12 = 144
(17) 10× + 29 = 59 (18) × 8 + 31 = 143
(19) 3× + 40 = 73 (20) 5× + 45 = 65
(21) 155− × 5 = 110 (22) 12× − 120 = 84
(23) × 11− 128 = 15 (24) 44 + × 9 = 143
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
17. 逆算（四則混合 +−×）その5
次の計算をしましょう。
(1) × 10 + 24 = 134 (2) × 8 + 31 = 103
(3) × 4 + 31 = 75 (4) 8× + 28 = 76
(5) 168− × 4 = 92 (6) 140− 6× = 26
(7) × 5 + 20 = 90 (8) 47 + 7× = 61
(9) 214− × 7 = 151 (10) × 8 + 45 = 61
(11) 3× + 46 = 67 (12) 129− × 5 = 84
(13) × 8 + 36 = 52 (14) 25 + × 8 = 97
(15) 194− 12× = 62 (16) 37 + × 6 = 109
(17) 241− × 12 = 121 (18) 9× + 29 = 110
(19) 232− × 3 = 202 (20) 26 + × 7 = 96
(21) × 6 + 26 = 104 (22) 11× + 49 = 71
(23) × 12 + 26 = 86 (24) 191− × 8 = 143
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
18. 逆算（四則混合 +−×）その6
次の計算をしましょう。
(1) × 7 + 43 = 85 (2) 3× + 34 = 64
(3) 41 + × 6 = 83 (4) × 12 + 22 = 46
(5) × 3 + 36 = 48 (6) × 11 + 39 = 72
(7) 235− × 12 = 103 (8) 217− 8× = 161
(9) × 10 + 27 = 177 (10) 250− × 5 = 190
(11) × 11 + 35 = 112 (12) 49 + × 6 = 103
(13) × 9 + 24 = 69 (14) 3× + 46 = 88
(15) 7× + 38 = 73 (16) 36 + 3× = 63
(17) 146− × 6 = 26 (18) 22 + 6× = 106
(19) × 3 + 41 = 86 (20) 11× + 35 = 200
(21) × 12 + 37 = 133 (22) 23 + × 10 = 63
(23) 208− 6× = 112 (24) 197− × 5 = 102
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
19. 逆算（四則混合 +−÷）その1
次の計算をしましょう。
(1) ÷ 15− 8 = 8 (2) 32÷ + 46 = 50
(3) 90÷ + 48 = 54 (4) ÷ 8− 3 = 8
(5) ÷ 6 + 40 = 43 (6) ÷ 3 + 36 = 39
(7) 29 + 20÷ = 31 (8) 84÷ − 4 = 8
(9) 37 + ÷ 7 = 42 (10) ÷ 13− 3 = 13
(11) 20÷ + 48 = 52 (12) ÷ 6− 6 = 5
(13) 50 + ÷ 3 = 53 (14) 130− 45÷ = 125
(15) ÷ 8 + 29 = 33 (16) 126− ÷ 2 = 122
(17) ÷ 7− 2 = 8 (18) 24÷ + 20 = 28
(19) 130− 98÷ = 123 (20) 28÷ + 33 = 37
(21) ÷ 8− 7 = 12 (22) 63÷ + 48 = 55
(23) 42÷ + 45 = 51 (24) 86− 88÷ = 78
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
20. 逆算（四則混合 +−÷）その2
次の計算をしましょう。
(1) 33 + ÷ 3 = 40 (2) 99− 36÷ = 95
(3) ÷ 9− 8 = 2 (4) 126− ÷ 8 = 123
(5) 27 + 20÷ = 29 (6) 43 + ÷ 7 = 51
(7) ÷ 6 + 34 = 42 (8) 140− 39÷ = 137
(9) ÷ 13− 7 = 5 (10) 38 + ÷ 9 = 41
(11) ÷ 9− 6 = 7 (12) 18÷ + 37 = 43
(13) 95− ÷ 6 = 91 (14) 23 + 21÷ = 30
(15) 98÷ − 7 = 7 (16) ÷ 4 + 39 = 45
(17) 41 + ÷ 5 = 46 (18) ÷ 5− 5 = 7
(19) 36÷ + 33 = 39 (20) 137− ÷ 4 = 134
(21) 75− ÷ 8 = 68 (22) 35÷ + 49 = 56
(23) 56÷ − 2 = 6 (24) ÷ 6 + 48 = 50
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
21. 逆算（四則混合 +−÷）その3
次の計算をしましょう。
(1) 29 + 96÷ = 37 (2) 54÷ − 3 = 6
(3) 74− 40÷ = 69 (4) ÷ 4− 5 = 12
(5) ÷ 5 + 27 = 33 (6) ÷ 3 + 37 = 39
(7) ÷ 6− 6 = 12 (8) 33 + 70÷ = 40
(9) 39 + 56÷ = 46 (10) 103− 98÷ = 96
(11) 43 + ÷ 7 = 47 (12) 34 + 65÷ = 39
(13) ÷ 3 + 21 = 25 (14) 87− 56÷ = 80
(15) 44÷ + 44 = 48 (16) 147− 15÷ = 144
(17) 116− ÷ 3 = 110 (18) 91÷ + 27 = 34
(19) ÷ 13− 8 = 7 (20) ÷ 6 + 26 = 32
(21) 31 + 56÷ = 39 (22) 38 + 28÷ = 40
(23) 40 + ÷ 8 = 46 (24) 118− ÷ 2 = 112
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
22. 逆算（四則混合 +−÷）その4
次の計算をしましょう。
(1) ÷ 14− 7 = 7 (2) 132− ÷ 2 = 126
(3) 49÷ + 30 = 37 (4) ÷ 14− 6 = 9
(5) ÷ 7 + 39 = 46 (6) ÷ 4 + 35 = 39
(7) ÷ 9 + 38 = 41 (8) 35 + 45÷ = 38
(9) ÷ 15− 2 = 16 (10) 48÷ − 8 = 4
(11) 93− 12÷ = 91 (12) ÷ 9 + 26 = 32
(13) 37 + 10÷ = 39 (14) 81÷ − 8 = 1
(15) ÷ 8 + 44 = 51 (16) ÷ 6 + 35 = 42
(17) ÷ 9 + 29 = 33 (18) 30 + 20÷ = 34
(19) 129− ÷ 3 = 124 (20) 44 + ÷ 3 = 49
(21) 50÷ − 3 = 7 (22) 84− ÷ 6 = 80
(23) 47 + 35÷ = 52 (24) ÷ 5 + 31 = 33
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
23. 逆算（四則混合 +−÷）その5
次の計算をしましょう。
(1) 45 + ÷ 9 = 53 (2) 62− ÷ 5 = 57
(3) ÷ 11− 8 = 4 (4) 43 + ÷ 4 = 49
(5) ÷ 3 + 31 = 36 (6) 20 + ÷ 9 = 22
(7) 37 + 10÷ = 39 (8) 36÷ + 27 = 31
(9) ÷ 11− 7 = 6 (10) 20 + 60÷ = 25
(11) 45 + ÷ 5 = 47 (12) 20 + ÷ 6 = 24
(13) 22 + ÷ 8 = 30 (14) 45÷ − 6 = 3
(15) ÷ 2− 6 = 12 (16) 91÷ − 7 = 6
(17) 47 + ÷ 5 = 52 (18) 90− ÷ 6 = 82
(19) 34 + ÷ 6 = 38 (20) 127− ÷ 7 = 124
(21) 91÷ + 30 = 37 (22) 101− ÷ 6 = 96
(23) ÷ 12− 7 = 10 (24) 130− 8÷ = 128
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
24. 逆算（四則混合 +−÷）その6
次の計算をしましょう。
(1) 46 + ÷ 7 = 54 (2) 24÷ + 28 = 30
(3) 73− 78÷ = 67 (4) ÷ 6 + 45 = 50
(5) 33÷ + 44 = 47 (6) ÷ 9− 2 = 14
(7) 66÷ + 39 = 45 (8) 50 + 98÷ = 57
(9) 73− ÷ 2 = 64 (10) ÷ 9 + 25 = 27
(11) ÷ 4 + 30 = 38 (12) 96− ÷ 2 = 93
(13) 35÷ − 6 = 1 (14) 113− ÷ 3 = 110
(15) 23 + ÷ 6 = 26 (16) 79− ÷ 5 = 73
(17) 33 + ÷ 6 = 36 (18) ÷ 5 + 23 = 29
(19) ÷ 3 + 41 = 46 (20) ÷ 4 + 27 = 31
(21) ÷ 10− 5 = 10 (22) ÷ 3− 6 = 12
(23) 147− ÷ 7 = 143 (24) 50 + ÷ 6 = 52
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
25. 逆算（四則混合 +−×÷）その1
次の計算をしましょう。
(1) 31 + 6× = 91 (2) 183− 7× = 64
(3) 24 + × 5 = 84 (4) 18÷ − 5 = 1
(5) ÷ 4 + 50 = 52 (6) 50÷ − 2 = 8
(7) 136− 10× = 86 (8) 174− × 7 = 55
(9) ÷ 6− 7 = 4 (10) 8× + 33 = 81
(11) 32 + × 8 = 88 (12) 130− 40÷ = 125
(13) ÷ 6− 4 = 8 (14) 36÷ + 28 = 34
(15) 112− ÷ 6 = 109 (16) 107− ÷ 3 = 101
(17) 32 + × 10 = 82 (18) 30 + 45÷ = 35
(19) 3× + 26 = 44 (20) 70− ÷ 4 = 61
(21) × 7 + 34 = 97 (22) 134− 10÷ = 132
(23) 234− × 5 = 179 (24) ÷ 3− 6 = 8
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
26. 逆算（四則混合 +−×÷）その2
次の計算をしましょう。
(1) 235− 3× = 190 (2) 43 + × 7 = 141
(3) 86− 80÷ = 78 (4) 30÷ − 5 = 5
(5) 30÷ + 49 = 55 (6) 44 + 70÷ = 51
(7) 3× + 28 = 34 (8) 70÷ − 6 = 8
(9) 54÷ − 3 = 3 (10) 33 + ÷ 3 = 38
(11) 141− 80÷ = 133 (12) 98− ÷ 5 = 90
(13) ÷ 9 + 38 = 43 (14) × 5 + 24 = 34
(15) ÷ 5 + 47 = 52 (16) 44 + ÷ 8 = 50
(17) 29 + 6× = 107 (18) × 7 + 34 = 55
(19) 137− 24÷ = 135 (20) 72− 120÷ = 64
(21) 84÷ + 50 = 57 (22) 23 + × 12 = 131
(23) 123− ÷ 7 = 116 (24) ÷ 9− 2 = 16
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
27. 逆算（四則混合 +−×÷）その3
次の計算をしましょう。
(1) 5× + 26 = 46 (2) 68− 36÷ = 64
(3) 40÷ + 21 = 29 (4) × 11 + 20 = 108
(5) 50 + 10× = 140 (6) 48÷ − 5 = 7
(7) 26 + 8× = 114 (8) 238− × 3 = 226
(9) × 3 + 50 = 77 (10) 47 + × 5 = 77
(11) × 4 + 30 = 86 (12) ÷ 6− 3 = 7
(13) ÷ 9− 7 = 5 (14) 126− ÷ 5 = 117
(15) ÷ 9 + 32 = 37 (16) 48÷ − 8 = 4
(17) 178− 4× = 98 (18) 33 + ÷ 9 = 36
(19) 28 + 16÷ = 36 (20) 47 + 11× = 80
(21) 107− ÷ 2 = 99 (22) 126− 64÷ = 118
(23) 107− 48÷ = 99 (24) ÷ 3 + 22 = 26
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
28. 逆算（四則混合 +−×÷）その4
次の計算をしましょう。
(1) 27 + ÷ 3 = 34 (2) 234− 6× = 156
(3) 205− × 6 = 151 (4) ÷ 3 + 44 = 50
(5) 27 + 7× = 55 (6) 39 + ÷ 4 = 46
(7) × 11 + 33 = 132 (8) 36 + ÷ 4 = 43
(9) 6× + 24 = 36 (10) 137− 30÷ = 134
(11) ÷ 3 + 27 = 29 (12) 34 + 80÷ = 42
(13) 46 + ÷ 7 = 51 (14) ÷ 7 + 26 = 29
(15) 37 + ÷ 7 = 39 (16) 231− × 3 = 219
(17) 48÷ + 44 = 52 (18) ÷ 4− 6 = 10
(19) 220− × 12 = 28 (20) × 4 + 31 = 75
(21) 47 + ÷ 4 = 49 (22) 21 + 5× = 36
(23) 43 + 4× = 95 (24) 42 + 5× = 117
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
29. 逆算（四則混合 +−×÷）その5
次の計算をしましょう。
(1) 20 + ÷ 6 = 23 (2) ÷ 4 + 27 = 32
(3) 226− 7× = 156 (4) 40 + ÷ 8 = 42
(5) 56÷ − 2 = 6 (6) 49÷ − 6 = 1
(7) 20÷ − 3 = 2 (8) 241− 8× = 129
(9) 155− 9× = 29 (10) ÷ 6− 2 = 8
(11) 148− 49÷ = 141 (12) 36 + × 5 = 101
(13) 207− 10× = 47 (14) 48÷ + 41 = 49
(15) 8× + 32 = 56 (16) 26 + ÷ 7 = 32
(17) 61− 64÷ = 53 (18) 75÷ − 8 = 7
(19) 3× + 24 = 63 (20) 30 + × 9 = 165
(21) 32 + 7× = 102 (22) 12× + 30 = 198
(23) 233− 8× = 169 (24) 33 + ÷ 4 = 41
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
30. 逆算（四則混合 +−×÷）その6
次の計算をしましょう。
(1) 22÷ + 20 = 22 (2) 44 + 10× = 84
(3) × 4 + 35 = 43 (4) 3× + 46 = 88
(5) × 11 + 22 = 55 (6) 80− ÷ 7 = 73
(7) 249− × 8 = 121 (8) 34 + 40÷ = 42
(9) × 7 + 36 = 85 (10) 91− 9÷ = 88
(11) 109− ÷ 8 = 101 (12) 215− × 4 = 155
(13) 23 + × 7 = 93 (14) 28 + 6× = 46
(15) 24 + 72÷ = 30 (16) 37 + × 4 = 45
(17) 173− 4× = 137 (18) × 5 + 21 = 81
(19) 40 + ÷ 7 = 44 (20) ÷ 3 + 24 = 27
(21) 205− × 5 = 185 (22) 219− 10× = 69
(23) 40÷ − 7 = 3 (24) 45÷ − 6 = 9
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
31. 逆算（分配法則の逆）その1
次の計算をしましょう。
(1) 6× + × 8 = 196 (2) × 16− 8× = 56
(3) 11× − × 5 = 48 (4) 7× + 3× = 20
(5) 4× + × 7 = 77 (6) 7× + 6× = 78
(7) 3× + 4× = 105 (8) × 9− 2× = 28
(9) × 5 + × 3 = 32 (10) × 5 + × 4 = 36
(11) 2× + × 5 = 49 (12) × 7 + 5× = 36
(13) × 14− 6× = 24 (14) × 16− × 4 = 144
(15) × 9− 2× = 91 (16) 3× + 8× = 99
(17) × 6 + 8× = 28 (18) × 15− × 2 = 78
(19) 6× + × 7 = 78 (20) × 8 + × 3 = 165
(21) × 17− 3× = 28 (22) × 12− 6× = 78
(23) 2× + 3× = 25 (24) 14× − × 8 = 30
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
32. 逆算（分配法則の逆）その2
次の計算をしましょう。
(1) 2× + 8× = 140 (2) × 9− × 3 = 36
(3) × 8 + 9× = 102 (4) 15× − 7× = 88
(5) × 13− 7× = 42 (6) 11× − 3× = 24
(7) × 10− 7× = 18 (8) 5× + × 8 = 91
(9) 8× + × 8 = 96 (10) × 5 + × 2 = 91
(11) × 3 + 4× = 91 (12) × 5 + × 4 = 81
(13) 13× − × 7 = 60 (14) × 10− 8× = 18
(15) × 7 + × 9 = 144 (16) × 6 + 3× = 27
(17) 3× + × 7 = 110 (18) 14× − 5× = 36
(19) × 12− 8× = 24 (20) × 6 + × 8 = 140
(21) 5× + × 7 = 96 (22) × 4 + × 9 = 104
(23) × 13− × 6 = 56 (24) 6× + × 5 = 110
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
33. 逆算（分配法則の逆）その3
次の計算をしましょう。
(1) × 7 + × 4 = 55 (2) × 5 + × 3 = 40
(3) 6× + × 8 = 98 (4) 10× − × 4 = 66
(5) 4× + × 3 = 56 (6) × 4 + 3× = 98
(7) × 7 + 3× = 40 (8) × 10− × 7 = 9
(9) 4× + × 3 = 14 (10) 7× + 6× = 78
(11) × 5 + 5× = 50 (12) 5× + 6× = 22
(13) × 6 + × 3 = 81 (14) 4× + 7× = 143
(15) 10× − 3× = 14 (16) × 6 + 4× = 120
(17) × 6 + 8× = 140 (18) × 10− × 5 = 15
(19) 11× − × 3 = 112 (20) × 6− × 4 = 22
(21) × 16− 6× = 60 (22) 9× + × 5 = 196
(23) × 11− 9× = 18 (24) 12× − × 4 = 32
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
34. 逆算（分配法則の逆）その4
次の計算をしましょう。
(1) × 7 + × 5 = 180 (2) 15× − 6× = 135
(3) × 6 + 7× = 130 (4) 7× − × 3 = 40
(5) × 6 + 7× = 65 (6) 7× + 7× = 182
(7) 9× − 4× = 25 (8) × 11− × 6 = 45
(9) 3× + 6× = 90 (10) 8× + 8× = 144
(11) × 8 + 3× = 132 (12) 16× − 6× = 70
(13) × 3 + × 2 = 15 (14) 7× + × 3 = 30
(15) × 7 + 5× = 24 (16) 17× − 4× = 78
(17) 11× − × 4 = 56 (18) × 5 + 7× = 156
(19) 6× + 5× = 121 (20) 11× − × 7 = 8
(21) 8× − 6× = 20 (22) 8× + 7× = 75
(23) × 3 + × 2 = 20 (24) × 10− × 8 = 26
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
35. 逆算（分配法則の逆）その5
次の計算をしましょう。
(1) 18× − 6× = 96 (2) 9× − 7× = 22
(3) 18× − × 8 = 80 (4) × 7 + × 2 = 135
(5) 9× + 4× = 182 (6) × 10− × 4 = 30
(7) 2× + × 6 = 16 (8) × 5 + × 8 = 195
(9) 4× + 8× = 48 (10) 8× + × 7 = 195
(11) 3× + 8× = 66 (12) × 8 + × 4 = 156
(13) 14× − 4× = 20 (14) × 3 + × 4 = 91
(15) × 7 + × 5 = 108 (16) × 6 + × 8 = 56
(17) 6× + × 4 = 100 (18) 18× − 8× = 100
(19) × 6 + 4× = 40 (20) 11× − × 4 = 14
(21) 14× − 6× = 72 (22) 2× + × 8 = 70
(23) × 6 + × 6 = 132 (24) 17× − 8× = 18
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
36. 逆算（分配法則の逆）その6
次の計算をしましょう。
(1) × 7 + 5× = 84 (2) × 6 + × 3 = 126
(3) 12× − 4× = 112 (4) 12× − × 4 = 104
(5) 6× + × 6 = 144 (6) 12× − × 4 = 80
(7) × 14− × 9 = 55 (8) 5× + × 3 = 96
(9) 5× + 6× = 55 (10) × 9− × 2 = 63
(11) 10× − 4× = 54 (12) 9× − 4× = 75
(13) × 4 + × 8 = 36 (14) × 12− × 6 = 42
(15) × 14− × 8 = 72 (16) × 11− 9× = 26
(17) 8× − 6× = 16 (18) × 10− × 5 = 60
(19) 2× + 6× = 120 (20) × 11− 3× = 48
(21) × 14− 3× = 22 (22) 4× + 5× = 117
(23) 9× − × 3 = 36 (24) × 4 + × 8 = 72
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
37. 逆算（分配法則の逆）その7
次の計算をしましょう。
(1) 9× − × 5 = 52 (2) 13× − 8× = 50
(3) 12× − × 6 = 66 (4) 16× − × 4 = 180
(5) × 15− × 3 = 96 (6) 15× − 7× = 64
(7) 11× − × 5 = 48 (8) × 8− 6× = 26
(9) × 6 + × 4 = 60 (10) 6× + 5× = 22
(11) 13× − × 4 = 135 (12) 6× − 4× = 16
(13) 15× − 7× = 112 (14) × 5 + 6× = 99
(15) 5× + 7× = 180 (16) 9× − 6× = 18
(17) × 11− 8× = 42 (18) 8× + × 8 = 160
(19) 2× + 5× = 21 (20) × 15− × 5 = 130
(21) 3× + × 8 = 55 (22) 2× + 7× = 18
(23) 2× + × 4 = 78 (24) 5× + 7× = 144
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
38. 逆算（分配法則の逆）その8
次の計算をしましょう。
(1) × 12− × 5 = 49 (2) 13× − × 7 = 30
(3) 6× − 4× = 12 (4) × 4 + × 6 = 70
(5) 17× − × 7 = 20 (6) 13× − × 7 = 36
(7) 8× − × 6 = 24 (8) 18× − × 3 = 30
(9) × 13− × 5 = 40 (10) × 12− 6× = 54
(11) 6× + 6× = 168 (12) 4× + 5× = 126
(13) × 5 + 5× = 110 (14) × 8 + × 2 = 30
(15) × 14− × 8 = 84 (16) × 4 + × 2 = 24
(17) 10× − 6× = 40 (18) 4× + 5× = 90
(19) × 9− 2× = 98 (20) 7× − 5× = 28
(21) 13× − × 6 = 35 (22) × 7 + × 5 = 108
(23) 5× + × 4 = 135 (24) × 13− 5× = 88
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
39. 逆算（平方数）その1
次の計算をしましょう。
(1) × + 120 = 136 (2) × × 7 = 28
(3) 22− × = 21 (4) 9× × = 81
(5) 80 + × = 105 (6) × − 23 = 41
(7) × × 3 = 147 (8) 52− × = 36
(9) 67− × = 18 (10) 43− × = 7
(11) 9× × = 225 (12) 101− × = 20
(13) × − 9 = 16 (14) 31− × = 6
(15) × × 6 = 294 (16) 94 + × = 95
(17) × × 8 = 32 (18) × + 102 = 103
(19) 3× × = 27 (20) 113− × = 32
(21) × − 8 = 28 (22) 49− × = 40
(23) × + 135 = 216 (24) × ÷ 2 = 2
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
40. 逆算（平方数）その2
次の計算をしましょう。
(1) 76− × = 12 (2) × − 23 = 26
(3) × × 8 = 32 (4) 79− × = 15
(5) 81 + × = 106 (6) × × 9 = 144
(7) × − 37 = 12 (8) 73− × = 37
(9) × + 50 = 54 (10) × − 9 = 16
(11) 7× × = 28 (12) 5× × = 80
(13) 3× × = 108 (14) 79− × = 15
(15) × + 134 = 215 (16) × × 5 = 20
(17) 25− × = 24 (18) 8× × = 32
(19) × × 2 = 72 (20) × ÷ 4 = 16
(21) 71− × = 35 (22) × + 113 = 117
(23) × × 2 = 162 (24) 47− × = 38
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
41. 逆算（平方数）その3
次の計算をしましょう。
(1) 108 + × = 172 (2) 3× × = 243
(3) × − 36 = 28 (4) × + 50 = 54
(5) 134 + × = 143 (6) 41− × = 5
(7) 12− × = 11 (8) 5× × = 20
(9) 4× × = 144 (10) × ÷ 4 = 9
(11) 138 + × = 187 (12) 2× × = 72
(13) × × 2 = 32 (14) × × 6 = 96
(15) 123 + × = 172 (16) × × 2 = 50
(17) 70− × = 34 (18) × + 113 = 149
(19) × + 55 = 136 (20) 30− × = 29
(21) 72 + × = 121 (22) 3× × = 243
(23) 6× × = 96 (24) × ÷ 2 = 18
ル-139729300
Copyright 2009かみのドリル http://kaminodrill.sakura.ne.jp/
42. 逆算（平方数）その4
次の計算をしましょう。
(1) × × 2 = 162 (2) 87− × = 23
(3) 9× × = 81 (4) × ÷ 3 = 27
(5) 143 + × = 207 (6) × + 128 = 132
(7) × + 91 = 140 (8) 5× × = 245
(9) × + 114 = 123 (10) 33− × = 17
(11) 69 + × = 85 (12) × × 2 = 162
(13) × × 7 = 112 (14) 38− × = 29
(15) × − 9 = 27 (16) 7× × = 63
(17) 47− × = 11 (18) × ÷ 3 = 12
(19) × − 12 = 4 (20) 9× × = 144
(21) × + 81 = 97 (22) × − 38 = 43
(23) × + 85 = 89 (24) 110 + × = 119
