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25問 足し算 小数足し算 数学・算数の教材公開ページ

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(1)

(1) 0.68 + 0.97 = (2) 3.9 + 5 = (3) 0.24 + 0.95 =

(4) 3.6 + 2.9 = (5) 0.7 + 1.3 = (6) 6.4 + 9.7 =

(7) 4.1 + 5.9 = (8) 0.18 + 0.39 = (9) 0.82 + 0.09 =

(10) 0.43 + 0.16 = (11) 0.7 + 3.1 = (12) 0.72 + 0.21 =

(13) 9.4 + 0.3 = (14) 6.1 + 8.3 = (15) 5.2 + 3.3 =

(16) 5.9 + 4.4 = (17) 0.77 + 0.09 = (18) 0.38 + 0.27 =

(19) 0.96 + 0.47 = (20) 0.72 + 0.44 = (21) 0.97 + 0.51 =

(22) 6.6 + 0.7 = (23) 0.59 + 0.24 = (24) 0.11 + 0.35 =

(25) 0.43 + 0.12 =

(2)

(1) 0.68 + 0.97 =

1 . 65

(2) 3.9 + 5 =

8 . 9

(3) 0.24 + 0.95 =

1 . 19

(4) 3.6 + 2.9 =

6 . 5

(5) 0.7 + 1.3 =

2

(6) 6.4 + 9.7 =

16 . 1

(7) 4.1 + 5.9 =

10

(8) 0.18 + 0.39 =

0 . 57

(9) 0.82 + 0.09 =

0 . 91

(10) 0.43 + 0.16 =

0 . 59

(11) 0.7 + 3.1 =

3 . 8

(12) 0.72 + 0.21 =

0 . 93

(13) 9.4 + 0.3 =

9 . 7

(14) 6.1 + 8.3 =

14 . 4

(15) 5.2 + 3.3 =

8 . 5

(16) 5.9 + 4.4 =

10 . 3

(17) 0.77 + 0.09 =

0 . 86

(18) 0.38 + 0.27 =

0 . 65

(19) 0.96 + 0.47 =

1 . 43

(20) 0.72 + 0.44 =

1 . 16

(21) 0.97 + 0.51 =

1 . 48

(22) 6.6 + 0.7 =

7 . 3

(23) 0.59 + 0.24 =

0 . 83

(24) 0.11 + 0.35 =

0 . 46

(25) 0.43 + 0.12 =

0 . 55

(3)

(1) 0.41 + 0.19 = (2) 9.2 + 1.2 = (3) 0.49 + 0.39 =

(4) 0.69 + 0.89 = (5) 0.83 + 0.15 = (6) 0.52 + 0.74 =

(7) 0.18 + 0.92 = (8) 1.9 + 5.6 = (9) 4.1 + 2.5 =

(10) 0.92 + 0.91 = (11) 6.9 + 4 = (12) 0.13 + 0.94 =

(13) 6.8 + 3.5 = (14) 7.1 + 5.7 = (15) 0.6 + 7.7 =

(16) 4.1 + 7.3 = (17) 1.4 + 1.6 = (18) 1.6 + 5.4 =

(19) 0.15 + 0.27 = (20) 0.93 + 0.84 = (21) 7 + 5.3 =

(22) 2.7 + 5.7 = (23) 0.72 + 0.87 = (24) 0.34 + 0.39 =

(25) 0.15 + 0.69 =

(4)

(1) 0.41 + 0.19 =

0 . 6

(2) 9.2 + 1.2 =

10 . 4

(3) 0.49 + 0.39 =

0 . 88

(4) 0.69 + 0.89 =

1 . 58

(5) 0.83 + 0.15 =

0 . 98

(6) 0.52 + 0.74 =

1 . 26

(7) 0.18 + 0.92 =

1 . 1

(8) 1.9 + 5.6 =

7 . 5

(9) 4.1 + 2.5 =

6 . 6

(10) 0.92 + 0.91 =

1 . 83

(11) 6.9 + 4 =

10 . 9

(12) 0.13 + 0.94 =

1 . 07

(13) 6.8 + 3.5 =

10 . 3

(14) 7.1 + 5.7 =

12 . 8

(15) 0.6 + 7.7 =

8 . 3

(16) 4.1 + 7.3 =

11 . 4

(17) 1.4 + 1.6 =

3

(18) 1.6 + 5.4 =

7

(19) 0.15 + 0.27 =

0 . 42

(20) 0.93 + 0.84 =

1 . 77

(21) 7 + 5.3 =

12 . 3

(22) 2.7 + 5.7 =

8 . 4

(23) 0.72 + 0.87 =

1 . 59

(24) 0.34 + 0.39 =

0 . 73

(25) 0.15 + 0.69 =

0 . 84

(5)

(1) 5.7 + 3.3 = (2) 4.6 + 9.2 = (3) 5.9 + 7.9 =

(4) 0.29 + 0.27 = (5) 4.9 + 9.4 = (6) 0.07 + 0.98 =

(7) 0.97 + 0.08 = (8) 2.7 + 3.1 = (9) 0.36 + 0.53 =

(10) 0.28 + 0.54 = (11) 7.1 + 8.2 = (12) 5.4 + 0.4 =

(13) 0.63 + 0.63 = (14) 1.6 + 8.8 = (15) 5.5 + 7.9 =

(16) 0.57 + 0.4 = (17) 5.8 + 2.4 = (18) 0.33 + 0.15 =

(19) 0.5 + 3.4 = (20) 0.41 + 0.21 = (21) 8.2 + 7.7 =

(22) 4.1 + 7.5 = (23) 0.37 + 0.9 = (24) 0.43 + 0.17 =

(25) 5.7 + 8.3 =

(6)

(1) 5.7 + 3.3 =

9

(2) 4.6 + 9.2 =

13 . 8

(3) 5.9 + 7.9 =

13 . 8

(4) 0.29 + 0.27 =

0 . 56

(5) 4.9 + 9.4 =

14 . 3

(6) 0.07 + 0.98 =

1 . 05

(7) 0.97 + 0.08 =

1 . 05

(8) 2.7 + 3.1 =

5 . 8

(9) 0.36 + 0.53 =

0 . 89

(10) 0.28 + 0.54 =

0 . 82

(11) 7.1 + 8.2 =

15 . 3

(12) 5.4 + 0.4 =

5 . 8

(13) 0.63 + 0.63 =

1 . 26

(14) 1.6 + 8.8 =

10 . 4

(15) 5.5 + 7.9 =

13 . 4

(16) 0.57 + 0.4 =

0 . 97

(17) 5.8 + 2.4 =

8 . 2

(18) 0.33 + 0.15 =

0 . 48

(19) 0.5 + 3.4 =

3 . 9

(20) 0.41 + 0.21 =

0 . 62

(21) 8.2 + 7.7 =

15 . 9

(22) 4.1 + 7.5 =

11 . 6

(23) 0.37 + 0.9 =

1 . 27

(24) 0.43 + 0.17 =

0 . 6

(25) 5.7 + 8.3 =

14

(7)

(1) 0.96 + 0.82 = (2) 7.9 + 3.1 = (3) 0.46 + 0.45 =

(4) 0.2 + 9.8 = (5) 0.39 + 0.61 = (6) 4.3 + 6.5 =

(7) 0.1 + 0.34 = (8) 0.73 + 0.85 = (9) 1.1 + 1.4 =

(10) 0.77 + 0.33 = (11) 0.82 + 0.85 = (12) 0.37 + 0.9 =

(13) 4.3 + 8.2 = (14) 8.9 + 9 = (15) 0.41 + 0.99 =

(16) 0.18 + 0.95 = (17) 0.38 + 0.11 = (18) 0.79 + 0.93 =

(19) 7.5 + 8.4 = (20) 2.1 + 4.7 = (21) 2.7 + 9.2 =

(22) 4.5 + 5.5 = (23) 6.8 + 6.4 = (24) 6.6 + 7.1 =

(25) 0.19 + 0.53 =

(8)

(1) 0.96 + 0.82 =

1 . 78

(2) 7.9 + 3.1 =

11

(3) 0.46 + 0.45 =

0 . 91

(4) 0.2 + 9.8 =

10

(5) 0.39 + 0.61 =

1

(6) 4.3 + 6.5 =

10 . 8

(7) 0.1 + 0.34 =

0 . 44

(8) 0.73 + 0.85 =

1 . 58

(9) 1.1 + 1.4 =

2 . 5

(10) 0.77 + 0.33 =

1 . 1

(11) 0.82 + 0.85 =

1 . 67

(12) 0.37 + 0.9 =

1 . 27

(13) 4.3 + 8.2 =

12 . 5

(14) 8.9 + 9 =

17 . 9

(15) 0.41 + 0.99 =

1 . 4

(16) 0.18 + 0.95 =

1 . 13

(17) 0.38 + 0.11 =

0 . 49

(18) 0.79 + 0.93 =

1 . 72

(19) 7.5 + 8.4 =

15 . 9

(20) 2.1 + 4.7 =

6 . 8

(21) 2.7 + 9.2 =

11 . 9

(22) 4.5 + 5.5 =

10

(23) 6.8 + 6.4 =

13 . 2

(24) 6.6 + 7.1 =

13 . 7

(25) 0.19 + 0.53 =

0 . 72

(9)

(1) 2.4 + 1.3 = (2) 0.58 + 0.41 = (3) 0.63 + 0.58 =

(4) 0.67 + 0.49 = (5) 4.9 + 8.8 = (6) 0.31 + 0.93 =

(7) 0.58 + 0.21 = (8) 0.76 + 0.28 = (9) 0.57 + 0.49 =

(10) 4.3 + 0.2 = (11) 8.1 + 3.8 = (12) 0.82 + 0.98 =

(13) 0.61 + 0.84 = (14) 8.3 + 1.4 = (15) 0.96 + 0.25 =

(16) 1.8 + 8.6 = (17) 0.5 + 6.3 = (18) 8.8 + 5.6 =

(19) 0.28 + 0.57 = (20) 0.43 + 0.77 = (21) 0.8 + 5.3 =

(22) 0.36 + 0.88 = (23) 0.6 + 5.4 = (24) 2.9 + 4.9 =

(25) 1 + 4.6 =

(10)

(1) 2.4 + 1.3 =

3 . 7

(2) 0.58 + 0.41 =

0 . 99

(3) 0.63 + 0.58 =

1 . 21

(4) 0.67 + 0.49 =

1 . 16

(5) 4.9 + 8.8 =

13 . 7

(6) 0.31 + 0.93 =

1 . 24

(7) 0.58 + 0.21 =

0 . 79

(8) 0.76 + 0.28 =

1 . 04

(9) 0.57 + 0.49 =

1 . 06

(10) 4.3 + 0.2 =

4 . 5

(11) 8.1 + 3.8 =

11 . 9

(12) 0.82 + 0.98 =

1 . 8

(13) 0.61 + 0.84 =

1 . 45

(14) 8.3 + 1.4 =

9 . 7

(15) 0.96 + 0.25 =

1 . 21

(16) 1.8 + 8.6 =

10 . 4

(17) 0.5 + 6.3 =

6 . 8

(18) 8.8 + 5.6 =

14 . 4

(19) 0.28 + 0.57 =

0 . 85

(20) 0.43 + 0.77 =

1 . 2

(21) 0.8 + 5.3 =

6 . 1

(22) 0.36 + 0.88 =

1 . 24

(23) 0.6 + 5.4 =

6

(24) 2.9 + 4.9 =

7 . 8

(25) 1 + 4.6 =

5 . 6

(11)

(1) 0.72 + 0.2 = (2) 0.35 + 0.11 = (3) 0.07 + 0.49 =

(4) 7.4 + 7.9 = (5) 0.03 + 0.95 = (6) 3.4 + 2.2 =

(7) 7.8 + 2.2 = (8) 3.6 + 3.8 = (9) 0.74 + 0.85 =

(10) 0.95 + 0.34 = (11) 0.73 + 0.59 = (12) 3.4 + 4.4 =

(13) 9.8 + 8.7 = (14) 0.44 + 0.37 = (15) 0.79 + 0.1 =

(16) 2.6 + 3.3 = (17) 2.6 + 7.7 = (18) 0.93 + 0.75 =

(19) 0.11 + 0.1 = (20) 2.9 + 3 = (21) 2.2 + 2 =

(22) 0.5 + 0.64 = (23) 0.46 + 0.54 = (24) 6.6 + 8.2 =

(25) 0.33 + 0.6 =

(12)

(1) 0.72 + 0.2 =

0 . 92

(2) 0.35 + 0.11 =

0 . 46

(3) 0.07 + 0.49 =

0 . 56

(4) 7.4 + 7.9 =

15 . 3

(5) 0.03 + 0.95 =

0 . 98

(6) 3.4 + 2.2 =

5 . 6

(7) 7.8 + 2.2 =

10

(8) 3.6 + 3.8 =

7 . 4

(9) 0.74 + 0.85 =

1 . 59

(10) 0.95 + 0.34 =

1 . 29

(11) 0.73 + 0.59 =

1 . 32

(12) 3.4 + 4.4 =

7 . 8

(13) 9.8 + 8.7 =

18 . 5

(14) 0.44 + 0.37 =

0 . 81

(15) 0.79 + 0.1 =

0 . 89

(16) 2.6 + 3.3 =

5 . 9

(17) 2.6 + 7.7 =

10 . 3

(18) 0.93 + 0.75 =

1 . 68

(19) 0.11 + 0.1 =

0 . 21

(20) 2.9 + 3 =

5 . 9

(21) 2.2 + 2 =

4 . 2

(22) 0.5 + 0.64 =

1 . 14

(23) 0.46 + 0.54 =

1

(24) 6.6 + 8.2 =

14 . 8

(25) 0.33 + 0.6 =

0 . 93

(13)

(1) 0.99 + 0.89 = (2) 6.1 + 8.3 = (3) 4.6 + 9.1 =

(4) 0.18 + 0.06 = (5) 2.9 + 4.9 = (6) 5.8 + 9.7 =

(7) 1.3 + 5.8 = (8) 0.64 + 0.16 = (9) 8.8 + 8 =

(10) 2.1 + 4 = (11) 4.8 + 3 = (12) 4.8 + 5.4 =

(13) 0.24 + 0.17 = (14) 0.73 + 0.7 = (15) 0.16 + 0.74 =

(16) 0.02 + 0.21 = (17) 3.9 + 2.9 = (18) 0.39 + 0.83 =

(19) 0.56 + 0.56 = (20) 0.18 + 0.11 = (21) 0.41 + 0.03 =

(22) 0.13 + 0.38 = (23) 0.45 + 0.32 = (24) 0.55 + 0.11 =

(25) 0.91 + 0.45 =

(14)

(1) 0.99 + 0.89 =

1 . 88

(2) 6.1 + 8.3 =

14 . 4

(3) 4.6 + 9.1 =

13 . 7

(4) 0.18 + 0.06 =

0 . 24

(5) 2.9 + 4.9 =

7 . 8

(6) 5.8 + 9.7 =

15 . 5

(7) 1.3 + 5.8 =

7 . 1

(8) 0.64 + 0.16 =

0 . 8

(9) 8.8 + 8 =

16 . 8

(10) 2.1 + 4 =

6 . 1

(11) 4.8 + 3 =

7 . 8

(12) 4.8 + 5.4 =

10 . 2

(13) 0.24 + 0.17 =

0 . 41

(14) 0.73 + 0.7 =

1 . 43

(15) 0.16 + 0.74 =

0 . 9

(16) 0.02 + 0.21 =

0 . 23

(17) 3.9 + 2.9 =

6 . 8

(18) 0.39 + 0.83 =

1 . 22

(19) 0.56 + 0.56 =

1 . 12

(20) 0.18 + 0.11 =

0 . 29

(21) 0.41 + 0.03 =

0 . 44

(22) 0.13 + 0.38 =

0 . 51

(23) 0.45 + 0.32 =

0 . 77

(24) 0.55 + 0.11 =

0 . 66

(25) 0.91 + 0.45 =

1 . 36

(15)

(1) 8.6 + 9 = (2) 0.42 + 0.41 = (3) 0.09 + 0.35 =

(4) 6.4 + 3.7 = (5) 2.1 + 2.3 = (6) 6.9 + 8.5 =

(7) 5.1 + 8.5 = (8) 3 + 5.8 = (9) 0.75 + 0.98 =

(10) 4.2 + 9.7 = (11) 0.94 + 0.85 = (12) 7.4 + 5.1 =

(13) 0.79 + 0.44 = (14) 0.49 + 0.62 = (15) 0.67 + 0.76 =

(16) 0.33 + 0.17 = (17) 3.2 + 4.6 = (18) 0.33 + 0.37 =

(19) 6.4 + 8.3 = (20) 4.5 + 2.1 = (21) 0.98 + 0.91 =

(22) 0.68 + 0.27 = (23) 3.9 + 7.4 = (24) 0.96 + 0.99 =

(25) 6.5 + 5.5 =

(16)

(1) 8.6 + 9 =

17 . 6

(2) 0.42 + 0.41 =

0 . 83

(3) 0.09 + 0.35 =

0 . 44

(4) 6.4 + 3.7 =

10 . 1

(5) 2.1 + 2.3 =

4 . 4

(6) 6.9 + 8.5 =

15 . 4

(7) 5.1 + 8.5 =

13 . 6

(8) 3 + 5.8 =

8 . 8

(9) 0.75 + 0.98 =

1 . 73

(10) 4.2 + 9.7 =

13 . 9

(11) 0.94 + 0.85 =

1 . 79

(12) 7.4 + 5.1 =

12 . 5

(13) 0.79 + 0.44 =

1 . 23

(14) 0.49 + 0.62 =

1 . 11

(15) 0.67 + 0.76 =

1 . 43

(16) 0.33 + 0.17 =

0 . 5

(17) 3.2 + 4.6 =

7 . 8

(18) 0.33 + 0.37 =

0 . 7

(19) 6.4 + 8.3 =

14 . 7

(20) 4.5 + 2.1 =

6 . 6

(21) 0.98 + 0.91 =

1 . 89

(22) 0.68 + 0.27 =

0 . 95

(23) 3.9 + 7.4 =

11 . 3

(24) 0.96 + 0.99 =

1 . 95

(25) 6.5 + 5.5 =

12

(17)

(1) 0.42 + 0.44 = (2) 8.9 + 9.9 = (3) 0.39 + 0.69 =

(4) 0.79 + 0.28 = (5) 6.6 + 9.9 = (6) 0.87 + 0.19 =

(7) 0.83 + 0.64 = (8) 0.47 + 0.17 = (9) 0.42 + 0.09 =

(10) 2.3 + 7.2 = (11) 0.38 + 0.97 = (12) 0.13 + 0.27 =

(13) 3.4 + 9.6 = (14) 8.3 + 8.3 = (15) 0.68 + 0.29 =

(16) 3.3 + 7.9 = (17) 5.7 + 8.4 = (18) 0.32 + 0.49 =

(19) 2.2 + 6.5 = (20) 3.5 + 4 = (21) 5.6 + 1.6 =

(22) 0.25 + 0.25 = (23) 0.84 + 0.17 = (24) 0.85 + 0.6 =

(25) 5.1 + 7.6 =

(18)

(1) 0.42 + 0.44 =

0 . 86

(2) 8.9 + 9.9 =

18 . 8

(3) 0.39 + 0.69 =

1 . 08

(4) 0.79 + 0.28 =

1 . 07

(5) 6.6 + 9.9 =

16 . 5

(6) 0.87 + 0.19 =

1 . 06

(7) 0.83 + 0.64 =

1 . 47

(8) 0.47 + 0.17 =

0 . 64

(9) 0.42 + 0.09 =

0 . 51

(10) 2.3 + 7.2 =

9 . 5

(11) 0.38 + 0.97 =

1 . 35

(12) 0.13 + 0.27 =

0 . 4

(13) 3.4 + 9.6 =

13

(14) 8.3 + 8.3 =

16 . 6

(15) 0.68 + 0.29 =

0 . 97

(16) 3.3 + 7.9 =

11 . 2

(17) 5.7 + 8.4 =

14 . 1

(18) 0.32 + 0.49 =

0 . 81

(19) 2.2 + 6.5 =

8 . 7

(20) 3.5 + 4 =

7 . 5

(21) 5.6 + 1.6 =

7 . 2

(22) 0.25 + 0.25 =

0 . 5

(23) 0.84 + 0.17 =

1 . 01

(24) 0.85 + 0.6 =

1 . 45

(25) 5.1 + 7.6 =

12 . 7

(19)

(1) 6.7 + 1.2 = (2) 0.92 + 0.62 = (3) 3.5 + 9.9 =

(4) 0.87 + 0.65 = (5) 0.53 + 0.24 = (6) 1.1 + 5.3 =

(7) 8.9 + 7.4 = (8) 0.81 + 0.28 = (9) 0.62 + 0.56 =

(10) 9.7 + 6.3 = (11) 7.3 + 6.9 = (12) 2.6 + 1.8 =

(13) 0.37 + 0.53 = (14) 1.7 + 6.1 = (15) 0.21 + 0.84 =

(16) 6.9 + 3.6 = (17) 0.19 + 0.45 = (18) 4.4 + 7.9 =

(19) 0.54 + 0.05 = (20) 1.9 + 5.7 = (21) 7.6 + 8.6 =

(22) 0.12 + 0.75 = (23) 5.9 + 7.1 = (24) 2.1 + 8.6 =

(25) 1.7 + 2.5 =

(20)

(1) 6.7 + 1.2 =

7 . 9

(2) 0.92 + 0.62 =

1 . 54

(3) 3.5 + 9.9 =

13 . 4

(4) 0.87 + 0.65 =

1 . 52

(5) 0.53 + 0.24 =

0 . 77

(6) 1.1 + 5.3 =

6 . 4

(7) 8.9 + 7.4 =

16 . 3

(8) 0.81 + 0.28 =

1 . 09

(9) 0.62 + 0.56 =

1 . 18

(10) 9.7 + 6.3 =

16

(11) 7.3 + 6.9 =

14 . 2

(12) 2.6 + 1.8 =

4 . 4

(13) 0.37 + 0.53 =

0 . 9

(14) 1.7 + 6.1 =

7 . 8

(15) 0.21 + 0.84 =

1 . 05

(16) 6.9 + 3.6 =

10 . 5

(17) 0.19 + 0.45 =

0 . 64

(18) 4.4 + 7.9 =

12 . 3

(19) 0.54 + 0.05 =

0 . 59

(20) 1.9 + 5.7 =

7 . 6

(21) 7.6 + 8.6 =

16 . 2

(22) 0.12 + 0.75 =

0 . 87

(23) 5.9 + 7.1 =

13

(24) 2.1 + 8.6 =

10 . 7

(25) 1.7 + 2.5 =

4 . 2

参照