Pre-algebra - Addition Facts

Question 1

1 + 1 =?

Answer 1

1 + 1 = 2

Question 2

1 + 2 = ?
2 + 1 = ?

Answer 2

1 + 2 = 3
2 + 1 = 3

Question 3

1 + 3 = ?
3 + 1 = ?

Answer 3

1 + 3 = 4
3 + 1 = 4

Question 4

1 + 4 = ?
4 + 1 = ?

Answer 4

1 + 4 = 5
4 + 1 = 5

Question 5

1 + 5 = ?
5 + 1 = ?

Answer 5

1 + 5 = 6
5 + 1 = 6

Question 6

1 + 6 = ?
6 + 1 = ?

Answer 6

1 + 6 = 7
6 + 1 = 7

Question 7

1 + 7 = ?
7 + 1 = ?

Answer 7

1 + 7 = 8
7 + 1 = 8

Question 8

1 + 8 = ?
8 + 1 = ?

Answer 8

1 + 8 = 9
8 + 1 = 9

Question 9

1 + 9 = ?
9 + 1 = ?

Answer 9

1 + 9 = 10
9 + 1 = 10

Question 10

1 + 10 = ?
10 + 1 = ?

Answer 10

1 + 10 = 11
10 + 1 = 11

Question 11

1 + 11 = ?
11 + 1 = ?

Answer 11

1 + 11 = 12
11 + 1 = 12

Question 12

1 + 12 = ?
12 + 1 = ?

Answer 12

1 + 12 = 13
12 + 1 = 13

Question 13

2 + 2 = ?

Answer 13

2 + 2 = 4

Question 14

2 + 3 = ?
3 + 2 = ?

Answer 14

2 + 3 = 5
3 + 2 = 5

Question 15

2 + 4 = ?
4 + 2 = ?

Answer 15

2 + 4 = 6
4 + 2 = 6

Question 16

2 + 5 = ?
5 + 2 = ?

Answer 16

2 + 5 = 7
5 + 2 = 7

Question 17

2 + 6 = ?
6 + 2 = ?

Answer 17

2 + 6 = 8
6 + 2 = 8

Question 18

2 + 7 = ?
7 + 2 = ?

Answer 18

2 + 7 = 9
7 + 2 = 9

Question 19

2 + 8 = ?
8 + 2 = ?

Answer 19

2 + 8 = 10
8 + 2 = 10

Question 20

2 + 9 = ?
9 + 2 = ?

Answer 20

2 + 9 = 11
9 + 2 = 11

Question 21

2 + 10 = ?
10 + 2 = ?

Answer 21

2 + 10 = 12
10 + 2 = 12

Question 22

2 + 11 = ?
11 + 2 = ?

Answer 22

2 + 11 = 13
11 + 2 = 13

Question 23

2 + 12 = ?
12 + 2 = ?

Answer 23

2 + 12 = 14
12 + 2 = 14

Question 24

3 + 3 = ?

Answer 24

3 + 3 = 6

Question 25

3 + 4 = ? 4 + 3 = ?

Answer 25

3 + 4 = 7 4 + 3 = 7

Question 26

3 + 5 = ? 5 + 3 = ?

Answer 26

3 + 5 = 8 5 + 3 = 8

Question 27

3 + 6 = ? 6 + 3 = ?

Answer 27

3 + 6 = 9 6 + 3 = 9

Question 28

3 + 7 = ? 7 + 3 = ?

Answer 28

3 + 7 = 10 7 + 3 = 10

Question 29

3 + 8 = ? 8 + 3 = ?

Answer 29

3 + 8 = 11 8 + 3 = 11

Question 30

3 + 9 = ? 9 + 3 = ?

Answer 30

3 + 9 = 12 9 + 3 = 12

Question 31

3 + 10 = ? 10 + 3 = ?

Answer 31

3 + 10 = 13 10 + 3 = 13

Question 32

3 + 11 = ? 11 + 3 = ?

Answer 32

3 + 11 = 14 11 + 3 = 14

Question 33

3 + 12 = ? 12 + 3 = ?

Answer 33

3 + 12 = 15 12 + 3 = 15

Question 34

4 + 4 = ?

Answer 34

4 + 4 = 8

Question 35

4 + 5 = ? 5 + 4 = ?

Answer 35

4 + 5 = 9 5 + 4 = 9

Question 36

4 + 6 = ? 6 + 4 = ?

Answer 36

4 + 6 = 10 6 + 4 = 10

Question 37

4 + 7 = ? 7 + 4 = ?

Answer 37

4 + 7 = 11 7 + 4 = 11

Question 38

4 + 8 = ? 8 + 4 = ?

Answer 38

4 + 8 = 12 8 + 4 = 12

Question 39

4 + 9 = ? 9 + 4 = ?

Answer 39

4 + 9 = 13 9 + 4 = 13

Question 40

4 + 10 = ? 10 + 4 = ?

Answer 40

4 + 10 = 14 10 + 4 = 14

Question 41

4 + 11 = ? 11 + 4 = ?

Answer 41

4 + 11 = 15 11 + 4 = 15

Question 42

4 + 12 = ? 12 + 4 = ?

Answer 42

4 + 12 = 16 12 + 4 = 16

Question 43

5 + 5 = ?

Answer 43

5 + 5 = 10

Question 44

5 + 6 = ? 6 + 5 = ?

Answer 44

5 + 6 = 11 6 + 5 = 11

Question 45

5 + 7 = ? 7 + 5 = ?

Answer 45

5 + 7 = 12 7 + 5 = 12

Question 46

5 + 8 = ? 8 + 5 = ?

Answer 46

5 + 8 = 13 8 + 5 = 13

Question 47

5 + 9 = ? 9 + 5 = ?

Answer 47

5 + 9 = 14 9 + 5 = 14

Question 48

5 + 10 = ? 10 + 5 = ?

Answer 48

5 + 10 = 15 10 + 5 = 15

Question 49

5 + 11 = ? 11 + 5 = ?

Answer 49

5 + 11 = 16 11 + 5 = 16

Question 50

5 + 12 = ? 12 + 5 = ?

Answer 50

5 + 12 = 17 12 + 5 = 17

Question 51

6 + 6 = ?

Answer 51

6 + 6 = 12

Question 52

6 + 7 = ? 7 + 6 = ?

Answer 52

6 + 7 = 13 7 + 6 = 13

Question 53

6 + 8 = ? 8 + 6 = ?

Answer 53

6 + 8 = 14 8 + 6 = 14

Question 54

6 + 9 = ? 9 + 6 = ?

Answer 54

6 + 9 = 15 9 + 6 = 15

Question 55

6 + 10 = ? 10 + 6 = ?

Answer 55

6 + 10 = 16 10 + 6 = 16

Question 56

6 + 11 = ? 11 + 6 = ?

Answer 56

6 + 11 = 17 11 + 6 = 17

Question 57

6 + 12 = ? 12 + 6 = ?

Answer 57

6 + 12 = 18 12 + 6 = 18

Question 58

7 + 7 = ?

Answer 58

7 + 7 = 14

Question 59

7 + 8 = ? 8 + 7 = ?

Answer 59

7 + 8 = 15 8 + 7 = 15

Question 60

7 + 9 = ? 9 + 7 = ?

Answer 60

7 + 9 = 16 9 + 7 = 16

Question 61

7 + 10 = ? 10 + 7 = ?

Answer 61

7 + 10 = 17 10 + 7 = 17

Question 62

7 + 11 = ? 11 + 7 = ?

Answer 62

7 + 11 = 18 11 + 7 = 18

Question 63

7 + 12 = ? 12 + 7 = ?

Answer 63

7 + 12 = 19 12 + 7 = 19

Question 64

8 + 8 = ?

Answer 64

8 + 8 = 16

Question 65

8 + 9 = ? 9 + 8 = ?

Answer 65

8 + 9 = 17 9 + 8 = 17

Question 66

8 + 10 = ? 10 + 8 = ?

Answer 66

8 + 10 = 18 10 + 8 = 18

Question 67

8 + 11 = ? 11 + 8 = ?

Answer 67

8 + 11 = 19 11 + 8 = 19

Question 68

8 + 12 = ? 12 + 8 = ?

Answer 68

8 + 12 = 20 12 + 8 = 20

Question 69

9 + 9 = ?

Answer 69

9 + 9 = 18

Question 70

9 + 10 = ? 10 + 9 = ?

Answer 70

9 + 10 = 19 10 + 9 = 19

Question 71

9 + 11 = ? 11 + 9 = ?

Answer 71

9 + 11 = 20 11 + 9 = 20

Question 72

9 + 12 = ? 12 + 9 = ?

Answer 72

9 + 12 = 21 12 + 9 = 21

Question 73

10 + 10 = ?

Answer 73

10 + 10 = 20

Question 74

10 + 11 = ? 11 + 10 = ?

Answer 74

10 + 11 = 21 11 + 10 = 21

Question 75

10 + 12 = ? 12 + 10 = ?

Answer 75

10 + 12 = 22 12 + 10 = 22

Question 76

11 + 11 = ?

Answer 76

11 + 11 = 22

Question 77

11 + 12 = ? 12 + 11 = ?

Answer 77

11 + 12 = 23 12 + 11 = 23

Question 78

12 + 12 = ?

Answer 78

12 + 12 = 24