Math: Double Fact & Near Double Fact

Question 1

1+1=?

Answer 1

1+1=2

Question 2

1+2=?

Answer 2

1+2=3

Question 3

10+10=?

Answer 3

10+10=20

Question 4

10+11=?

Answer 4

10+11=21

Question 5

2+2=?

Answer 5

2+2=4

Question 6

2+3=?

Answer 6

2+3=5

Question 7

3+3=?

Answer 7

3+3=6

Question 8

3+4=?

Answer 8

3+4=7

Question 9

4+4=?

Answer 9

4+4=8

Question 10

4+5=?

Answer 10

4+5=9

Question 11

5+5=?

Answer 11

5+5=10

5+4=9
5+5=10

5+6=11

Question 12

5+6=?

Answer 12

5+6=11

Question 13

6+6=?

Answer 13

6+6=12

Question 14

6+7=?

Answer 14

6+7=13

Question 15

7+7=?

Answer 15

7+7=14

Question 16

7+8=?

Answer 16

7+8=15

Question 17

8+8=?

Answer 17

8+8=16

Question 18

8+9=?

Answer 18

8+9=17

Question 19

9+10=?

Answer 19

9+10=19

Question 20

9+9=?

Answer 20

9+9=18