math

Front

2+5+8

Back

15

Answer explanation

To solve 2 + 5 + 8, add the numbers sequentially: 2 + 5 = 7, then 7 + 8 = 15. Therefore, the correct answer is 15.

Front

2+9+8

Back

19

Answer explanation

To solve 2 + 9 + 8, first add 2 and 9 to get 11. Then, add 8 to 11, resulting in 19. Therefore, the correct answer is 19.

Front

2+5

Back

7

Answer explanation

The expression 2 + 5 equals 7. Therefore, the correct answer is 7.

Front

26+9

Back

35

Answer explanation

To solve 26 + 9, add the two numbers together: 26 + 9 = 35. Therefore, the correct answer is 35.

Front

3+4

Back

7

Answer explanation

The correct answer to 3+4 is 7. Adding 3 and 4 together gives a total of 7, which is one of the answer choices provided.

Front

15+5

Back

20

Answer explanation

To solve 15 + 5, simply add the two numbers together. 15 plus 5 equals 20, which is the correct answer. The other options (15, 25, 30) are incorrect.

Front

10+10+5

Back

25

Answer explanation

To solve 10 + 10 + 5, first add 10 + 10 to get 20, then add 5 to get 25. Therefore, the correct answer is 25.