Mastering Integers: Operations Challenge

Front

7 + 5

Back

12

Answer explanation

To find 7 + 5, simply add the two numbers together. 7 plus 5 equals 12, which is the correct answer. The other options (14, 10, and 8) are incorrect.

Front

Calculate 15 - 9.

Back

6

Answer explanation

To calculate 15 - 9, subtract 9 from 15. This gives you 6, which is the correct answer. The other options (8, 5, 7) are incorrect.

Front

8 × 3

Back

24

Answer explanation

To find 8 × 3, multiply 8 by 3. This equals 24, which is the correct answer. The other options (20, 18, and 30) do not result from this multiplication.

Front

20 ÷ 4

Back

5

Answer explanation

To find the result of 20 ÷ 4, divide 20 by 4. This equals 5, which is the correct answer. The other options (8, 6, and 4) are incorrect.

Front

-3 + 6

Back

3

Answer explanation

To solve -3 + 6, add 6 to -3. This is the same as moving 3 units up from -3 on the number line, resulting in 3. Therefore, the correct answer is 3.

Front

Calculate -8 - 5.

Back

-13

Answer explanation

To calculate -8 - 5, you subtract 5 from -8. This results in -13, as moving 5 units left from -8 on the number line gives -13. Therefore, the correct answer is -13.

Front

12 × -2

Back

-24

Answer explanation

To find 12 × -2, multiply 12 by -2. The product of a positive number and a negative number is negative. Thus, 12 × -2 = -24, making -24 the correct answer.

Front

-16 ÷ 4

Back

-4

Answer explanation

To find -16 ÷ 4, divide -16 by 4. The result is -4, since dividing a negative number by a positive number yields a negative result. Thus, the correct answer is -4.

Front

9 + (-4)

Back

5

Answer explanation

To solve 9 + (-4), subtract 4 from 9. This gives 9 - 4 = 5. Therefore, the correct answer is 5.

Front

Calculate -7 + 3.

Back

-4

Answer explanation

To calculate -7 + 3, start at -7 on the number line and move 3 units to the right. This results in -4, which is the correct answer.