Integer Operations

-10 + 4

• -14

• 14

• -6

• 6

Answer explanation

To find the result, subtract -10 from 4, which gives -6. Therefore, the correct answer is -6.

-20 + (-11)

• 31

• 9

• -9

• -31

Answer explanation

To find the sum of -20 and -11, we add the numbers together: -20 + (-11) = -31. Therefore, the correct answer is -31.

-12 + 9

• 21

• 3

• -3

• -21

Answer explanation

To find the sum of -12 and 9, we subtract 12 from 9, which gives us -3. Therefore, the correct answer is -3.

-9 + 9

• 18

• -18

• 0

• 81

Answer explanation

The correct answer is 0 because -9 + 9 equals 0. When you add a negative number and its positive counterpart, they cancel each other out resulting in 0.

-2 + 10

• 8

• -8

• 12

• -12

Answer explanation

To find the sum of -2 and 10, we add them together: -2 + 10 = 8. Therefore, the correct answer is 8.

7 + (-14)

• 7

• 21

• -21

• -7

Answer explanation

To find the sum of 7 + (-14), we subtract 14 from 7 which gives us -7. Therefore, the correct answer is -7.

-4 + 9

• 5

• -5

• 13

• -13

Answer explanation

To find the sum of -4 and 9, we add them together: -4 + 9 = 5. Therefore, the correct answer is 5.

- 9 + 7

• -2

• 2

• 16

• -16

Answer explanation

To find the sum of 9 + 7, you simply add the two numbers together which equals 16. Therefore, the correct answer is 16.

-23 + 51

• -74

• 28

• 41

• 51

Answer explanation

To find the sum of -23 and 51, you need to add the numbers together which results in 28. Therefore, the correct answer is 28.

What problem is modeled on the number line above?

• 5 + 4 = -1

• -5 + 4 = -1

• 5 + (-4) = -1

• -1 + (-4) = -5

Answer explanation

The correct choice is -5 + 4 = -1. This is because when you start at -5 on the number line and move 4 units to the right, you end up at -1.