Step: 1

We know that 4 + 8 = 12.

Step: 2

The opposite number sentence for this is 12 - 8 = 4.

Step: 3

So, 4 + 8 = 12 will help us solve the problem.

The other three number sentences listed are wrong.

4 + 4 is not equal to 12.

8 + 8 is not equal to 12.

8 - 4 is not equal to 12.

The other three number sentences listed are wrong.

4 + 4 is not equal to 12.

8 + 8 is not equal to 12.

8 - 4 is not equal to 12.

Correct Answer is : 4 + 8 = 12

Step: 1

We know that 5 + 9 = 14.

Step: 2

The opposite number sentence for this is 14 - 5 = 9.

Step: 3

So, 5 + 9 = 14 will help us solve the problem.

The other three number sentences listed are wrong.

5 + 7 is not equal to 14.

5 + 5 is not equal to 14.

5 + 8 is not equal to 14.

The other three number sentences listed are wrong.

5 + 7 is not equal to 14.

5 + 5 is not equal to 14.

5 + 8 is not equal to 14.

Correct Answer is : 5 + 9 = 14

- Rounding Whole Numbers to nearest 10 or 100-Gr 3-Solved Examples
- Adding Whole Numbers through 999 with Regrouping-Gr 3-Solved Examples
- Adding Whole Numbers without Regrouping - 3 + 3-Gr 3-Solved Examples
- Subtracting Whole Numbers through 999 with Regrouping-Gr 3-Solved Examples
- Subtracting with 2 or 3 Digit Whole Numbers without Regrouping-Gr 3-Solved Examples
- Multiplying One-Digit Numbers with Multiples of 10-Gr 3-Solved Examples
- Exploring Commutative Property of Addition-Gr 3-Solved Examples
- Exploring Associative Property of Addition-Gr 3-Solved Examples

- Additive Inverses