Equal Sign & True/False Equations — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. 4 + 3 = ___ + 2. What is the missing number?
A) 3
B) 5
C) 6
D) 7
4 + 3 is 7, and 5 + 2 is also 7, so 5 balances.
2. 2 + 5 = 3 + ___. What is the missing number?
A) 2
B) 3
C) 4
D) 5
2 + 5 is 7, and 3 + 4 is 7, so 4 balances.
3. 6 + 1 = ___ + 3. What is the missing number?
A) 2
B) 3
C) 4
D) 5
4 + 3 is 7, matching 6 + 1, so 4 is correct.
4. 1 + 8 = 5 + ___. What is the missing number?
A) 2
B) 3
C) 4
D) 5
1 + 8 is 9, and 5 + 4 is 9, so 4 balances.
Part B: Fill in the Blank
Write the correct answer on each line.
1. 5 + 2 = 3 + 4
Both sides total 7 when the blank is 3.
2. 6 + 3 = 4 + 5
Both sides equal 9 when the blank is 5.
3. 6 + 2 = 3 + 5
Both sides equal 8 when the blank is 6.
4. 7 + 1 = 2 + 6
Both sides equal 8 when the blank is 6.
5. 4 + 4 = 5 + 3
Both sides total 8 when the blank is 5.