Grade 1 Math Practice Test: The Equal Sign and Missing Numbers
- The Equal Sign and Missing Numbers
- 10 questions
- 12 minutes
The equal sign means both sides have the same value. Work out each side on its own, then check that the two sides match.
Tap an option to mark your answer. You can change your mind, or tap the same option again to leave the question blank. The correct answers and explanations appear when you finish the test.Tap an option to answer; tap it again to leave the question blank.
Your result
- 0 correct
- 0 wrong
- 0 blank
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Question 1
Which number sentence is true?
Correct answer: A
Both sides equal 8, so 6 + 2 = 5 + 3 is true. In 7 = 7 + 1 the right side is 8, not 7.
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Question 2
What does the equal sign (=) mean?
Correct answer: D
The equal sign tells us both sides are worth the same amount. That is why 8 = 5 + 3 is true even with the sum on the right.
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Question 3
Which number makes this true?
8 = ___ + 3
Correct answer: B
5 + 3 = 8, so the missing number is 5. The answer 11 adds 8 and 3, but 8 is already the total.
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Question 4
Which number makes this true?
10 + ___ = 7 + 5
Correct answer: C
The right side is 7 + 5 = 12, so the left side must be 12 too: 10 + 2 = 12. Writing 12 puts the sum in the blank instead.
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Question 5
Which number sentence is true?
Correct answer: A
Both sides are 12, so it is true. The sentence 10 − 4 = 5 is false because 10 − 4 = 6.
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Question 6
Which number makes this true?
14 − ___ = 9
Correct answer: C
14 − 5 = 9 because 9 + 5 = 14. The answer 23 adds the numbers instead of finding what was taken away.
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Question 7
Which number makes this true?
___ + 7 = 7 + 4
Correct answer: B
Changing the order of the addends keeps the sum the same, so 4 + 7 = 7 + 4. Both sides equal 11.
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Question 8
Dan writes this number sentence:
5 + 4 = 9 + 2
Is Dan right?
Correct answer: D
The left side is 5 + 4 = 9 and the right side is 9 + 2 = 11, so the sides are not equal. Seeing 9 next to the equal sign does not make it true.
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Question 9
Which number makes this true?
3 + 6 = ___ + 5
Correct answer: B
The left side is 9, so the right side must be 9: 4 + 5 = 9. Writing 9 forgets the + 5 on the right side.
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Question 10
Which number makes this true?
16 − 8 = 4 + ___
Correct answer: A
The left side is 16 − 8 = 8, and 4 + 4 = 8. The answer 8 puts the value of the left side in the blank.
Questions you leave blank are not counted as wrong.
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