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MathematicsGrade 3en

⚖️ Equality and Unknowns

Master the fundamentals of equality and inequality in number sentences. This quiz covers finding missing addends and factors, balancing equations, using variables as placeholders, and solving one-step word problems with unknowns. **What you'll learn:** - Understand the meaning of equality ($=$) and inequality ($\neq$, $<$, $>$) - Find missing numbers in addition and multiplication number sentences - Balance equations by identifying missing values - Use variables to represent unknown quantities - Verify solutions by checking work

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Questions in this quiz

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  1. Question 1

    Which number sentence shows that two quantities are equal?

  2. Question 2

    The number sentence 7+2=97 + 2 = 9 shows inequality.

  3. Question 3

    What is the missing number in this addition sentence? 6+_=116 + \_ = 11

  4. Question 4

    Which symbol should replace the ★ to make this true? 9−49 - 4 ★ 66

  5. Question 5

    Solve for xx: x+7=12x + 7 = 12. What is the value of xx?

  6. Question 6

    The variable bb represents an unknown number that we are trying to find.

  7. Question 7

    Which number makes this number sentence true? 3×_=153 \times \_ = 15

  8. Question 8

    Sarah has some stickers. She gives away 4 stickers and has 8 left. How many stickers did Sarah start with? Let ss represent the starting number of stickers.

  9. Question 9

    Which equation can be used to check if x=9x = 9 is a solution to x+6=15x + 6 = 15?

  10. Question 10

    3×4=4×33 \times 4 = 4 \times 3

  11. Question 11

    What is the missing factor in this multiplication sentence? _×6=18\_ \times 6 = 18

  12. Question 12

    Which number sentence shows an inequality?

  13. Question 13

    Tom has 14 pencils. He wants to share them equally among 2 friends. How many pencils does each friend get? Let pp represent the number of pencils each friend gets.

  14. Question 14

    The greater-than symbol >> means the number on the left is smaller than the number on the right.

  15. Question 15

    Which shows a balanced equation?

  16. Question 16

    If n+8=14n + 8 = 14, what is the value of nn?

  17. Question 17

    12>912 > 9 is a true number sentence.