Printable answer key

Maths Problem Solving Starter

Use this answer key after players complete the quiz or when reviewing a printed worksheet.

  1. 1. A bus has 36 seats. If 27 seats are filled, how many seats are empty?

    Correct answer: C. 9

    Explanation: Subtract filled seats from total seats: 36 - 27 = 9 empty seats.

  2. 2. Which operation finds the total cost of 4 notebooks at 3 dollars each?

    Correct answer: A. Multiplication

    Explanation: Use multiplication because there are 4 equal groups of 3 dollars.

  3. 3. What is 15 percent of 200?

    Correct answer: C. 30

    Explanation: Ten percent of 200 is 20 and five percent is 10, so 15 percent is 30.

  4. 4. A recipe uses 2 cups of flour for 8 muffins. How many cups are needed for 16 muffins?

    Correct answer: C. 4 cups

    Explanation: Sixteen muffins is double 8 muffins, so double the flour from 2 cups to 4 cups.

  5. 5. Which number makes 7 x ? = 56 true?

    Correct answer: C. 8

    Explanation: Seven times eight equals 56.

  6. 6. Which is the best estimate for 49 x 21?

    Correct answer: B. 1000

    Explanation: Round 49 to 50 and 21 to 20. Then 50 x 20 = 1000.

  7. 7. A square has a perimeter of 24 cm. How long is one side?

    Correct answer: C. 6 cm

    Explanation: A square has four equal sides, so 24 divided by 4 equals 6 cm.

  8. 8. Which fraction is closest to 1?

    Correct answer: D. 9/10

    Explanation: Nine tenths is only one tenth away from 1, closer than the other choices.

  9. 9. A pattern adds 5 each time: 12, 17, 22. What comes next?

    Correct answer: C. 27

    Explanation: Add 5 to 22 to get 27.

  10. 10. Three friends share 18 stickers equally. How many stickers does each friend get?

    Correct answer: B. 6

    Explanation: Divide 18 stickers by 3 friends: 18 divided by 3 equals 6.