Grade 4Mathpractice16 questions

Rounding and negative numbers

Grade 4: round to the nearest 10, 100 and 1000, estimate answers, count back through zero, negative temperatures, Roman numerals to 100.

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Free to play. Teams answer on one screen; your phone is the remote. No student devices.

Questions

  1. What is 63 rounded to the nearest 10?

    • 50
    • 60
    • 65
    • 70
    Show answer60

  2. What is 450 rounded to the nearest 100?

    • 400
    • 450
    • 500
    • 550
    Show answer500

  3. What is 3,640 rounded to the nearest 1000?

    • 3000
    • 3600
    • 3700
    • 4000
    Show answer4000

  4. What is 1,284 rounded to the nearest 100?

    • 1000
    • 1200
    • 1280
    • 1300
    Show answer1300

  5. To estimate 48 + 31, which sum of rounded numbers is best?

    • 40 + 30
    • 40 + 40
    • 50 + 30
    • 50 + 40
    Show answer50 + 30

  6. Round 318 and 487 to the nearest 100, then add. What is the total?

    • 600
    • 700
    • 800
    • 900
    Show answer800

  7. Count back: 3, 2, 1, 0, … What number comes next?

    • -1
    • -3
    • 0
    • 1
    Show answer-1

  8. The temperature is 2°C and falls by 5 degrees. What is it now?

    • -2°C
    • -3°C
    • -7°C
    • 3°C
    Show answer-3°C

  9. Which temperature is the coldest?

    • -2°C
    • -5°C
    • -8°C
    • 0°C
    Show answer-8°C

  10. Which Roman numeral means 40?

    • LX
    • LXX
    • XC
    • XL
    Show answerXL

  11. -4 is greater than -1. (True or false?)

    Show answerFalse

  12. 3,500 rounded to the nearest 1000 is 4000. (True or false?)

    Show answerTrue

  13. The Roman numeral XIV stands for 14. (True or false?)

    Show answerTrue

  14. What is 7,951 rounded to the nearest 1000? (Answer out loud)

    Show answer8000

  15. Start at 4 and count back 6. Which number do you reach? (Answer out loud)

    Show answer-2

  16. Write 94 in Roman numerals. (Answer out loud)

    Show answerXCIV

Play it as a game

Hoop ShotAnswer right to shoot: close for 2, middle for 3, far for 5. The further, the harder.Penalty KickAnswer right to take a penalty: left or right for 2, the top corner for 3. Will the keeper save it?Fishing PondAnswer right to cast at a buoy: fish worth 1 to 3, the golden fish for 5, or a silly old boot!Claw MachineAnswer right to work the claw: grab a plush prize, but the big ones slip more often!

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