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Class 5 · Arithmetic

Understanding Integers — test yourself

Twelve questions on the numbers above and below zero. They cover putting integers in order on the number line, adding, subtracting, multiplying and dividing them.

12 questions, one mark each. 8 to pass. Suggested time: 10 minutes. Your answers are not recorded.

  1. Which of these is the smallest number: −3-3, 22, −9-9, 00?
  2. Which integer is one step to the left of −6-6 on the number line?
  3. What is −7−6-7 - 6?
  4. What is −15+40-15 + 40?
  5. What is 7−(−2)7 - (-2)?
  6. What is (−4)×7(-4) \times 7?
  7. Put these integers in order, smallest first: 44, −2-2, 00, −7-7, 11.
  8. Subtract −6-6 from −10-10.
  9. What is (−45)÷9(-45) \div 9?
  10. What is 12÷012 \div 0?
  11. What is 14+26−9−3114 + 26 - 9 - 31?
  12. The temperature falls 33 degrees every hour for 55 hours. Written as a multiplication, that is (−3)×5(-3) \times 5. What is the change in temperature?
Unanswered questions are marked wrong.