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Worksheet: Estimating Products by Rounding

In this worksheet, we will practice estimating the product of two positive two-digit numbers by rounding, without using a calculator.

Q1:

Which of the following is closest to 1 1 × 2 1 ?

  • A 20
  • B 2 000
  • C 20 000
  • D 200

Q2:

Which of the following is closest to 1 6 × 8 2 ?

  • A 130
  • B 13 000
  • C 130 000
  • D 1 300

Q3:

Which of the following is closest to 9 1 × 7 3 ?

  • A 660
  • B 66 000
  • C 660 000
  • D 6 600

Q4:

Which of the following is closest to 8 2 × 4 8 ?

  • A 390
  • B 39 000
  • C 390 000
  • D 3 900

Q5:

Which of the following is closest to 6 6 × 5 7 ?

  • A 380
  • B 38 000
  • C 380 000
  • D 3 800

Q6:

Which of the following is closest to 7 9 × 4 6 ?

  • A 360
  • B 36 000
  • C 360 000
  • D 3 600

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