Worksheet: Estimating Products by Rounding Two-Digit Numbers

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

Q2:

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

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

Q3:

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

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

Q4:

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

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

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

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