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Worksheet: Estimating Quotients Using Compatible Numbers

Q1:

We can use multiples of 5 to estimate the answer to 8 2 ÷ 5 .

Number 13 14 15 16 17
Number × 5 65 70

Think about the missing numbers in the table to answer the questions.

82 is closest to × 5 .

So, 8 2 ÷ 5 is about .

Q2:

Liam is using facts he knows to estimate 3 4 7 ÷ 6 .

What is 3 6 0 ÷ 6 ?

Pick the number which is closest to 3 4 7 ÷ 6 .

  • A60
  • B45
  • C72
  • D6
  • E50

Q3:

Scarlett has made a table of multiples of 8. Use the table to help her estimate 3 7 1 ÷ 8 .

Number 45 46 47 48 49
Number × 8 360 368 376 384 392

Find the missing multiples of 8 to finish the sentence:

371 is between and .

  • A360, 368
  • B376, 384
  • C384, 392
  • D368, 376

So, 3 7 1 ÷ 8 is about .

Hint: Which of the two numbers is it closer to?