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Worksheet: Estimating Sums, Differences, Products, and Quotients of Mixed Numbers

Q1:

By rounding each term to a whole number, estimate 5 4 5 ÷ 2 1 2 .

Q2:

By rounding each term to a whole number, estimate 8 1 3 ÷ 3 4 5 .

Q3:

By rounding each term to a whole number, estimate 7 1 0 1 1 ÷ 4 1 3 .

Q4:

By rounding each term to a whole number, estimate 9 3 4 ÷ 4 1 0 1 1 .

Q5:

By rounding each term to a whole number, estimate 8 1 5 ÷ 4 1 3 .

Q6:

Estimate 5 3 8 7 2 1 1 5 1 4 .

  • A5
  • B12
  • C6
  • D10

Q7:

Estimate 9 1 1 2 8 5 6 5 4 5 .

  • A36
  • B30
  • C40
  • D27

Q8:

Estimate 9 7 1 1 9 1 3 2 1 4 .

  • A60
  • B63
  • C54
  • D70

Q9:

Estimate 3 7 9 5 1 1 1 2 + 4 1 6 .

  • A44
  • B30
  • C33
  • D40

Q10:

12 pounds of oatmeal are going to be packaged in bags that hold 3 5 9 pounds each. By rounding to whole numbers, estimate the number of bags that will be used.

  • A2
  • B4
  • C48
  • D3
  • E16