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Worksheet: Estimating Decimals Sums

Q1:

1 . 3 5 6 5 + 2 . 2 5 2 to the nearest thousandth.

Q2:

Calculate 8 2 . 0 4 9 + 5 . 3 , rounding your answer to the nearest tenth.

Q3:

Complete 8 2 3 7 1 0 0 0 + 3 8 9 2 0 0 to the nearest hundredth.

Q4:

5 4 9 9 2 , 0 0 0 + 7 1 , 3 1 1 2 , 5 0 0 to the nearest thousandth.

Q5:

Two pieces of cloth are 291.67 m and 455.196 m long. Find the sum of their lengths. Give your answer to the nearest hundredth of a meter.

  • A 746.86 m
  • B 746.866 m
  • C 700 m
  • D 746.87 m
  • E 750 m

Q6:

1 7 . 3 7 6 + 1 8 . 1 2 to the nearest hundredth.