Adding and subtracting decimals

Line up the points, not the ends.

print a sheet of all 3 →  ·  the same sheet with answers, for a grown-up

• G21-A132 marksSINGA 2021 Assessment — Primary 4 (SMC Practice Book)

  Andy bought 4 identical shirts at $12.80 each and spent the rest of the money on 8 identical pairs of socks. He gave $100 to the cashier and received 80 cents change. How much did each pair of socks cost?

  answer, method and trap →

• G21-A22 marksSINGA 2021 Assessment — Primary 4 (SMC Practice Book)

  Round the sum of 18.208 and 1.42 to the nearest whole number.

  answer, method and trap →

• S23-A82 markseasySingapore Math Challenge 2023 — Primary 4 Contest Paper

  Zainal had 5 m of ribbon at first. He used 1.4 m of it to wrap a present and some ribbon to decorate 2 cards. He had 2.6 m of ribbon left. Which of the following is the length of ribbon for each card?

  • (1) 1 m
  • (2) 2 m
  • (3) 0.7 m
  • (4) 0.5 m

  answer, method and trap →

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