Subtracting Decimals (Year 4)

Practise subtracting decimals within Decimals for Year 4, with worked examples and instant feedback.

The questions below are generated to match the National Curriculum for Year 4 and get harder as you progress from Rookie to Guru.

Worked examples

RookieRead and interpret directly.

What is 0.3 + 0.5?

  • 0.2
  • 0.35
  • 0.8
  • 1.0

Answer: 0.8. 3 tenths + 5 tenths = 8 tenths = 0.8.

ProCompare and infer.

Which decimal is shown halfway between 0.3 and 0.4?

  • 0.35
  • 0.305
  • 0.34
  • 0.7

Answer: 0.35. Halfway between 0.3 and 0.4 = (0.3 + 0.4) ÷ 2 = 0.35.

GuruMulti-step reasoning.

A piece of string is 0.8 m. Ella cuts it into 4 equal pieces. Each piece is then cut in half. How many CENTIMETRES is each final piece?

  • 10 cm
  • 20 cm
  • 80 cm
  • 8 cm

Answer: 10 cm. 0.8 m ÷ 4 = 0.2 m. Half of 0.2 m = 0.1 m = 10 cm.

Related skills

Frequently asked questions

What is subtracting decimals?
Practise subtracting decimals within Decimals for Year 4, with worked examples and instant feedback.
How can my child practise subtracting decimals at home?
Work through the examples below, then start a free adaptive session. Northstar adjusts the difficulty automatically and tracks mastery over time.

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