Adding Decimals (Year 4)
Practise adding 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 + 0.48?
- 0.78
- 0.68
- 0.88
- 0.51
Answer: 0.78. Write 0.3 as 0.30, then add column by column: 0.30 + 0.48 = 0.78.
ProCompare and infer.
What is 0.6 + 0.62?
- 0.68
- 1.22
- 1.12
- 1.32
Answer: 1.22. Write 0.6 as 0.60, then add column by column: 0.60 + 0.62 = 1.22.
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 adding decimals?
- Practise adding decimals within Decimals for Year 4, with worked examples and instant feedback.
- How can my child practise adding decimals at home?
- Work through the examples below, then start a free adaptive session. Northstar adjusts the difficulty automatically and tracks mastery over time.
Practise this adaptively
Start a free session that adjusts to your child's level, tracks mastery and celebrates progress.
Start free