Primary 6 · Mathematics · Decimals
Decimals questions for Primary 6 Maths
10 questions to work through online. Answer and you get the working straight away, then a score at the end. No sign-up, and you can retake it as often as you like.
- Multiplying decimals
- Dividing decimals
- Multiplying by 100
- Dividing by 1000
- Fraction to decimal
- Rounding
- Comparing decimals
- Decimal word problem
- Decimal to fraction
- Division word problem
Answers and explanations for all 10 questions
Every answer with the reasoning behind it. Worth reading after you have tried the set — or on its own, if you are a parent marking it.
2.45 × 6 = ?
Answer: 14.7
2.45 × 6 = 14.7.
9.64 ÷ 8 = ?
Answer: 1.205
9.64 ÷ 8 = 1.205.
0.073 × 100 = ?
Answer: 7.3
Multiplying by 100 moves the point two places right: 0.073 × 100 = 7.3.
46 ÷ 1000 = ?
Answer: 0.046
Dividing by 1000 moves the point three places left: 46 ÷ 1000 = 0.046.
Write 3/8 as a decimal.
Answer: 0.375
3 ÷ 8 = 0.375.
Round 4.627 to 2 decimal places.
Answer: 4.63
The third decimal digit is 7, so 4.627 rounds up to 4.63.
Which of these is the largest?
Answer: 4.05
4.05, 4.005, 0.45 and 0.405 — the largest whole-number part wins, then the tenths: 4.05.
A ribbon is 1.75 m long. What is the total length of 8 such ribbons?
Answer: 14 m
1.75 × 8 = 14 m.
Write 0.6 as a fraction in its simplest form.
Answer: 3/5
0.6 = 6/10, and both 6 and 10 divide by 2, giving 3/5.
9.45 kg of flour is packed equally into 6 bags. What is the mass of each bag?
Answer: 1.575 kg
9.45 ÷ 6 = 1.575 kg.