Free practice on Decimal Numbers and Fractions for Class 6, following the Cameroon primary school curriculum (English subsystem). Every answer is explained, so a parent who is not sure of the answer can still help.
A vulgar fraction is written as a/b (like 3/5). A decimal fraction uses a point (like 0.6). They can be converted: 3/5 = 0.6, ¼ = 0.25.
| Fraction | Decimal | Percent |
|---|---|---|
| 1/2 | 0.5 | 50% |
| 1/4 | 0.25 | 25% |
| 3/4 | 0.75 | 75% |
| 1/5 | 0.2 | 20% |
| 3/5 | 0.6 | 60% |
Fraction → decimal: divide top by bottom. 3 ÷ 4 = 0.75. Decimal → fraction: place over 10, 100 or 1000 and simplify. 0.6 = 6/10 = 3/5.
A shop sells 2.5 kg of rice for 1,500 F. What is the cost per kg? 1500 ÷ 2.5 = 600 F per kg. Real-life maths uses decimals often.
| Problem | Solution |
|---|---|
| 3.5 kg at 400 F/kg | 3.5 × 400 = 1,400 F |
| 1.75 km walked | 1.75 × 1000 = 1,750 m |
| Bottle 0.75 L, cost 300 F | 300 ÷ 0.75 = 400 F per litre |
3.6 + 2.75 = ?
Answer: A. 6.35
5 − 1.25 = ?
Answer: B. 3.75
0.4 × 3 = ?
Answer: B. 1.2
Change 7/4 to a decimal.
Answer: B. 1.75
7 ÷ 4 = 1.75.
Change 2/5 to a decimal.
Answer: C. 0.4
2 ÷ 5 = 0.4.
What is 3/8 of 40?
Write your answer, then check below.
Answer: 15
40 ÷ 8 = 5, then 5 × 3 = 15.
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