What this covers
Fractions, Decimals, and Percents is taught in Grade 8 (age 13 to 14) as a topic to introduce. It sits in the Fractions strand.
Worked example
Convert 38 into a percentage
- Convert fraction to decimal: 38 = 0.375
- Multiply decimal by 100 to get percentage: 0.375 x 100
- Result: 37.5%
Answer: 37.5%
Difficulty scale
The sheet generator offers five difficulty settings for this topic.
- Common benchmarks: halves, quarters, tenths, hundredths
- Common conversions with fifths and eighths, e.g. 35, 58
- Converting recurring or trickier values, e.g. thirds, sixths, or 2 d.p. decimals
- Mixed numbers to improper percentages and decimals greater than 1
- Comparing, ordering, and equivalence tables mixing all three forms
Common mistakes
- Writing a decimal directly as a percentage without multiplying by 100 (e.g. 0.4 = 4%)
- Treating denominator as percentage directly (e.g. 3/20 = 3%)
Curriculum links
Indicative matches to Common Core State Standards. Check wording and codes against the official document.
- 8.NS.A.1 Distinguish between rational and irrational numbers, knowing that rational numbers have repeating or terminating decimal expansions.