Free Grade 3 Fractions to Decimals Lesson Plans
Free Grade 3 lesson plans for Fractions to Decimals: 12 real questions with a full answer key and worked solutions. Fractions, decimals and percentages are three ways to write the same amount. Divide the numerator by the denominator to get a decimal; multiply by 100 for a percentage.
Free
Core
15 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain fractions to decimals
Explain fractions to decimals accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate fractions to decimals
Calculate fractions to decimals accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare fractions to decimals
Compare fractions to decimals accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify fractions to decimals
Justify fractions to decimals accurately in a familiar context.
Assessed by: Exit ticket of four short items
Prerequisites
Close these gaps first — each has its own free lesson, worksheet and quiz.
How Fractions to Decimals works
Fractions, decimals and percentages are three ways to write the same amount. Divide the numerator by the denominator to get a decimal; multiply by 100 for a percentage.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.Write 3/4 as a decimal and a percentage.[1]
- 2.Write 5/10 as a decimal and a percentage.[1]
- 3.Write 2/5 as a decimal and a percentage.[1]
- 4.Write 2/10 as a decimal and a percentage.[1]
- 5.Write 1/4 as a decimal and a percentage.[2]
- 6.Write 4/8 as a decimal and a percentage.[2]
- 7.Write 19/20 as a decimal and a percentage.[2]
- 8.Write 3/20 as a decimal and a percentage.[2]
- 9.Write 11/25 as a decimal and a percentage.[3]
- 10.Write 4/5 as a decimal and a percentage.[3]
- 11.Write 1/8 as a decimal and a percentage.[3]
- 12.Write 3/5 as a decimal and a percentage.[3]
Show answers and working
1. 0.75 and 75%
3 ÷ 4 = 0.75. × 100 for a percentage: 75%.
2. 0.5 and 50%
5 ÷ 10 = 0.5. × 100 for a percentage: 50%.
3. 0.4 and 40%
2 ÷ 5 = 0.4. × 100 for a percentage: 40%.
4. 0.2 and 20%
2 ÷ 10 = 0.2. × 100 for a percentage: 20%.
5. 0.25 and 25%
1 ÷ 4 = 0.25. × 100 for a percentage: 25%.
6. 0.5 and 50%
4 ÷ 8 = 0.5. × 100 for a percentage: 50%.
7. 0.95 and 95%
19 ÷ 20 = 0.95. × 100 for a percentage: 95%.
8. 0.15 and 15%
3 ÷ 20 = 0.15. × 100 for a percentage: 15%.
9. 0.44 and 44%
11 ÷ 25 = 0.44. × 100 for a percentage: 44%.
10. 0.8 and 80%
4 ÷ 5 = 0.8. × 100 for a percentage: 80%.
11. 0.125 and 12.5%
1 ÷ 8 = 0.125. × 100 for a percentage: 12.5%.
12. 0.6 and 60%
3 ÷ 5 = 0.6. × 100 for a percentage: 60%.
Worked examples
Write 2/4 as a decimal and a percentage.
- 2 ÷ 4 = 0.5.
- × 100 for a percentage: 50%.
- Answer: 0.5 and 50%
Write 23/25 as a decimal and a percentage.
- 23 ÷ 25 = 0.92.
- × 100 for a percentage: 92%.
- Answer: 0.92 and 92%
Write 1/5 as a decimal and a percentage.
- 1 ÷ 5 = 0.2.
- × 100 for a percentage: 20%.
- Answer: 0.2 and 20%
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Writes 1/4 as 1.4.
Correction: 1/4 means 1 ÷ 4 = 0.25.
Writes 0.5 as 5%.
Correction: Multiply by 100: 0.5 = 50%.
Teacher tips
- · Keep a class chart of key equivalents (1/2, 1/4, 1/5, 1/10).
Parent tips
- · Spot halves and quarters as % in shop sales.
Real-life applications
- · Comparing discounts written in different forms.
Assessment objectives
How mastery is evidenced, and which standards it maps to.
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Frequently asked
- Is this Grade 3 Fractions to Decimals lesson plan really free?
- Yes. Every lesson plans on FreeMathWorksheet is free to use, print and share — no account, no paywall and no watermark.
- What should a learner already know before this?
- Start with Fraction of a Quantity, Dividing Fractions, Integers. Each one has its own free lesson, worksheet and quiz.
- How is the lesson plan sequenced?
- Recognition first, then understanding, application, reasoning and finally mastery — the same ladder used across every free resource on the platform.
- What comes next after Fractions to Decimals?
- Move on to Decimals to Fractions, Fractions to Percentages, Fraction Word Problems, Fractions in Real Life, which build directly on this idea.
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