Free Grade 3 Working with Multiplying Decimals Worksheets
Free Grade 3 worksheets for Working with Multiplying Decimals: 12 real questions with a full answer key and worked solutions. Decimals extend place value past the ones: tenths, hundredths, thousandths. Line up decimal points when adding or subtracting.
Free
Higher
35 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify working with multiplying decimals
Identify working with multiplying decimals accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain working with multiplying decimals
Explain working with multiplying decimals accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with multiplying decimals
Calculate working with multiplying decimals accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with multiplying decimals
Compare working with multiplying 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 Working with Multiplying Decimals works
Decimals extend place value past the ones: tenths, hundredths, thousandths. Line up decimal points when adding or subtracting.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.9.1 + 44.6 = ?[1]
- 2.93.5 + 40.9 = ?[1]
- 3.61.4 − 46.6 = ?[1]
- 4.78.5 + 60.3 = ?[1]
- 5.8.17 − 4.36 = ?[2]
- 6.1.77 + 2.1 = ?[2]
- 7.4.9 + 2.7 = ?[2]
- 8.8.58 + 7.37 = ?[2]
- 9.0.165 × 3 = ?[3]
- 10.0.817 × 2 = ?[3]
- 11.0.139 × 6 = ?[3]
- 12.0.919 × 5 = ?[3]
Show answers and working
1. 53.7
Line up the decimal points. Fill gaps with zeros so both have 1 decimal place. Add as whole numbers: 53.7.
2. 134.4
Line up the decimal points. Fill gaps with zeros so both have 1 decimal place. Add as whole numbers: 134.4.
3. 14.8
Line up the decimal points. Fill gaps with zeros so both have 1 decimal place. Subtract as whole numbers: 14.8.
4. 138.8
Line up the decimal points. Fill gaps with zeros so both have 1 decimal place. Add as whole numbers: 138.8.
5. 3.81
Line up the decimal points. Fill gaps with zeros so both have 2 decimal places. Subtract as whole numbers: 3.81.
6. 3.87
Line up the decimal points. Fill gaps with zeros so both have 2 decimal places. Add as whole numbers: 3.87.
7. 7.6
Line up the decimal points. Fill gaps with zeros so both have 2 decimal places. Add as whole numbers: 7.6.
8. 15.95
Line up the decimal points. Fill gaps with zeros so both have 2 decimal places. Add as whole numbers: 15.95.
9. 0.495
Ignore the decimal: 165 × 3 = 495. Put back 3 decimal places: 0.495.
10. 1.634
Ignore the decimal: 817 × 2 = 1634. Put back 3 decimal places: 1.634.
11. 0.834
Ignore the decimal: 139 × 6 = 834. Put back 3 decimal places: 0.834.
12. 4.595
Ignore the decimal: 919 × 5 = 4595. Put back 3 decimal places: 4.595.
Worked examples
1.4 + 59.8 = ?
- Line up the decimal points.
- Fill gaps with zeros so both have 1 decimal place.
- Add as whole numbers: 61.2.
- Answer: 61.2
9.09 − 5.92 = ?
- Line up the decimal points.
- Fill gaps with zeros so both have 2 decimal places.
- Subtract as whole numbers: 3.17.
- Answer: 3.17
0.387 × 9 = ?
- Ignore the decimal: 387 × 9 = 3483.
- Put back 3 decimal places: 3.483.
- Answer: 3.483
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Thinks 0.25 is bigger than 0.3 because 25 > 3.
Correction: Fill with zeros: 0.25 vs 0.30.
Lines up the last digits instead of the decimal points.
Correction: Decimal points go in one straight column.
Teacher tips
- · Use money to make tenths and hundredths concrete.
Parent tips
- · Add up prices with cents together.
Real-life applications
- · Money, measurements, race times.
Assessment objectives
How mastery is evidenced, and which standards it maps to.
Every free resource for Working with Multiplying Decimals
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Frequently asked
- Is this Grade 3 Working with Multiplying Decimals worksheet really free?
- Yes. Every worksheets 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 Introducing Multiplying Decimals, Adding Decimals. Each one has its own free lesson, worksheet and quiz.
- How is the worksheet 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 Working with Multiplying Decimals?
- Move on to Multiplying Decimals in Context, Decimal Place Value, Reading Decimals, Comparing Decimals, which build directly on this idea.
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