Free Grade 3 Working with Estimation Word Problems Lessons
Free Grade 3 lessons for Working with Estimation Word Problems: 12 real questions with a full answer key and worked solutions. Rounding gives a simpler number that is close to the real one. Look at the digit just right of the place you round to: 5 or more rounds up, 4 or less rounds down.
Free
Core
30 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with estimation word problems
Explain working with estimation word problems accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with estimation word problems
Calculate working with estimation word problems accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with estimation word problems
Compare working with estimation word problems accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with estimation word problems
Justify working with estimation word problems 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 Estimation Word Problems works
Rounding gives a simpler number that is close to the real one. Look at the digit just right of the place you round to: 5 or more rounds up, 4 or less rounds down.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.Round 789 to the nearest 10.[1]
- 2.Round 707 to the nearest 10.[1]
- 3.Round 676 to the nearest 10.[1]
- 4.Round 605 to the nearest 10.[1]
- 5.Round 4,204 to the nearest 10.[2]
- 6.Round 2,512 to the nearest 100.[2]
- 7.Round 2,570 to the nearest 100.[2]
- 8.Round 2,080 to the nearest 10.[2]
- 9.Round 89,601 to the nearest 1,000.[3]
- 10.Round 50,193 to the nearest 1,000.[3]
- 11.Round 64,280 to the nearest 100.[3]
- 12.Round 40,525 to the nearest 1,000.[3]
Show answers and working
1. 790
Find the two multiples of 10 either side: 780 and 790. Look at the digit to the right of the rounding place: 5 or more rounds up. 789 rounds to 790.
2. 710
Find the two multiples of 10 either side: 700 and 710. Look at the digit to the right of the rounding place: 5 or more rounds up. 707 rounds to 710.
3. 680
Find the two multiples of 10 either side: 670 and 680. Look at the digit to the right of the rounding place: 5 or more rounds up. 676 rounds to 680.
4. 610
Find the two multiples of 10 either side: 600 and 610. Look at the digit to the right of the rounding place: 5 or more rounds up. 605 rounds to 610.
5. 4,200
Find the two multiples of 10 either side: 4200 and 4210. Look at the digit to the right of the rounding place: 5 or more rounds up. 4204 rounds to 4200.
6. 2,500
Find the two multiples of 100 either side: 2500 and 2600. Look at the digit to the right of the rounding place: 5 or more rounds up. 2512 rounds to 2500.
7. 2,600
Find the two multiples of 100 either side: 2500 and 2600. Look at the digit to the right of the rounding place: 5 or more rounds up. 2570 rounds to 2600.
8. 2,080
Find the two multiples of 10 either side: 2080 and 2080. Look at the digit to the right of the rounding place: 5 or more rounds up. 2080 rounds to 2080.
9. 90,000
Find the two multiples of 1000 either side: 89000 and 90000. Look at the digit to the right of the rounding place: 5 or more rounds up. 89601 rounds to 90000.
10. 50,000
Find the two multiples of 1000 either side: 50000 and 51000. Look at the digit to the right of the rounding place: 5 or more rounds up. 50193 rounds to 50000.
11. 64,300
Find the two multiples of 100 either side: 64200 and 64300. Look at the digit to the right of the rounding place: 5 or more rounds up. 64280 rounds to 64300.
12. 41,000
Find the two multiples of 1000 either side: 40000 and 41000. Look at the digit to the right of the rounding place: 5 or more rounds up. 40525 rounds to 41000.
Worked examples
Round 178 to the nearest 10.
- Find the two multiples of 10 either side: 170 and 180.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 178 rounds to 180.
- Answer: 180
Round 7,567 to the nearest 10.
- Find the two multiples of 10 either side: 7560 and 7570.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 7567 rounds to 7570.
- Answer: 7,570
Round 86,585 to the nearest 100.
- Find the two multiples of 100 either side: 86500 and 86600.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 86585 rounds to 86600.
- Answer: 86,600
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Looks at the wrong digit to decide whether to round up.
Correction: Underline the rounding place, then circle the digit to its right.
Changes the digits after the rounding place to anything other than 0.
Correction: Every digit after the rounding place becomes 0.
Teacher tips
- · Use a number line showing the two multiples either side.
Parent tips
- · Estimate the shopping bill to the nearest dollar.
Real-life applications
- · Estimating the total of a shopping trip before paying.
Assessment objectives
How mastery is evidenced, and which standards it maps to.
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Frequently asked
- Is this Grade 3 Working with Estimation Word Problems lesson really free?
- Yes. Every lessons 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 Working with Estimation Techniques, Working with Estimation Essentials, Introducing Estimation. Each one has its own free lesson, worksheet and quiz.
- How is the lesson 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 Estimation Word Problems?
- Move on to Working with Estimation Common Errors, Introducing Estimation, Estimation in Context, which build directly on this idea.
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