Free Grade 3 Working with Estimation Word Problems Lesson Plans
Free Grade 3 lesson plans 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
20 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 944 to the nearest 10.[1]
- 2.Round 555 to the nearest 10.[1]
- 3.Round 832 to the nearest 10.[1]
- 4.Round 925 to the nearest 10.[1]
- 5.Round 9,224 to the nearest 100.[2]
- 6.Round 4,347 to the nearest 10.[2]
- 7.Round 1,873 to the nearest 10.[2]
- 8.Round 287 to the nearest 10.[2]
- 9.Round 31,117 to the nearest 1,000.[3]
- 10.Round 52,541 to the nearest 1,000.[3]
- 11.Round 32,565 to the nearest 100.[3]
- 12.Round 74,274 to the nearest 1,000.[3]
Show answers and working
1. 940
Find the two multiples of 10 either side: 940 and 950. Look at the digit to the right of the rounding place: 5 or more rounds up. 944 rounds to 940.
2. 560
Find the two multiples of 10 either side: 550 and 560. Look at the digit to the right of the rounding place: 5 or more rounds up. 555 rounds to 560.
3. 830
Find the two multiples of 10 either side: 830 and 840. Look at the digit to the right of the rounding place: 5 or more rounds up. 832 rounds to 830.
4. 930
Find the two multiples of 10 either side: 920 and 930. Look at the digit to the right of the rounding place: 5 or more rounds up. 925 rounds to 930.
5. 9,200
Find the two multiples of 100 either side: 9200 and 9300. Look at the digit to the right of the rounding place: 5 or more rounds up. 9224 rounds to 9200.
6. 4,350
Find the two multiples of 10 either side: 4340 and 4350. Look at the digit to the right of the rounding place: 5 or more rounds up. 4347 rounds to 4350.
7. 1,870
Find the two multiples of 10 either side: 1870 and 1880. Look at the digit to the right of the rounding place: 5 or more rounds up. 1873 rounds to 1870.
8. 290
Find the two multiples of 10 either side: 280 and 290. Look at the digit to the right of the rounding place: 5 or more rounds up. 287 rounds to 290.
9. 31,000
Find the two multiples of 1000 either side: 31000 and 32000. Look at the digit to the right of the rounding place: 5 or more rounds up. 31117 rounds to 31000.
10. 53,000
Find the two multiples of 1000 either side: 52000 and 53000. Look at the digit to the right of the rounding place: 5 or more rounds up. 52541 rounds to 53000.
11. 32,600
Find the two multiples of 100 either side: 32500 and 32600. Look at the digit to the right of the rounding place: 5 or more rounds up. 32565 rounds to 32600.
12. 74,000
Find the two multiples of 1000 either side: 74000 and 75000. Look at the digit to the right of the rounding place: 5 or more rounds up. 74274 rounds to 74000.
Worked examples
Round 199 to the nearest 10.
- Find the two multiples of 10 either side: 190 and 200.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 199 rounds to 200.
- Answer: 200
Round 2,921 to the nearest 100.
- Find the two multiples of 100 either side: 2900 and 3000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 2921 rounds to 2900.
- Answer: 2,900
Round 71,782 to the nearest 1,000.
- Find the two multiples of 1000 either side: 71000 and 72000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 71782 rounds to 72000.
- Answer: 72,000
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 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 Working with Estimation Techniques, Working with Estimation Essentials, Introducing Estimation. 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 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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