Free Grade 3 Working with Estimation in Context Essentials Lessons
Free Grade 3 lessons for Working with Estimation in Context Essentials: 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
Foundation
15 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify working with estimation in context essentials
Identify working with estimation in context essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain working with estimation in context essentials
Explain working with estimation in context essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with estimation in context essentials
Calculate working with estimation in context essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with estimation in context essentials
Compare working with estimation in context essentials 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 in Context Essentials 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 625 to the nearest 10.[1]
- 2.Round 106 to the nearest 10.[1]
- 3.Round 679 to the nearest 10.[1]
- 4.Round 290 to the nearest 10.[1]
- 5.Round 4,123 to the nearest 100.[2]
- 6.Round 2,819 to the nearest 100.[2]
- 7.Round 7,407 to the nearest 10.[2]
- 8.Round 2,500 to the nearest 10.[2]
- 9.Round 96,622 to the nearest 100.[3]
- 10.Round 56,283 to the nearest 100.[3]
- 11.Round 96,758 to the nearest 1,000.[3]
- 12.Round 14,562 to the nearest 1,000.[3]
Show answers and working
1. 630
Find the two multiples of 10 either side: 620 and 630. Look at the digit to the right of the rounding place: 5 or more rounds up. 625 rounds to 630.
2. 110
Find the two multiples of 10 either side: 100 and 110. Look at the digit to the right of the rounding place: 5 or more rounds up. 106 rounds to 110.
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. 679 rounds to 680.
4. 290
Find the two multiples of 10 either side: 290 and 290. Look at the digit to the right of the rounding place: 5 or more rounds up. 290 rounds to 290.
5. 4,100
Find the two multiples of 100 either side: 4100 and 4200. Look at the digit to the right of the rounding place: 5 or more rounds up. 4123 rounds to 4100.
6. 2,800
Find the two multiples of 100 either side: 2800 and 2900. Look at the digit to the right of the rounding place: 5 or more rounds up. 2819 rounds to 2800.
7. 7,410
Find the two multiples of 10 either side: 7400 and 7410. Look at the digit to the right of the rounding place: 5 or more rounds up. 7407 rounds to 7410.
8. 2,500
Find the two multiples of 10 either side: 2500 and 2500. Look at the digit to the right of the rounding place: 5 or more rounds up. 2500 rounds to 2500.
9. 96,600
Find the two multiples of 100 either side: 96600 and 96700. Look at the digit to the right of the rounding place: 5 or more rounds up. 96622 rounds to 96600.
10. 56,300
Find the two multiples of 100 either side: 56200 and 56300. Look at the digit to the right of the rounding place: 5 or more rounds up. 56283 rounds to 56300.
11. 97,000
Find the two multiples of 1000 either side: 96000 and 97000. Look at the digit to the right of the rounding place: 5 or more rounds up. 96758 rounds to 97000.
12. 15,000
Find the two multiples of 1000 either side: 14000 and 15000. Look at the digit to the right of the rounding place: 5 or more rounds up. 14562 rounds to 15000.
Worked examples
Round 129 to the nearest 10.
- Find the two multiples of 10 either side: 120 and 130.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 129 rounds to 130.
- Answer: 130
Round 4,290 to the nearest 100.
- Find the two multiples of 100 either side: 4200 and 4300.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 4290 rounds to 4300.
- Answer: 4,300
Round 25,560 to the nearest 1,000.
- Find the two multiples of 1000 either side: 25000 and 26000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 25560 rounds to 26000.
- Answer: 26,000
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
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Frequently asked
- Is this Grade 3 Working with Estimation in Context Essentials 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 Rules and Methods in Estimation in Context Essentials, Key Vocabulary of Estimation in Context Essentials, Working with 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 in Context Essentials?
- Move on to Estimation in Context Essentials in Examinations, Estimation in Context Techniques, Estimation in Context Word Problems, Estimation in Context Common Errors, which build directly on this idea.
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