Free Grade 3 Working with Working with Estimation Techniques Lessons
Free Grade 3 lessons for Working with Working with Estimation Techniques: 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
15 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with working with estimation techniques
Explain working with working with estimation techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with working with estimation techniques
Calculate working with working with estimation techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with working with estimation techniques
Compare working with working with estimation techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with working with estimation techniques
Justify working with working with estimation techniques 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 Working with Estimation Techniques 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 760 to the nearest 10.[1]
- 2.Round 253 to the nearest 10.[1]
- 3.Round 316 to the nearest 10.[1]
- 4.Round 987 to the nearest 10.[1]
- 5.Round 9,732 to the nearest 10.[2]
- 6.Round 2,399 to the nearest 100.[2]
- 7.Round 7,998 to the nearest 100.[2]
- 8.Round 6,721 to the nearest 100.[2]
- 9.Round 47,486 to the nearest 1,000.[3]
- 10.Round 21,808 to the nearest 1,000.[3]
- 11.Round 39,294 to the nearest 1,000.[3]
- 12.Round 99,172 to the nearest 100.[3]
Show answers and working
1. 760
Find the two multiples of 10 either side: 760 and 760. Look at the digit to the right of the rounding place: 5 or more rounds up. 760 rounds to 760.
2. 250
Find the two multiples of 10 either side: 250 and 260. Look at the digit to the right of the rounding place: 5 or more rounds up. 253 rounds to 250.
3. 320
Find the two multiples of 10 either side: 310 and 320. Look at the digit to the right of the rounding place: 5 or more rounds up. 316 rounds to 320.
4. 990
Find the two multiples of 10 either side: 980 and 990. Look at the digit to the right of the rounding place: 5 or more rounds up. 987 rounds to 990.
5. 9,730
Find the two multiples of 10 either side: 9730 and 9740. Look at the digit to the right of the rounding place: 5 or more rounds up. 9732 rounds to 9730.
6. 2,400
Find the two multiples of 100 either side: 2300 and 2400. Look at the digit to the right of the rounding place: 5 or more rounds up. 2399 rounds to 2400.
7. 8,000
Find the two multiples of 100 either side: 7900 and 8000. Look at the digit to the right of the rounding place: 5 or more rounds up. 7998 rounds to 8000.
8. 6,700
Find the two multiples of 100 either side: 6700 and 6800. Look at the digit to the right of the rounding place: 5 or more rounds up. 6721 rounds to 6700.
9. 47,000
Find the two multiples of 1000 either side: 47000 and 48000. Look at the digit to the right of the rounding place: 5 or more rounds up. 47486 rounds to 47000.
10. 22,000
Find the two multiples of 1000 either side: 21000 and 22000. Look at the digit to the right of the rounding place: 5 or more rounds up. 21808 rounds to 22000.
11. 39,000
Find the two multiples of 1000 either side: 39000 and 40000. Look at the digit to the right of the rounding place: 5 or more rounds up. 39294 rounds to 39000.
12. 99,200
Find the two multiples of 100 either side: 99100 and 99200. Look at the digit to the right of the rounding place: 5 or more rounds up. 99172 rounds to 99200.
Worked examples
Round 818 to the nearest 10.
- Find the two multiples of 10 either side: 810 and 820.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 818 rounds to 820.
- Answer: 820
Round 2,803 to the nearest 100.
- 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.
- 2803 rounds to 2800.
- Answer: 2,800
Round 1,468 to the nearest 1,000.
- Find the two multiples of 1000 either side: 1000 and 2000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 1468 rounds to 1000.
- Answer: 1,000
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
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- 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 Working with Estimation Techniques, Key Vocabulary of Working with Estimation Techniques, Working with Estimation Essentials. 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 Working with Estimation Techniques?
- Move on to Working with Estimation Techniques in Examinations, Working with Estimation Essentials, Working with Estimation Word Problems, Working with Estimation Common Errors, which build directly on this idea.
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