Free Grade 3 Working with Working with Estimation Techniques Flashcards
Free Grade 3 flashcards 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
Foundation
35 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 477 to the nearest 10.[1]
- 2.Round 828 to the nearest 10.[1]
- 3.Round 339 to the nearest 10.[1]
- 4.Round 519 to the nearest 10.[1]
- 5.Round 2,303 to the nearest 10.[2]
- 6.Round 8,743 to the nearest 10.[2]
- 7.Round 4,645 to the nearest 100.[2]
- 8.Round 3,975 to the nearest 10.[2]
- 9.Round 35,117 to the nearest 1,000.[3]
- 10.Round 89,299 to the nearest 1,000.[3]
- 11.Round 86,733 to the nearest 1,000.[3]
- 12.Round 46,539 to the nearest 100.[3]
Show answers and working
1. 480
Find the two multiples of 10 either side: 470 and 480. Look at the digit to the right of the rounding place: 5 or more rounds up. 477 rounds to 480.
2. 830
Find the two multiples of 10 either side: 820 and 830. Look at the digit to the right of the rounding place: 5 or more rounds up. 828 rounds to 830.
3. 340
Find the two multiples of 10 either side: 330 and 340. Look at the digit to the right of the rounding place: 5 or more rounds up. 339 rounds to 340.
4. 520
Find the two multiples of 10 either side: 510 and 520. Look at the digit to the right of the rounding place: 5 or more rounds up. 519 rounds to 520.
5. 2,300
Find the two multiples of 10 either side: 2300 and 2310. Look at the digit to the right of the rounding place: 5 or more rounds up. 2303 rounds to 2300.
6. 8,740
Find the two multiples of 10 either side: 8740 and 8750. Look at the digit to the right of the rounding place: 5 or more rounds up. 8743 rounds to 8740.
7. 4,600
Find the two multiples of 100 either side: 4600 and 4700. Look at the digit to the right of the rounding place: 5 or more rounds up. 4645 rounds to 4600.
8. 3,980
Find the two multiples of 10 either side: 3970 and 3980. Look at the digit to the right of the rounding place: 5 or more rounds up. 3975 rounds to 3980.
9. 35,000
Find the two multiples of 1000 either side: 35000 and 36000. Look at the digit to the right of the rounding place: 5 or more rounds up. 35117 rounds to 35000.
10. 89,000
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. 89299 rounds to 89000.
11. 87,000
Find the two multiples of 1000 either side: 86000 and 87000. Look at the digit to the right of the rounding place: 5 or more rounds up. 86733 rounds to 87000.
12. 46,500
Find the two multiples of 100 either side: 46500 and 46600. Look at the digit to the right of the rounding place: 5 or more rounds up. 46539 rounds to 46500.
Worked examples
Round 200 to the nearest 10.
- Find the two multiples of 10 either side: 200 and 200.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 200 rounds to 200.
- Answer: 200
Round 930 to the nearest 10.
- Find the two multiples of 10 either side: 930 and 930.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 930 rounds to 930.
- Answer: 930
Round 76,714 to the nearest 100.
- Find the two multiples of 100 either side: 76700 and 76800.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 76714 rounds to 76700.
- Answer: 76,700
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 flashcards 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 flashcards 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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