Free Grade 3 Working with Estimation Techniques Flashcards
Free Grade 3 flashcards for 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
30 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with estimation techniques
Explain working with estimation techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with estimation techniques
Calculate working with estimation techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with estimation techniques
Compare working with estimation techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with estimation techniques
Justify 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 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 700 to the nearest 10.[1]
- 2.Round 987 to the nearest 10.[1]
- 3.Round 488 to the nearest 10.[1]
- 4.Round 892 to the nearest 10.[1]
- 5.Round 1,564 to the nearest 10.[2]
- 6.Round 9,552 to the nearest 10.[2]
- 7.Round 2,718 to the nearest 100.[2]
- 8.Round 5,243 to the nearest 100.[2]
- 9.Round 14,986 to the nearest 100.[3]
- 10.Round 50,949 to the nearest 1,000.[3]
- 11.Round 99,838 to the nearest 100.[3]
- 12.Round 35,226 to the nearest 100.[3]
Show answers and working
1. 700
Find the two multiples of 10 either side: 700 and 700. Look at the digit to the right of the rounding place: 5 or more rounds up. 700 rounds to 700.
2. 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.
3. 490
Find the two multiples of 10 either side: 480 and 490. Look at the digit to the right of the rounding place: 5 or more rounds up. 488 rounds to 490.
4. 890
Find the two multiples of 10 either side: 890 and 900. Look at the digit to the right of the rounding place: 5 or more rounds up. 892 rounds to 890.
5. 1,560
Find the two multiples of 10 either side: 1560 and 1570. Look at the digit to the right of the rounding place: 5 or more rounds up. 1564 rounds to 1560.
6. 9,550
Find the two multiples of 10 either side: 9550 and 9560. Look at the digit to the right of the rounding place: 5 or more rounds up. 9552 rounds to 9550.
7. 2,700
Find the two multiples of 100 either side: 2700 and 2800. Look at the digit to the right of the rounding place: 5 or more rounds up. 2718 rounds to 2700.
8. 5,200
Find the two multiples of 100 either side: 5200 and 5300. Look at the digit to the right of the rounding place: 5 or more rounds up. 5243 rounds to 5200.
9. 15,000
Find the two multiples of 100 either side: 14900 and 15000. Look at the digit to the right of the rounding place: 5 or more rounds up. 14986 rounds to 15000.
10. 51,000
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. 50949 rounds to 51000.
11. 99,800
Find the two multiples of 100 either side: 99800 and 99900. Look at the digit to the right of the rounding place: 5 or more rounds up. 99838 rounds to 99800.
12. 35,200
Find the two multiples of 100 either side: 35200 and 35300. Look at the digit to the right of the rounding place: 5 or more rounds up. 35226 rounds to 35200.
Worked examples
Round 411 to the nearest 10.
- Find the two multiples of 10 either side: 410 and 420.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 411 rounds to 410.
- Answer: 410
Round 7,267 to the nearest 100.
- Find the two multiples of 100 either side: 7200 and 7300.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 7267 rounds to 7300.
- Answer: 7,300
Round 29,515 to the nearest 1,000.
- Find the two multiples of 1000 either side: 29000 and 30000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 29515 rounds to 30000.
- Answer: 30,000
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 Techniques flashcards really free?
- 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 Working with Estimation Essentials, Introducing Estimation. 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 Estimation Techniques?
- Move on to Working with Estimation Word Problems, Working with Estimation Common Errors, Introducing Estimation, Estimation in Context, which build directly on this idea.
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