Free Grade 3 Working with Estimation Essentials Flashcards
Free Grade 3 flashcards for Working with Estimation 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
Higher
15 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with estimation essentials
Explain working with estimation essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with estimation essentials
Calculate working with estimation essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with estimation essentials
Compare working with estimation essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with estimation essentials
Justify working with estimation 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 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 403 to the nearest 10.[1]
- 2.Round 396 to the nearest 10.[1]
- 3.Round 934 to the nearest 10.[1]
- 4.Round 707 to the nearest 10.[1]
- 5.Round 1,840 to the nearest 10.[2]
- 6.Round 2,782 to the nearest 100.[2]
- 7.Round 3,467 to the nearest 100.[2]
- 8.Round 9,616 to the nearest 10.[2]
- 9.Round 54,747 to the nearest 1,000.[3]
- 10.Round 93,368 to the nearest 1,000.[3]
- 11.Round 52,236 to the nearest 100.[3]
- 12.Round 79,979 to the nearest 100.[3]
Show answers and working
1. 400
Find the two multiples of 10 either side: 400 and 410. Look at the digit to the right of the rounding place: 5 or more rounds up. 403 rounds to 400.
2. 400
Find the two multiples of 10 either side: 390 and 400. Look at the digit to the right of the rounding place: 5 or more rounds up. 396 rounds to 400.
3. 930
Find the two multiples of 10 either side: 930 and 940. Look at the digit to the right of the rounding place: 5 or more rounds up. 934 rounds to 930.
4. 710
Find the two multiples of 10 either side: 700 and 710. Look at the digit to the right of the rounding place: 5 or more rounds up. 707 rounds to 710.
5. 1,840
Find the two multiples of 10 either side: 1840 and 1840. Look at the digit to the right of the rounding place: 5 or more rounds up. 1840 rounds to 1840.
6. 2,800
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. 2782 rounds to 2800.
7. 3,500
Find the two multiples of 100 either side: 3400 and 3500. Look at the digit to the right of the rounding place: 5 or more rounds up. 3467 rounds to 3500.
8. 9,620
Find the two multiples of 10 either side: 9610 and 9620. Look at the digit to the right of the rounding place: 5 or more rounds up. 9616 rounds to 9620.
9. 55,000
Find the two multiples of 1000 either side: 54000 and 55000. Look at the digit to the right of the rounding place: 5 or more rounds up. 54747 rounds to 55000.
10. 93,000
Find the two multiples of 1000 either side: 93000 and 94000. Look at the digit to the right of the rounding place: 5 or more rounds up. 93368 rounds to 93000.
11. 52,200
Find the two multiples of 100 either side: 52200 and 52300. Look at the digit to the right of the rounding place: 5 or more rounds up. 52236 rounds to 52200.
12. 80,000
Find the two multiples of 100 either side: 79900 and 80000. Look at the digit to the right of the rounding place: 5 or more rounds up. 79979 rounds to 80000.
Worked examples
Round 851 to the nearest 10.
- Find the two multiples of 10 either side: 850 and 860.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 851 rounds to 850.
- Answer: 850
Round 201 to the nearest 100.
- Find the two multiples of 100 either side: 200 and 300.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 201 rounds to 200.
- Answer: 200
Round 18,058 to the nearest 100.
- Find the two multiples of 100 either side: 18000 and 18100.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 18058 rounds to 18100.
- Answer: 18,100
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 Essentials 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 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 Essentials?
- Move on to Working with Estimation Techniques, Working with Estimation Word Problems, Working with Estimation Common Errors, Introducing Estimation, which build directly on this idea.
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