Free Grade 3 Working with Introducing Estimation Common Errors Quizzes
Free Grade 3 quizzes for Working with Introducing Estimation Common Errors: 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
20 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with introducing estimation common errors
Explain working with introducing estimation common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with introducing estimation common errors
Calculate working with introducing estimation common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with introducing estimation common errors
Compare working with introducing estimation common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with introducing estimation common errors
Justify working with introducing estimation common errors 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 Introducing Estimation Common Errors 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 662 to the nearest 10.[1]
- 2.Round 980 to the nearest 10.[1]
- 3.Round 637 to the nearest 10.[1]
- 4.Round 872 to the nearest 10.[1]
- 5.Round 6,327 to the nearest 100.[2]
- 6.Round 5,100 to the nearest 10.[2]
- 7.Round 1,732 to the nearest 10.[2]
- 8.Round 8,797 to the nearest 100.[2]
- 9.Round 80,020 to the nearest 100.[3]
- 10.Round 85,253 to the nearest 1,000.[3]
- 11.Round 91,577 to the nearest 1,000.[3]
- 12.Round 86,458 to the nearest 1,000.[3]
Show answers and working
1. 660
Find the two multiples of 10 either side: 660 and 670. Look at the digit to the right of the rounding place: 5 or more rounds up. 662 rounds to 660.
2. 980
Find the two multiples of 10 either side: 980 and 980. Look at the digit to the right of the rounding place: 5 or more rounds up. 980 rounds to 980.
3. 640
Find the two multiples of 10 either side: 630 and 640. Look at the digit to the right of the rounding place: 5 or more rounds up. 637 rounds to 640.
4. 870
Find the two multiples of 10 either side: 870 and 880. Look at the digit to the right of the rounding place: 5 or more rounds up. 872 rounds to 870.
5. 6,300
Find the two multiples of 100 either side: 6300 and 6400. Look at the digit to the right of the rounding place: 5 or more rounds up. 6327 rounds to 6300.
6. 5,100
Find the two multiples of 10 either side: 5100 and 5100. Look at the digit to the right of the rounding place: 5 or more rounds up. 5100 rounds to 5100.
7. 1,730
Find the two multiples of 10 either side: 1730 and 1740. Look at the digit to the right of the rounding place: 5 or more rounds up. 1732 rounds to 1730.
8. 8,800
Find the two multiples of 100 either side: 8700 and 8800. Look at the digit to the right of the rounding place: 5 or more rounds up. 8797 rounds to 8800.
9. 80,000
Find the two multiples of 100 either side: 80000 and 80100. Look at the digit to the right of the rounding place: 5 or more rounds up. 80020 rounds to 80000.
10. 85,000
Find the two multiples of 1000 either side: 85000 and 86000. Look at the digit to the right of the rounding place: 5 or more rounds up. 85253 rounds to 85000.
11. 92,000
Find the two multiples of 1000 either side: 91000 and 92000. Look at the digit to the right of the rounding place: 5 or more rounds up. 91577 rounds to 92000.
12. 86,000
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. 86458 rounds to 86000.
Worked examples
Round 156 to the nearest 10.
- Find the two multiples of 10 either side: 150 and 160.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 156 rounds to 160.
- Answer: 160
Round 7,359 to the nearest 100.
- Find the two multiples of 100 either side: 7300 and 7400.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 7359 rounds to 7400.
- Answer: 7,400
Round 89,184 to the nearest 1,000.
- 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.
- 89184 rounds to 89000.
- Answer: 89,000
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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- What should a learner already know before this?
- Start with Rules and Methods in Introducing Estimation Common Errors, Key Vocabulary of Introducing Estimation Common Errors, Introducing Estimation Word Problems. Each one has its own free lesson, worksheet and quiz.
- How is the quiz 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 Introducing Estimation Common Errors?
- Move on to Introducing Estimation Common Errors in Examinations, Introducing Estimation Essentials, Introducing Estimation Techniques, Introducing Estimation Word Problems, which build directly on this idea.
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