Free Grade 3 Working with Estimation Common Errors Quizzes
Free Grade 3 quizzes for Working with 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
25 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with estimation common errors
Explain working with estimation common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with estimation common errors
Calculate working with estimation common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with estimation common errors
Compare working with estimation common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with estimation common errors
Justify working with 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 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 185 to the nearest 10.[1]
- 2.Round 218 to the nearest 10.[1]
- 3.Round 194 to the nearest 10.[1]
- 4.Round 571 to the nearest 10.[1]
- 5.Round 124 to the nearest 100.[2]
- 6.Round 1,322 to the nearest 10.[2]
- 7.Round 5,359 to the nearest 10.[2]
- 8.Round 7,992 to the nearest 100.[2]
- 9.Round 47,419 to the nearest 100.[3]
- 10.Round 77,210 to the nearest 100.[3]
- 11.Round 68,884 to the nearest 100.[3]
- 12.Round 80,084 to the nearest 100.[3]
Show answers and working
1. 190
Find the two multiples of 10 either side: 180 and 190. Look at the digit to the right of the rounding place: 5 or more rounds up. 185 rounds to 190.
2. 220
Find the two multiples of 10 either side: 210 and 220. Look at the digit to the right of the rounding place: 5 or more rounds up. 218 rounds to 220.
3. 190
Find the two multiples of 10 either side: 190 and 200. Look at the digit to the right of the rounding place: 5 or more rounds up. 194 rounds to 190.
4. 570
Find the two multiples of 10 either side: 570 and 580. Look at the digit to the right of the rounding place: 5 or more rounds up. 571 rounds to 570.
5. 100
Find the two multiples of 100 either side: 100 and 200. Look at the digit to the right of the rounding place: 5 or more rounds up. 124 rounds to 100.
6. 1,320
Find the two multiples of 10 either side: 1320 and 1330. Look at the digit to the right of the rounding place: 5 or more rounds up. 1322 rounds to 1320.
7. 5,360
Find the two multiples of 10 either side: 5350 and 5360. Look at the digit to the right of the rounding place: 5 or more rounds up. 5359 rounds to 5360.
8. 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. 7992 rounds to 8000.
9. 47,400
Find the two multiples of 100 either side: 47400 and 47500. Look at the digit to the right of the rounding place: 5 or more rounds up. 47419 rounds to 47400.
10. 77,200
Find the two multiples of 100 either side: 77200 and 77300. Look at the digit to the right of the rounding place: 5 or more rounds up. 77210 rounds to 77200.
11. 68,900
Find the two multiples of 100 either side: 68800 and 68900. Look at the digit to the right of the rounding place: 5 or more rounds up. 68884 rounds to 68900.
12. 80,100
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. 80084 rounds to 80100.
Worked examples
Round 308 to the nearest 10.
- Find the two multiples of 10 either side: 300 and 310.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 308 rounds to 310.
- Answer: 310
Round 3,941 to the nearest 100.
- Find the two multiples of 100 either side: 3900 and 4000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 3941 rounds to 3900.
- Answer: 3,900
Round 41,580 to the nearest 100.
- Find the two multiples of 100 either side: 41500 and 41600.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 41580 rounds to 41600.
- Answer: 41,600
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
- Is this Grade 3 Working with Estimation Common Errors quiz really free?
- Yes. Every quizzes 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 Word Problems, Working with Estimation Techniques, Introducing Estimation. 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 Estimation Common Errors?
- Move on to Introducing Estimation, Estimation in Context, which build directly on this idea.
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