Free Grade 3 Working with Estimation in Context Common Errors: Real-life Applications Quizzes
Free Grade 3 quizzes for Working with Estimation in Context Common Errors: Real-life Applications: 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 estimation in context common errors: real-life applications
Explain working with estimation in context common errors: real-life applications accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with estimation in context common errors: real-life applications
Calculate working with estimation in context common errors: real-life applications accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with estimation in context common errors: real-life applications
Compare working with estimation in context common errors: real-life applications accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with estimation in context common errors: real-life applications
Justify working with estimation in context common errors: real-life applications 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 in Context Common Errors: Real-life Applications 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 188 to the nearest 10.[1]
- 2.Round 267 to the nearest 10.[1]
- 3.Round 287 to the nearest 10.[1]
- 4.Round 772 to the nearest 10.[1]
- 5.Round 8,933 to the nearest 100.[2]
- 6.Round 4,695 to the nearest 100.[2]
- 7.Round 9,237 to the nearest 100.[2]
- 8.Round 7,968 to the nearest 10.[2]
- 9.Round 98,345 to the nearest 100.[3]
- 10.Round 11,155 to the nearest 100.[3]
- 11.Round 28,967 to the nearest 100.[3]
- 12.Round 18,428 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. 188 rounds to 190.
2. 270
Find the two multiples of 10 either side: 260 and 270. Look at the digit to the right of the rounding place: 5 or more rounds up. 267 rounds to 270.
3. 290
Find the two multiples of 10 either side: 280 and 290. Look at the digit to the right of the rounding place: 5 or more rounds up. 287 rounds to 290.
4. 770
Find the two multiples of 10 either side: 770 and 780. Look at the digit to the right of the rounding place: 5 or more rounds up. 772 rounds to 770.
5. 8,900
Find the two multiples of 100 either side: 8900 and 9000. Look at the digit to the right of the rounding place: 5 or more rounds up. 8933 rounds to 8900.
6. 4,700
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. 4695 rounds to 4700.
7. 9,200
Find the two multiples of 100 either side: 9200 and 9300. Look at the digit to the right of the rounding place: 5 or more rounds up. 9237 rounds to 9200.
8. 7,970
Find the two multiples of 10 either side: 7960 and 7970. Look at the digit to the right of the rounding place: 5 or more rounds up. 7968 rounds to 7970.
9. 98,300
Find the two multiples of 100 either side: 98300 and 98400. Look at the digit to the right of the rounding place: 5 or more rounds up. 98345 rounds to 98300.
10. 11,200
Find the two multiples of 100 either side: 11100 and 11200. Look at the digit to the right of the rounding place: 5 or more rounds up. 11155 rounds to 11200.
11. 29,000
Find the two multiples of 100 either side: 28900 and 29000. Look at the digit to the right of the rounding place: 5 or more rounds up. 28967 rounds to 29000.
12. 18,400
Find the two multiples of 100 either side: 18400 and 18500. Look at the digit to the right of the rounding place: 5 or more rounds up. 18428 rounds to 18400.
Worked examples
Round 227 to the nearest 10.
- Find the two multiples of 10 either side: 220 and 230.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 227 rounds to 230.
- Answer: 230
Round 3,917 to the nearest 10.
- Find the two multiples of 10 either side: 3910 and 3920.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 3917 rounds to 3920.
- Answer: 3,920
Round 98,193 to the nearest 1,000.
- Find the two multiples of 1000 either side: 98000 and 99000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 98193 rounds to 98000.
- Answer: 98,000
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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- Move on to Introduction to Estimation in Context Common Errors, Key Vocabulary of Estimation in Context Common Errors, Rules and Methods in Estimation in Context Common Errors, Estimation in Context Common Errors in Examinations, which build directly on this idea.
Related resources
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