Free Grade 3 What is Working with Estimation in Context Common Errors Worksheets
Free Grade 3 worksheets for What is Working with Estimation in Context 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
Stretch
25 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain what is working with estimation in context common errors
Explain what is working with estimation in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate what is working with estimation in context common errors
Calculate what is working with estimation in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare what is working with estimation in context common errors
Compare what is working with estimation in context common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify what is working with estimation in context common errors
Justify what is working with estimation in context 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 What is Working with Estimation in Context 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 859 to the nearest 10.[1]
- 2.Round 596 to the nearest 10.[1]
- 3.Round 618 to the nearest 10.[1]
- 4.Round 887 to the nearest 10.[1]
- 5.Round 3,228 to the nearest 10.[2]
- 6.Round 5,173 to the nearest 10.[2]
- 7.Round 7,530 to the nearest 100.[2]
- 8.Round 7,669 to the nearest 10.[2]
- 9.Round 42,793 to the nearest 1,000.[3]
- 10.Round 20,526 to the nearest 1,000.[3]
- 11.Round 39,284 to the nearest 1,000.[3]
- 12.Round 77,333 to the nearest 1,000.[3]
Show answers and working
1. 860
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. 859 rounds to 860.
2. 600
Find the two multiples of 10 either side: 590 and 600. Look at the digit to the right of the rounding place: 5 or more rounds up. 596 rounds to 600.
3. 620
Find the two multiples of 10 either side: 610 and 620. Look at the digit to the right of the rounding place: 5 or more rounds up. 618 rounds to 620.
4. 890
Find the two multiples of 10 either side: 880 and 890. Look at the digit to the right of the rounding place: 5 or more rounds up. 887 rounds to 890.
5. 3,230
Find the two multiples of 10 either side: 3220 and 3230. Look at the digit to the right of the rounding place: 5 or more rounds up. 3228 rounds to 3230.
6. 5,170
Find the two multiples of 10 either side: 5170 and 5180. Look at the digit to the right of the rounding place: 5 or more rounds up. 5173 rounds to 5170.
7. 7,500
Find the two multiples of 100 either side: 7500 and 7600. Look at the digit to the right of the rounding place: 5 or more rounds up. 7530 rounds to 7500.
8. 7,670
Find the two multiples of 10 either side: 7660 and 7670. Look at the digit to the right of the rounding place: 5 or more rounds up. 7669 rounds to 7670.
9. 43,000
Find the two multiples of 1000 either side: 42000 and 43000. Look at the digit to the right of the rounding place: 5 or more rounds up. 42793 rounds to 43000.
10. 21,000
Find the two multiples of 1000 either side: 20000 and 21000. Look at the digit to the right of the rounding place: 5 or more rounds up. 20526 rounds to 21000.
11. 39,000
Find the two multiples of 1000 either side: 39000 and 40000. Look at the digit to the right of the rounding place: 5 or more rounds up. 39284 rounds to 39000.
12. 77,000
Find the two multiples of 1000 either side: 77000 and 78000. Look at the digit to the right of the rounding place: 5 or more rounds up. 77333 rounds to 77000.
Worked examples
Round 994 to the nearest 10.
- Find the two multiples of 10 either side: 990 and 1000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 994 rounds to 990.
- Answer: 990
Round 7,532 to the nearest 100.
- Find the two multiples of 100 either side: 7500 and 7600.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 7532 rounds to 7500.
- Answer: 7,500
Round 38,929 to the nearest 100.
- Find the two multiples of 100 either side: 38900 and 39000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 38929 rounds to 38900.
- Answer: 38,900
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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- What should a learner already know before this?
- Start with Rules and Methods in Estimation in Context Common Errors. Each one has its own free lesson, worksheet and quiz.
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- Recognition first, then understanding, application, reasoning and finally mastery — the same ladder used across every free resource on the platform.
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- Move on to Working with Estimation in Context Common Errors: Step-by-step Method, Working with Estimation in Context Common Errors: Worked Examples, Working with Estimation in Context Common Errors: Visual Models, Working with Estimation in Context Common Errors: Common Mistakes, which build directly on this idea.
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