Free Grade 3 Working with Rounding Common Errors Worksheets
Free Grade 3 worksheets for Working with Rounding 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.
- RememberIdentify working with rounding common errors
Identify working with rounding common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain working with rounding common errors
Explain working with rounding common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with rounding common errors
Calculate working with rounding common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with rounding common errors
Compare working with rounding 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 Rounding 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 246 to the nearest 10.[1]
- 2.Round 508 to the nearest 10.[1]
- 3.Round 985 to the nearest 10.[1]
- 4.Round 376 to the nearest 10.[1]
- 5.Round 3,898 to the nearest 100.[2]
- 6.Round 1,833 to the nearest 10.[2]
- 7.Round 4,754 to the nearest 100.[2]
- 8.Round 4,204 to the nearest 100.[2]
- 9.Round 13,048 to the nearest 100.[3]
- 10.Round 83,490 to the nearest 100.[3]
- 11.Round 96,394 to the nearest 1,000.[3]
- 12.Round 54,449 to the nearest 100.[3]
Show answers and working
1. 250
Find the two multiples of 10 either side: 240 and 250. Look at the digit to the right of the rounding place: 5 or more rounds up. 246 rounds to 250.
2. 510
Find the two multiples of 10 either side: 500 and 510. Look at the digit to the right of the rounding place: 5 or more rounds up. 508 rounds to 510.
3. 990
Find the two multiples of 10 either side: 980 and 990. Look at the digit to the right of the rounding place: 5 or more rounds up. 985 rounds to 990.
4. 380
Find the two multiples of 10 either side: 370 and 380. Look at the digit to the right of the rounding place: 5 or more rounds up. 376 rounds to 380.
5. 3,900
Find the two multiples of 100 either side: 3800 and 3900. Look at the digit to the right of the rounding place: 5 or more rounds up. 3898 rounds to 3900.
6. 1,830
Find the two multiples of 10 either side: 1830 and 1840. Look at the digit to the right of the rounding place: 5 or more rounds up. 1833 rounds to 1830.
7. 4,800
Find the two multiples of 100 either side: 4700 and 4800. Look at the digit to the right of the rounding place: 5 or more rounds up. 4754 rounds to 4800.
8. 4,200
Find the two multiples of 100 either side: 4200 and 4300. Look at the digit to the right of the rounding place: 5 or more rounds up. 4204 rounds to 4200.
9. 13,000
Find the two multiples of 100 either side: 13000 and 13100. Look at the digit to the right of the rounding place: 5 or more rounds up. 13048 rounds to 13000.
10. 83,500
Find the two multiples of 100 either side: 83400 and 83500. Look at the digit to the right of the rounding place: 5 or more rounds up. 83490 rounds to 83500.
11. 96,000
Find the two multiples of 1000 either side: 96000 and 97000. Look at the digit to the right of the rounding place: 5 or more rounds up. 96394 rounds to 96000.
12. 54,400
Find the two multiples of 100 either side: 54400 and 54500. Look at the digit to the right of the rounding place: 5 or more rounds up. 54449 rounds to 54400.
Worked examples
Round 159 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.
- 159 rounds to 160.
- Answer: 160
Round 461 to the nearest 100.
- Find the two multiples of 100 either side: 400 and 500.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 461 rounds to 500.
- Answer: 500
Round 72,439 to the nearest 1,000.
- Find the two multiples of 1000 either side: 72000 and 73000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 72439 rounds to 72000.
- Answer: 72,000
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
How mastery is evidenced, and which standards it maps to.
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Frequently asked
- Is this Grade 3 Working with Rounding Common Errors worksheet really free?
- Yes. Every worksheets 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 Rounding Word Problems, Working with Rounding Techniques, Introducing Rounding. Each one has its own free lesson, worksheet and quiz.
- How is the worksheet 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 Rounding Common Errors?
- Move on to Introducing Rounding, Rounding in Context, which build directly on this idea.
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