Free Grade 3 Introducing Rounding Common Errors Worksheets
Free Grade 3 worksheets for Introducing 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
30 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify introducing rounding common errors
Identify introducing rounding common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain introducing rounding common errors
Explain introducing rounding common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate introducing rounding common errors
Calculate introducing rounding common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare introducing rounding common errors
Compare introducing 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 Introducing 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 529 to the nearest 10.[1]
- 2.Round 297 to the nearest 10.[1]
- 3.Round 501 to the nearest 10.[1]
- 4.Round 878 to the nearest 10.[1]
- 5.Round 1,116 to the nearest 10.[2]
- 6.Round 9,753 to the nearest 100.[2]
- 7.Round 3,964 to the nearest 10.[2]
- 8.Round 1,856 to the nearest 100.[2]
- 9.Round 97,926 to the nearest 1,000.[3]
- 10.Round 18,640 to the nearest 100.[3]
- 11.Round 62,448 to the nearest 1,000.[3]
- 12.Round 6,772 to the nearest 100.[3]
Show answers and working
1. 530
Find the two multiples of 10 either side: 520 and 530. Look at the digit to the right of the rounding place: 5 or more rounds up. 529 rounds to 530.
2. 300
Find the two multiples of 10 either side: 290 and 300. Look at the digit to the right of the rounding place: 5 or more rounds up. 297 rounds to 300.
3. 500
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. 501 rounds to 500.
4. 880
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. 878 rounds to 880.
5. 1,120
Find the two multiples of 10 either side: 1110 and 1120. Look at the digit to the right of the rounding place: 5 or more rounds up. 1116 rounds to 1120.
6. 9,800
Find the two multiples of 100 either side: 9700 and 9800. Look at the digit to the right of the rounding place: 5 or more rounds up. 9753 rounds to 9800.
7. 3,960
Find the two multiples of 10 either side: 3960 and 3970. Look at the digit to the right of the rounding place: 5 or more rounds up. 3964 rounds to 3960.
8. 1,900
Find the two multiples of 100 either side: 1800 and 1900. Look at the digit to the right of the rounding place: 5 or more rounds up. 1856 rounds to 1900.
9. 98,000
Find the two multiples of 1000 either side: 97000 and 98000. Look at the digit to the right of the rounding place: 5 or more rounds up. 97926 rounds to 98000.
10. 18,600
Find the two multiples of 100 either side: 18600 and 18700. Look at the digit to the right of the rounding place: 5 or more rounds up. 18640 rounds to 18600.
11. 62,000
Find the two multiples of 1000 either side: 62000 and 63000. Look at the digit to the right of the rounding place: 5 or more rounds up. 62448 rounds to 62000.
12. 6,800
Find the two multiples of 100 either side: 6700 and 6800. Look at the digit to the right of the rounding place: 5 or more rounds up. 6772 rounds to 6800.
Worked examples
Round 550 to the nearest 10.
- Find the two multiples of 10 either side: 550 and 550.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 550 rounds to 550.
- Answer: 550
Round 2,489 to the nearest 10.
- Find the two multiples of 10 either side: 2480 and 2490.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 2489 rounds to 2490.
- Answer: 2,490
Round 53,658 to the nearest 100.
- Find the two multiples of 100 either side: 53600 and 53700.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 53658 rounds to 53700.
- Answer: 53,700
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 Introducing 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 Introducing Rounding Word Problems, Introducing Rounding Techniques, Word Form. 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 Introducing Rounding Common Errors?
- Move on to Working with Rounding, Rounding in Context, which build directly on this idea.
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