Free Grade 3 Introducing Rounding Common Errors Quizzes
Free Grade 3 quizzes 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
Stretch
20 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 831 to the nearest 10.[1]
- 2.Round 921 to the nearest 10.[1]
- 3.Round 943 to the nearest 10.[1]
- 4.Round 230 to the nearest 10.[1]
- 5.Round 7,866 to the nearest 100.[2]
- 6.Round 9,331 to the nearest 100.[2]
- 7.Round 4,142 to the nearest 10.[2]
- 8.Round 5,825 to the nearest 10.[2]
- 9.Round 54,200 to the nearest 100.[3]
- 10.Round 81,122 to the nearest 1,000.[3]
- 11.Round 28,862 to the nearest 100.[3]
- 12.Round 12,176 to the nearest 100.[3]
Show answers and working
1. 830
Find the two multiples of 10 either side: 830 and 840. Look at the digit to the right of the rounding place: 5 or more rounds up. 831 rounds to 830.
2. 920
Find the two multiples of 10 either side: 920 and 930. Look at the digit to the right of the rounding place: 5 or more rounds up. 921 rounds to 920.
3. 940
Find the two multiples of 10 either side: 940 and 950. Look at the digit to the right of the rounding place: 5 or more rounds up. 943 rounds to 940.
4. 230
Find the two multiples of 10 either side: 230 and 230. Look at the digit to the right of the rounding place: 5 or more rounds up. 230 rounds to 230.
5. 7,900
Find the two multiples of 100 either side: 7800 and 7900. Look at the digit to the right of the rounding place: 5 or more rounds up. 7866 rounds to 7900.
6. 9,300
Find the two multiples of 100 either side: 9300 and 9400. Look at the digit to the right of the rounding place: 5 or more rounds up. 9331 rounds to 9300.
7. 4,140
Find the two multiples of 10 either side: 4140 and 4150. Look at the digit to the right of the rounding place: 5 or more rounds up. 4142 rounds to 4140.
8. 5,830
Find the two multiples of 10 either side: 5820 and 5830. Look at the digit to the right of the rounding place: 5 or more rounds up. 5825 rounds to 5830.
9. 54,200
Find the two multiples of 100 either side: 54200 and 54200. Look at the digit to the right of the rounding place: 5 or more rounds up. 54200 rounds to 54200.
10. 81,000
Find the two multiples of 1000 either side: 81000 and 82000. Look at the digit to the right of the rounding place: 5 or more rounds up. 81122 rounds to 81000.
11. 28,900
Find the two multiples of 100 either side: 28800 and 28900. Look at the digit to the right of the rounding place: 5 or more rounds up. 28862 rounds to 28900.
12. 12,200
Find the two multiples of 100 either side: 12100 and 12200. Look at the digit to the right of the rounding place: 5 or more rounds up. 12176 rounds to 12200.
Worked examples
Round 251 to the nearest 10.
- Find the two multiples of 10 either side: 250 and 260.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 251 rounds to 250.
- Answer: 250
Round 5,251 to the nearest 100.
- Find the two multiples of 100 either side: 5200 and 5300.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 5251 rounds to 5300.
- Answer: 5,300
Round 23,329 to the nearest 100.
- Find the two multiples of 100 either side: 23300 and 23400.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 23329 rounds to 23300.
- Answer: 23,300
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 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 Introducing Rounding Word Problems, Introducing Rounding Techniques, Word Form. 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 Introducing Rounding Common Errors?
- Move on to Working with Rounding, Rounding in Context, which build directly on this idea.
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