Free Grade 3 Estimation Quizzes
Free Grade 3 quizzes for Estimation: 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
Higher
30 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain estimation
Explain estimation accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate estimation
Calculate estimation accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare estimation
Compare estimation accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify estimation
Justify estimation 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 Estimation 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 297 to the nearest 10.[1]
- 2.Round 679 to the nearest 10.[1]
- 3.Round 665 to the nearest 10.[1]
- 4.Round 513 to the nearest 10.[1]
- 5.Round 3,578 to the nearest 10.[2]
- 6.Round 8,149 to the nearest 10.[2]
- 7.Round 6,695 to the nearest 100.[2]
- 8.Round 7,613 to the nearest 100.[2]
- 9.Round 98,733 to the nearest 100.[3]
- 10.Round 48,714 to the nearest 100.[3]
- 11.Round 25,056 to the nearest 1,000.[3]
- 12.Round 3,016 to the nearest 1,000.[3]
Show answers and working
1. 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.
2. 680
Find the two multiples of 10 either side: 670 and 680. Look at the digit to the right of the rounding place: 5 or more rounds up. 679 rounds to 680.
3. 670
Find the two multiples of 10 either side: 660 and 670. Look at the digit to the right of the rounding place: 5 or more rounds up. 665 rounds to 670.
4. 510
Find the two multiples of 10 either side: 510 and 520. Look at the digit to the right of the rounding place: 5 or more rounds up. 513 rounds to 510.
5. 3,580
Find the two multiples of 10 either side: 3570 and 3580. Look at the digit to the right of the rounding place: 5 or more rounds up. 3578 rounds to 3580.
6. 8,150
Find the two multiples of 10 either side: 8140 and 8150. Look at the digit to the right of the rounding place: 5 or more rounds up. 8149 rounds to 8150.
7. 6,700
Find the two multiples of 100 either side: 6600 and 6700. Look at the digit to the right of the rounding place: 5 or more rounds up. 6695 rounds to 6700.
8. 7,600
Find the two multiples of 100 either side: 7600 and 7700. Look at the digit to the right of the rounding place: 5 or more rounds up. 7613 rounds to 7600.
9. 98,700
Find the two multiples of 100 either side: 98700 and 98800. Look at the digit to the right of the rounding place: 5 or more rounds up. 98733 rounds to 98700.
10. 48,700
Find the two multiples of 100 either side: 48700 and 48800. Look at the digit to the right of the rounding place: 5 or more rounds up. 48714 rounds to 48700.
11. 25,000
Find the two multiples of 1000 either side: 25000 and 26000. Look at the digit to the right of the rounding place: 5 or more rounds up. 25056 rounds to 25000.
12. 3,000
Find the two multiples of 1000 either side: 3000 and 4000. Look at the digit to the right of the rounding place: 5 or more rounds up. 3016 rounds to 3000.
Worked examples
Round 452 to the nearest 10.
- Find the two multiples of 10 either side: 450 and 460.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 452 rounds to 450.
- Answer: 450
Round 4,932 to the nearest 10.
- Find the two multiples of 10 either side: 4930 and 4940.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 4932 rounds to 4930.
- Answer: 4,930
Round 27,683 to the nearest 1,000.
- Find the two multiples of 1000 either side: 27000 and 28000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 27683 rounds to 28000.
- Answer: 28,000
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.
Every free resource for Estimation
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Frequently asked
- Is this Grade 3 Estimation 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 Rounding, 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 Estimation?
- Move on to Mental Math, Whole Numbers in Real Life, Counting, Number Recognition, which build directly on this idea.
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