Free Grade 3 Estimation Worksheets
Free Grade 3 worksheets 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
Core
15 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 311 to the nearest 10.[1]
- 2.Round 896 to the nearest 10.[1]
- 3.Round 400 to the nearest 10.[1]
- 4.Round 211 to the nearest 10.[1]
- 5.Round 5,849 to the nearest 10.[2]
- 6.Round 5,778 to the nearest 100.[2]
- 7.Round 9,753 to the nearest 10.[2]
- 8.Round 7,197 to the nearest 100.[2]
- 9.Round 77,587 to the nearest 1,000.[3]
- 10.Round 28,917 to the nearest 1,000.[3]
- 11.Round 69,771 to the nearest 1,000.[3]
- 12.Round 74,540 to the nearest 1,000.[3]
Show answers and working
1. 310
Find the two multiples of 10 either side: 310 and 320. Look at the digit to the right of the rounding place: 5 or more rounds up. 311 rounds to 310.
2. 900
Find the two multiples of 10 either side: 890 and 900. Look at the digit to the right of the rounding place: 5 or more rounds up. 896 rounds to 900.
3. 400
Find the two multiples of 10 either side: 400 and 400. Look at the digit to the right of the rounding place: 5 or more rounds up. 400 rounds to 400.
4. 210
Find the two multiples of 10 either side: 210 and 220. Look at the digit to the right of the rounding place: 5 or more rounds up. 211 rounds to 210.
5. 5,850
Find the two multiples of 10 either side: 5840 and 5850. Look at the digit to the right of the rounding place: 5 or more rounds up. 5849 rounds to 5850.
6. 5,800
Find the two multiples of 100 either side: 5700 and 5800. Look at the digit to the right of the rounding place: 5 or more rounds up. 5778 rounds to 5800.
7. 9,750
Find the two multiples of 10 either side: 9750 and 9760. Look at the digit to the right of the rounding place: 5 or more rounds up. 9753 rounds to 9750.
8. 7,200
Find the two multiples of 100 either side: 7100 and 7200. Look at the digit to the right of the rounding place: 5 or more rounds up. 7197 rounds to 7200.
9. 78,000
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. 77587 rounds to 78000.
10. 29,000
Find the two multiples of 1000 either side: 28000 and 29000. Look at the digit to the right of the rounding place: 5 or more rounds up. 28917 rounds to 29000.
11. 70,000
Find the two multiples of 1000 either side: 69000 and 70000. Look at the digit to the right of the rounding place: 5 or more rounds up. 69771 rounds to 70000.
12. 75,000
Find the two multiples of 1000 either side: 74000 and 75000. Look at the digit to the right of the rounding place: 5 or more rounds up. 74540 rounds to 75000.
Worked examples
Round 943 to the nearest 10.
- 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.
- Answer: 940
Round 2,604 to the nearest 10.
- Find the two multiples of 10 either side: 2600 and 2610.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 2604 rounds to 2600.
- Answer: 2,600
Round 73,573 to the nearest 1,000.
- Find the two multiples of 1000 either side: 73000 and 74000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 73573 rounds to 74000.
- Answer: 74,000
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 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 Rounding, 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 Estimation?
- Move on to Mental Math, Whole Numbers in Real Life, Counting, Number Recognition, which build directly on this idea.
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