Free Grade 3 Working with Estimation Worksheets
Free Grade 3 worksheets for Working with 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
Foundation
35 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify working with estimation
Identify working with estimation accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain working with estimation
Explain working with estimation accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with estimation
Calculate working with estimation accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with estimation
Compare working with 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 Working with 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 146 to the nearest 10.[1]
- 2.Round 431 to the nearest 10.[1]
- 3.Round 829 to the nearest 10.[1]
- 4.Round 482 to the nearest 10.[1]
- 5.Round 1,048 to the nearest 100.[2]
- 6.Round 977 to the nearest 100.[2]
- 7.Round 5,731 to the nearest 100.[2]
- 8.Round 2,229 to the nearest 10.[2]
- 9.Round 4,063 to the nearest 100.[3]
- 10.Round 83,214 to the nearest 1,000.[3]
- 11.Round 35,258 to the nearest 100.[3]
- 12.Round 88,023 to the nearest 1,000.[3]
Show answers and working
1. 150
Find the two multiples of 10 either side: 140 and 150. Look at the digit to the right of the rounding place: 5 or more rounds up. 146 rounds to 150.
2. 430
Find the two multiples of 10 either side: 430 and 440. Look at the digit to the right of the rounding place: 5 or more rounds up. 431 rounds to 430.
3. 830
Find the two multiples of 10 either side: 820 and 830. Look at the digit to the right of the rounding place: 5 or more rounds up. 829 rounds to 830.
4. 480
Find the two multiples of 10 either side: 480 and 490. Look at the digit to the right of the rounding place: 5 or more rounds up. 482 rounds to 480.
5. 1,000
Find the two multiples of 100 either side: 1000 and 1100. Look at the digit to the right of the rounding place: 5 or more rounds up. 1048 rounds to 1000.
6. 1,000
Find the two multiples of 100 either side: 900 and 1000. Look at the digit to the right of the rounding place: 5 or more rounds up. 977 rounds to 1000.
7. 5,700
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. 5731 rounds to 5700.
8. 2,230
Find the two multiples of 10 either side: 2220 and 2230. Look at the digit to the right of the rounding place: 5 or more rounds up. 2229 rounds to 2230.
9. 4,100
Find the two multiples of 100 either side: 4000 and 4100. Look at the digit to the right of the rounding place: 5 or more rounds up. 4063 rounds to 4100.
10. 83,000
Find the two multiples of 1000 either side: 83000 and 84000. Look at the digit to the right of the rounding place: 5 or more rounds up. 83214 rounds to 83000.
11. 35,300
Find the two multiples of 100 either side: 35200 and 35300. Look at the digit to the right of the rounding place: 5 or more rounds up. 35258 rounds to 35300.
12. 88,000
Find the two multiples of 1000 either side: 88000 and 89000. Look at the digit to the right of the rounding place: 5 or more rounds up. 88023 rounds to 88000.
Worked examples
Round 258 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.
- 258 rounds to 260.
- Answer: 260
Round 6,224 to the nearest 10.
- Find the two multiples of 10 either side: 6220 and 6230.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 6224 rounds to 6220.
- Answer: 6,220
Round 71,221 to the nearest 1,000.
- Find the two multiples of 1000 either side: 71000 and 72000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 71221 rounds to 71000.
- Answer: 71,000
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 Working with Estimation
One concept, one ecosystem — all of it free.
Goes deeper
The entities below this one, each with the same complete free resource set.
Sibling concepts
Related concepts
Lateral links, including across subjects.
Next topics
All free formats for this concept
Every kind below is a real page, generated from this entity.
Learn — Meet the idea.
Practice — Build fluency.
Revise — Keep it in memory.
Assess — Prove mastery.
Apply — Use it in context.
Teach — Deliver it to a class.
Frequently asked
- Is this Grade 3 Working with 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 Introducing Estimation, 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 Estimation?
- Move on to Estimation in Context, Reading Whole Numbers, Place Value, Digits, which build directly on this idea.
Related resources
Stuck on Working with Estimation? The AI Tutor already knows this page, its prerequisites and its common mistakes.
Open the free AI Tutor