Free Grade 3 Working with Estimation Lesson Plans
Free Grade 3 lesson plans 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
15 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 116 to the nearest 10.[1]
- 2.Round 835 to the nearest 10.[1]
- 3.Round 974 to the nearest 10.[1]
- 4.Round 894 to the nearest 10.[1]
- 5.Round 8,588 to the nearest 100.[2]
- 6.Round 1,800 to the nearest 10.[2]
- 7.Round 4,332 to the nearest 100.[2]
- 8.Round 3,756 to the nearest 100.[2]
- 9.Round 45,153 to the nearest 100.[3]
- 10.Round 37,369 to the nearest 1,000.[3]
- 11.Round 27,895 to the nearest 1,000.[3]
- 12.Round 339 to the nearest 1,000.[3]
Show answers and working
1. 120
Find the two multiples of 10 either side: 110 and 120. Look at the digit to the right of the rounding place: 5 or more rounds up. 116 rounds to 120.
2. 840
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. 835 rounds to 840.
3. 970
Find the two multiples of 10 either side: 970 and 980. Look at the digit to the right of the rounding place: 5 or more rounds up. 974 rounds to 970.
4. 890
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. 894 rounds to 890.
5. 8,600
Find the two multiples of 100 either side: 8500 and 8600. Look at the digit to the right of the rounding place: 5 or more rounds up. 8588 rounds to 8600.
6. 1,800
Find the two multiples of 10 either side: 1800 and 1800. Look at the digit to the right of the rounding place: 5 or more rounds up. 1800 rounds to 1800.
7. 4,300
Find the two multiples of 100 either side: 4300 and 4400. Look at the digit to the right of the rounding place: 5 or more rounds up. 4332 rounds to 4300.
8. 3,800
Find the two multiples of 100 either side: 3700 and 3800. Look at the digit to the right of the rounding place: 5 or more rounds up. 3756 rounds to 3800.
9. 45,200
Find the two multiples of 100 either side: 45100 and 45200. Look at the digit to the right of the rounding place: 5 or more rounds up. 45153 rounds to 45200.
10. 37,000
Find the two multiples of 1000 either side: 37000 and 38000. Look at the digit to the right of the rounding place: 5 or more rounds up. 37369 rounds to 37000.
11. 28,000
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. 27895 rounds to 28000.
12. 0
Find the two multiples of 1000 either side: 0 and 1000. Look at the digit to the right of the rounding place: 5 or more rounds up. 339 rounds to 0.
Worked examples
Round 777 to the nearest 10.
- Find the two multiples of 10 either side: 770 and 780.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 777 rounds to 780.
- Answer: 780
Round 723 to the nearest 10.
- Find the two multiples of 10 either side: 720 and 730.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 723 rounds to 720.
- Answer: 720
Round 97,685 to the nearest 1,000.
- 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.
- 97685 rounds to 98000.
- Answer: 98,000
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.
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Frequently asked
- Is this Grade 3 Working with Estimation lesson plan really free?
- Yes. Every lesson plans 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 lesson plan 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.
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