Free Grade 3 Working with Estimation Essentials Lesson Plans
Free Grade 3 lesson plans for Working with Estimation Essentials: 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
30 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with estimation essentials
Explain working with estimation essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with estimation essentials
Calculate working with estimation essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with estimation essentials
Compare working with estimation essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with estimation essentials
Justify working with estimation essentials 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 Essentials 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 573 to the nearest 10.[1]
- 2.Round 352 to the nearest 10.[1]
- 3.Round 100 to the nearest 10.[1]
- 4.Round 162 to the nearest 10.[1]
- 5.Round 3,007 to the nearest 10.[2]
- 6.Round 1,279 to the nearest 100.[2]
- 7.Round 3,770 to the nearest 10.[2]
- 8.Round 6,540 to the nearest 100.[2]
- 9.Round 72,272 to the nearest 100.[3]
- 10.Round 28,718 to the nearest 1,000.[3]
- 11.Round 93,777 to the nearest 100.[3]
- 12.Round 53,916 to the nearest 1,000.[3]
Show answers and working
1. 570
Find the two multiples of 10 either side: 570 and 580. Look at the digit to the right of the rounding place: 5 or more rounds up. 573 rounds to 570.
2. 350
Find the two multiples of 10 either side: 350 and 360. Look at the digit to the right of the rounding place: 5 or more rounds up. 352 rounds to 350.
3. 100
Find the two multiples of 10 either side: 100 and 100. Look at the digit to the right of the rounding place: 5 or more rounds up. 100 rounds to 100.
4. 160
Find the two multiples of 10 either side: 160 and 170. Look at the digit to the right of the rounding place: 5 or more rounds up. 162 rounds to 160.
5. 3,010
Find the two multiples of 10 either side: 3000 and 3010. Look at the digit to the right of the rounding place: 5 or more rounds up. 3007 rounds to 3010.
6. 1,300
Find the two multiples of 100 either side: 1200 and 1300. Look at the digit to the right of the rounding place: 5 or more rounds up. 1279 rounds to 1300.
7. 3,770
Find the two multiples of 10 either side: 3770 and 3770. Look at the digit to the right of the rounding place: 5 or more rounds up. 3770 rounds to 3770.
8. 6,500
Find the two multiples of 100 either side: 6500 and 6600. Look at the digit to the right of the rounding place: 5 or more rounds up. 6540 rounds to 6500.
9. 72,300
Find the two multiples of 100 either side: 72200 and 72300. Look at the digit to the right of the rounding place: 5 or more rounds up. 72272 rounds to 72300.
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. 28718 rounds to 29000.
11. 93,800
Find the two multiples of 100 either side: 93700 and 93800. Look at the digit to the right of the rounding place: 5 or more rounds up. 93777 rounds to 93800.
12. 54,000
Find the two multiples of 1000 either side: 53000 and 54000. Look at the digit to the right of the rounding place: 5 or more rounds up. 53916 rounds to 54000.
Worked examples
Round 548 to the nearest 10.
- Find the two multiples of 10 either side: 540 and 550.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 548 rounds to 550.
- Answer: 550
Round 7,433 to the nearest 100.
- Find the two multiples of 100 either side: 7400 and 7500.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 7433 rounds to 7400.
- Answer: 7,400
Round 77,082 to the nearest 100.
- Find the two multiples of 100 either side: 77000 and 77100.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 77082 rounds to 77100.
- Answer: 77,100
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 Essentials 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. 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 Essentials?
- Move on to Working with Estimation Techniques, Working with Estimation Word Problems, Working with Estimation Common Errors, Introducing Estimation, which build directly on this idea.
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