Free Grade 3 Working with Estimation Techniques Lesson Plans
Free Grade 3 lesson plans for Working with Estimation Techniques: 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
Stretch
15 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with estimation techniques
Explain working with estimation techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with estimation techniques
Calculate working with estimation techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with estimation techniques
Compare working with estimation techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with estimation techniques
Justify working with estimation techniques 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 Techniques 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 541 to the nearest 10.[1]
- 2.Round 992 to the nearest 10.[1]
- 3.Round 198 to the nearest 10.[1]
- 4.Round 451 to the nearest 10.[1]
- 5.Round 1,412 to the nearest 100.[2]
- 6.Round 6,249 to the nearest 10.[2]
- 7.Round 4,407 to the nearest 10.[2]
- 8.Round 5,896 to the nearest 100.[2]
- 9.Round 5,664 to the nearest 1,000.[3]
- 10.Round 95,181 to the nearest 1,000.[3]
- 11.Round 84,002 to the nearest 100.[3]
- 12.Round 58,899 to the nearest 100.[3]
Show answers and working
1. 540
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. 541 rounds to 540.
2. 990
Find the two multiples of 10 either side: 990 and 1000. Look at the digit to the right of the rounding place: 5 or more rounds up. 992 rounds to 990.
3. 200
Find the two multiples of 10 either side: 190 and 200. Look at the digit to the right of the rounding place: 5 or more rounds up. 198 rounds to 200.
4. 450
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. 451 rounds to 450.
5. 1,400
Find the two multiples of 100 either side: 1400 and 1500. Look at the digit to the right of the rounding place: 5 or more rounds up. 1412 rounds to 1400.
6. 6,250
Find the two multiples of 10 either side: 6240 and 6250. Look at the digit to the right of the rounding place: 5 or more rounds up. 6249 rounds to 6250.
7. 4,410
Find the two multiples of 10 either side: 4400 and 4410. Look at the digit to the right of the rounding place: 5 or more rounds up. 4407 rounds to 4410.
8. 5,900
Find the two multiples of 100 either side: 5800 and 5900. Look at the digit to the right of the rounding place: 5 or more rounds up. 5896 rounds to 5900.
9. 6,000
Find the two multiples of 1000 either side: 5000 and 6000. Look at the digit to the right of the rounding place: 5 or more rounds up. 5664 rounds to 6000.
10. 95,000
Find the two multiples of 1000 either side: 95000 and 96000. Look at the digit to the right of the rounding place: 5 or more rounds up. 95181 rounds to 95000.
11. 84,000
Find the two multiples of 100 either side: 84000 and 84100. Look at the digit to the right of the rounding place: 5 or more rounds up. 84002 rounds to 84000.
12. 58,900
Find the two multiples of 100 either side: 58800 and 58900. Look at the digit to the right of the rounding place: 5 or more rounds up. 58899 rounds to 58900.
Worked examples
Round 694 to the nearest 10.
- Find the two multiples of 10 either side: 690 and 700.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 694 rounds to 690.
- Answer: 690
Round 5,214 to the nearest 10.
- Find the two multiples of 10 either side: 5210 and 5220.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 5214 rounds to 5210.
- Answer: 5,210
Round 68,168 to the nearest 100.
- Find the two multiples of 100 either side: 68100 and 68200.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 68168 rounds to 68200.
- Answer: 68,200
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 Techniques 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 Working with Estimation Essentials, 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 Techniques?
- Move on to Working with Estimation Word Problems, Working with Estimation Common Errors, Introducing Estimation, Estimation in Context, which build directly on this idea.
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