Free Grade 3 Introduction to Working with Estimation Essentials Lesson Plans
Free Grade 3 lesson plans for Introduction to 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 introduction to working with estimation essentials
Explain introduction to working with estimation essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate introduction to working with estimation essentials
Calculate introduction to working with estimation essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare introduction to working with estimation essentials
Compare introduction to working with estimation essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify introduction to working with estimation essentials
Justify introduction to 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 Introduction to 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 639 to the nearest 10.[1]
- 2.Round 916 to the nearest 10.[1]
- 3.Round 972 to the nearest 10.[1]
- 4.Round 619 to the nearest 10.[1]
- 5.Round 8,074 to the nearest 100.[2]
- 6.Round 5,498 to the nearest 10.[2]
- 7.Round 8,902 to the nearest 100.[2]
- 8.Round 6,928 to the nearest 100.[2]
- 9.Round 54,150 to the nearest 100.[3]
- 10.Round 23,718 to the nearest 1,000.[3]
- 11.Round 65,774 to the nearest 1,000.[3]
- 12.Round 66,840 to the nearest 100.[3]
Show answers and working
1. 640
Find the two multiples of 10 either side: 630 and 640. Look at the digit to the right of the rounding place: 5 or more rounds up. 639 rounds to 640.
2. 920
Find the two multiples of 10 either side: 910 and 920. Look at the digit to the right of the rounding place: 5 or more rounds up. 916 rounds to 920.
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. 972 rounds to 970.
4. 620
Find the two multiples of 10 either side: 610 and 620. Look at the digit to the right of the rounding place: 5 or more rounds up. 619 rounds to 620.
5. 8,100
Find the two multiples of 100 either side: 8000 and 8100. Look at the digit to the right of the rounding place: 5 or more rounds up. 8074 rounds to 8100.
6. 5,500
Find the two multiples of 10 either side: 5490 and 5500. Look at the digit to the right of the rounding place: 5 or more rounds up. 5498 rounds to 5500.
7. 8,900
Find the two multiples of 100 either side: 8900 and 9000. Look at the digit to the right of the rounding place: 5 or more rounds up. 8902 rounds to 8900.
8. 6,900
Find the two multiples of 100 either side: 6900 and 7000. Look at the digit to the right of the rounding place: 5 or more rounds up. 6928 rounds to 6900.
9. 54,200
Find the two multiples of 100 either side: 54100 and 54200. Look at the digit to the right of the rounding place: 5 or more rounds up. 54150 rounds to 54200.
10. 24,000
Find the two multiples of 1000 either side: 23000 and 24000. Look at the digit to the right of the rounding place: 5 or more rounds up. 23718 rounds to 24000.
11. 66,000
Find the two multiples of 1000 either side: 65000 and 66000. Look at the digit to the right of the rounding place: 5 or more rounds up. 65774 rounds to 66000.
12. 66,800
Find the two multiples of 100 either side: 66800 and 66900. Look at the digit to the right of the rounding place: 5 or more rounds up. 66840 rounds to 66800.
Worked examples
Round 921 to the nearest 10.
- Find the two multiples of 10 either side: 920 and 930.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 921 rounds to 920.
- Answer: 920
Round 7,973 to the nearest 100.
- Find the two multiples of 100 either side: 7900 and 8000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 7973 rounds to 8000.
- Answer: 8,000
Round 2,313 to the nearest 1,000.
- Find the two multiples of 1000 either side: 2000 and 3000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 2313 rounds to 2000.
- Answer: 2,000
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
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Frequently asked
- Is this Grade 3 Introduction to 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 Introduction to Working with Estimation Essentials?
- Move on to Key Vocabulary of Working with Estimation Essentials, Rules and Methods in Working with Estimation Essentials, Working with Working with Estimation Essentials, Working with Estimation Essentials in Examinations, which build directly on this idea.
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