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Free Grade 3 Introduction to Working with Estimation Techniques Lesson Plans

Free Grade 3 lesson plans for Introduction to 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.

Price

Free

Difficulty

Core

Estimated time

20 min

Total marks

24

Learning objectives

Every objective is checkable, and each one maps to an activity and an assessment.

  • UnderstandExplain introduction to working with estimation techniques

    Explain introduction to working with estimation techniques accurately in a familiar context.

    Assessed by: Exit ticket of four short items

  • ApplyCalculate introduction to working with estimation techniques

    Calculate introduction to working with estimation techniques accurately in a familiar context.

    Assessed by: Exit ticket of four short items

  • AnalyseCompare introduction to working with estimation techniques

    Compare introduction to working with estimation techniques accurately in a familiar context.

    Assessed by: Exit ticket of four short items

  • EvaluateJustify introduction to working with estimation techniques

    Justify introduction to 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 Introduction to 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.

Key wordsroundnearestestimateapproximately

12 practice questions

Easy to hard, 24 marks in total. Try them first, then open the answers.

  1. 1.Round 519 to the nearest 10.[1]
  2. 2.Round 443 to the nearest 10.[1]
  3. 3.Round 188 to the nearest 10.[1]
  4. 4.Round 761 to the nearest 10.[1]
  5. 5.Round 9,893 to the nearest 10.[2]
  6. 6.Round 3,975 to the nearest 100.[2]
  7. 7.Round 8,319 to the nearest 100.[2]
  8. 8.Round 9,115 to the nearest 10.[2]
  9. 9.Round 78,632 to the nearest 100.[3]
  10. 10.Round 41,719 to the nearest 1,000.[3]
  11. 11.Round 98,240 to the nearest 1,000.[3]
  12. 12.Round 48,540 to the nearest 100.[3]
Show answers and working
  1. 1. 520

    Find the two multiples of 10 either side: 510 and 520. Look at the digit to the right of the rounding place: 5 or more rounds up. 519 rounds to 520.

  2. 2. 440

    Find the two multiples of 10 either side: 440 and 450. Look at the digit to the right of the rounding place: 5 or more rounds up. 443 rounds to 440.

  3. 3. 190

    Find the two multiples of 10 either side: 180 and 190. Look at the digit to the right of the rounding place: 5 or more rounds up. 188 rounds to 190.

  4. 4. 760

    Find the two multiples of 10 either side: 760 and 770. Look at the digit to the right of the rounding place: 5 or more rounds up. 761 rounds to 760.

  5. 5. 9,890

    Find the two multiples of 10 either side: 9890 and 9900. Look at the digit to the right of the rounding place: 5 or more rounds up. 9893 rounds to 9890.

  6. 6. 4,000

    Find the two multiples of 100 either side: 3900 and 4000. Look at the digit to the right of the rounding place: 5 or more rounds up. 3975 rounds to 4000.

  7. 7. 8,300

    Find the two multiples of 100 either side: 8300 and 8400. Look at the digit to the right of the rounding place: 5 or more rounds up. 8319 rounds to 8300.

  8. 8. 9,120

    Find the two multiples of 10 either side: 9110 and 9120. Look at the digit to the right of the rounding place: 5 or more rounds up. 9115 rounds to 9120.

  9. 9. 78,600

    Find the two multiples of 100 either side: 78600 and 78700. Look at the digit to the right of the rounding place: 5 or more rounds up. 78632 rounds to 78600.

  10. 10. 42,000

    Find the two multiples of 1000 either side: 41000 and 42000. Look at the digit to the right of the rounding place: 5 or more rounds up. 41719 rounds to 42000.

  11. 11. 98,000

    Find the two multiples of 1000 either side: 98000 and 99000. Look at the digit to the right of the rounding place: 5 or more rounds up. 98240 rounds to 98000.

  12. 12. 48,500

    Find the two multiples of 100 either side: 48500 and 48600. Look at the digit to the right of the rounding place: 5 or more rounds up. 48540 rounds to 48500.

Worked examples

Easy example

Round 164 to the nearest 10.

  1. Find the two multiples of 10 either side: 160 and 170.
  2. Look at the digit to the right of the rounding place: 5 or more rounds up.
  3. 164 rounds to 160.
  4. Answer: 160
Medium example

Round 4,063 to the nearest 10.

  1. Find the two multiples of 10 either side: 4060 and 4070.
  2. Look at the digit to the right of the rounding place: 5 or more rounds up.
  3. 4063 rounds to 4060.
  4. Answer: 4,060
Hard example

Round 52,286 to the nearest 1,000.

  1. Find the two multiples of 1000 either side: 52000 and 53000.
  2. Look at the digit to the right of the rounding place: 5 or more rounds up.
  3. 52286 rounds to 52000.
  4. Answer: 52,000

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.

OCR OCR-787.1 — Mapped statement covering Introduction to Working with Estimation Techniques.CAMBRIDGE CAM-179.2 — Mapped statement covering Introduction to Working with Estimation Techniques.

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Frequently asked

Is this Grade 3 Introduction to 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. 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 Techniques?
Move on to Key Vocabulary of Working with Estimation Techniques, Rules and Methods in Working with Estimation Techniques, Working with Working with Estimation Techniques, Working with Estimation Techniques in Examinations, which build directly on this idea.

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