FreeMathWorksheet
Free · Grade 3 · Worksheets

Free Grade 3 Introduction to Working with Estimation Techniques Worksheets

Free Grade 3 worksheets 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

35 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 173 to the nearest 10.[1]
  2. 2.Round 987 to the nearest 10.[1]
  3. 3.Round 753 to the nearest 10.[1]
  4. 4.Round 660 to the nearest 10.[1]
  5. 5.Round 9,423 to the nearest 10.[2]
  6. 6.Round 9,605 to the nearest 10.[2]
  7. 7.Round 8,268 to the nearest 10.[2]
  8. 8.Round 3,631 to the nearest 100.[2]
  9. 9.Round 53,035 to the nearest 1,000.[3]
  10. 10.Round 72,075 to the nearest 100.[3]
  11. 11.Round 48,395 to the nearest 1,000.[3]
  12. 12.Round 1,800 to the nearest 100.[3]
Show answers and working
  1. 1. 170

    Find the two multiples of 10 either side: 170 and 180. Look at the digit to the right of the rounding place: 5 or more rounds up. 173 rounds to 170.

  2. 2. 990

    Find the two multiples of 10 either side: 980 and 990. Look at the digit to the right of the rounding place: 5 or more rounds up. 987 rounds to 990.

  3. 3. 750

    Find the two multiples of 10 either side: 750 and 760. Look at the digit to the right of the rounding place: 5 or more rounds up. 753 rounds to 750.

  4. 4. 660

    Find the two multiples of 10 either side: 660 and 660. Look at the digit to the right of the rounding place: 5 or more rounds up. 660 rounds to 660.

  5. 5. 9,420

    Find the two multiples of 10 either side: 9420 and 9430. Look at the digit to the right of the rounding place: 5 or more rounds up. 9423 rounds to 9420.

  6. 6. 9,610

    Find the two multiples of 10 either side: 9600 and 9610. Look at the digit to the right of the rounding place: 5 or more rounds up. 9605 rounds to 9610.

  7. 7. 8,270

    Find the two multiples of 10 either side: 8260 and 8270. Look at the digit to the right of the rounding place: 5 or more rounds up. 8268 rounds to 8270.

  8. 8. 3,600

    Find the two multiples of 100 either side: 3600 and 3700. Look at the digit to the right of the rounding place: 5 or more rounds up. 3631 rounds to 3600.

  9. 9. 53,000

    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. 53035 rounds to 53000.

  10. 10. 72,100

    Find the two multiples of 100 either side: 72000 and 72100. Look at the digit to the right of the rounding place: 5 or more rounds up. 72075 rounds to 72100.

  11. 11. 48,000

    Find the two multiples of 1000 either side: 48000 and 49000. Look at the digit to the right of the rounding place: 5 or more rounds up. 48395 rounds to 48000.

  12. 12. 1,800

    Find the two multiples of 100 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.

Worked examples

Easy example

Round 486 to the nearest 10.

  1. Find the two multiples of 10 either side: 480 and 490.
  2. Look at the digit to the right of the rounding place: 5 or more rounds up.
  3. 486 rounds to 490.
  4. Answer: 490
Medium example

Round 4,907 to the nearest 10.

  1. Find the two multiples of 10 either side: 4900 and 4910.
  2. Look at the digit to the right of the rounding place: 5 or more rounds up.
  3. 4907 rounds to 4910.
  4. Answer: 4,910
Hard example

Round 21,182 to the nearest 100.

  1. Find the two multiples of 100 either side: 21100 and 21200.
  2. Look at the digit to the right of the rounding place: 5 or more rounds up.
  3. 21182 rounds to 21200.
  4. Answer: 21,200

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.

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.

Every free resource for Introduction to Working with Estimation Techniques

One concept, one ecosystem — all of it free.

Goes deeper

The entities below this one, each with the same complete free resource set.

Sibling concepts

Related concepts

Lateral links, including across subjects.

Next topics

All free formats for this concept

Every kind below is a real page, generated from this entity.

Frequently asked

Is this Grade 3 Introduction to Working with Estimation Techniques worksheet really free?
Yes. Every worksheets 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 worksheet 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.

Related resources

Free AI Tutor

Stuck on Introduction to Working with Estimation Techniques? The AI Tutor already knows this page, its prerequisites and its common mistakes.

Open the free AI Tutor