Free Grade 3 Introduction to Working with Estimation Techniques Flashcards
Free Grade 3 flashcards 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.
Free
Foundation
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 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.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.Round 660 to the nearest 10.[1]
- 2.Round 583 to the nearest 10.[1]
- 3.Round 755 to the nearest 10.[1]
- 4.Round 733 to the nearest 10.[1]
- 5.Round 573 to the nearest 100.[2]
- 6.Round 8,331 to the nearest 10.[2]
- 7.Round 5,339 to the nearest 10.[2]
- 8.Round 8,978 to the nearest 10.[2]
- 9.Round 60,354 to the nearest 1,000.[3]
- 10.Round 37,518 to the nearest 100.[3]
- 11.Round 22,869 to the nearest 100.[3]
- 12.Round 78,039 to the nearest 1,000.[3]
Show answers and working
1. 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.
2. 580
Find the two multiples of 10 either side: 580 and 590. Look at the digit to the right of the rounding place: 5 or more rounds up. 583 rounds to 580.
3. 760
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. 755 rounds to 760.
4. 730
Find the two multiples of 10 either side: 730 and 740. Look at the digit to the right of the rounding place: 5 or more rounds up. 733 rounds to 730.
5. 600
Find the two multiples of 100 either side: 500 and 600. Look at the digit to the right of the rounding place: 5 or more rounds up. 573 rounds to 600.
6. 8,330
Find the two multiples of 10 either side: 8330 and 8340. Look at the digit to the right of the rounding place: 5 or more rounds up. 8331 rounds to 8330.
7. 5,340
Find the two multiples of 10 either side: 5330 and 5340. Look at the digit to the right of the rounding place: 5 or more rounds up. 5339 rounds to 5340.
8. 8,980
Find the two multiples of 10 either side: 8970 and 8980. Look at the digit to the right of the rounding place: 5 or more rounds up. 8978 rounds to 8980.
9. 60,000
Find the two multiples of 1000 either side: 60000 and 61000. Look at the digit to the right of the rounding place: 5 or more rounds up. 60354 rounds to 60000.
10. 37,500
Find the two multiples of 100 either side: 37500 and 37600. Look at the digit to the right of the rounding place: 5 or more rounds up. 37518 rounds to 37500.
11. 22,900
Find the two multiples of 100 either side: 22800 and 22900. Look at the digit to the right of the rounding place: 5 or more rounds up. 22869 rounds to 22900.
12. 78,000
Find the two multiples of 1000 either side: 78000 and 79000. Look at the digit to the right of the rounding place: 5 or more rounds up. 78039 rounds to 78000.
Worked examples
Round 846 to the nearest 10.
- Find the two multiples of 10 either side: 840 and 850.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 846 rounds to 850.
- Answer: 850
Round 8,222 to the nearest 100.
- Find the two multiples of 100 either side: 8200 and 8300.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 8222 rounds to 8200.
- Answer: 8,200
Round 68,969 to the nearest 100.
- Find the two multiples of 100 either side: 68900 and 69000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 68969 rounds to 69000.
- Answer: 69,000
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 Techniques flashcards really free?
- Yes. Every flashcards 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 flashcards 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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