Free Grade 3 Working with Estimation in Context Essentials Flashcards
Free Grade 3 flashcards for Working with Estimation in Context 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
15 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify working with estimation in context essentials
Identify working with estimation in context essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain working with estimation in context essentials
Explain working with estimation in context essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with estimation in context essentials
Calculate working with estimation in context essentials accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with estimation in context essentials
Compare working with estimation in context 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 Working with Estimation in Context 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 267 to the nearest 10.[1]
- 2.Round 133 to the nearest 10.[1]
- 3.Round 864 to the nearest 10.[1]
- 4.Round 911 to the nearest 10.[1]
- 5.Round 6,532 to the nearest 10.[2]
- 6.Round 6,413 to the nearest 100.[2]
- 7.Round 7,323 to the nearest 10.[2]
- 8.Round 3,190 to the nearest 10.[2]
- 9.Round 12,848 to the nearest 100.[3]
- 10.Round 52,614 to the nearest 1,000.[3]
- 11.Round 34,535 to the nearest 1,000.[3]
- 12.Round 60,338 to the nearest 100.[3]
Show answers and working
1. 270
Find the two multiples of 10 either side: 260 and 270. Look at the digit to the right of the rounding place: 5 or more rounds up. 267 rounds to 270.
2. 130
Find the two multiples of 10 either side: 130 and 140. Look at the digit to the right of the rounding place: 5 or more rounds up. 133 rounds to 130.
3. 860
Find the two multiples of 10 either side: 860 and 870. Look at the digit to the right of the rounding place: 5 or more rounds up. 864 rounds to 860.
4. 910
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. 911 rounds to 910.
5. 6,530
Find the two multiples of 10 either side: 6530 and 6540. Look at the digit to the right of the rounding place: 5 or more rounds up. 6532 rounds to 6530.
6. 6,400
Find the two multiples of 100 either side: 6400 and 6500. Look at the digit to the right of the rounding place: 5 or more rounds up. 6413 rounds to 6400.
7. 7,320
Find the two multiples of 10 either side: 7320 and 7330. Look at the digit to the right of the rounding place: 5 or more rounds up. 7323 rounds to 7320.
8. 3,190
Find the two multiples of 10 either side: 3190 and 3190. Look at the digit to the right of the rounding place: 5 or more rounds up. 3190 rounds to 3190.
9. 12,800
Find the two multiples of 100 either side: 12800 and 12900. Look at the digit to the right of the rounding place: 5 or more rounds up. 12848 rounds to 12800.
10. 53,000
Find the two multiples of 1000 either side: 52000 and 53000. Look at the digit to the right of the rounding place: 5 or more rounds up. 52614 rounds to 53000.
11. 35,000
Find the two multiples of 1000 either side: 34000 and 35000. Look at the digit to the right of the rounding place: 5 or more rounds up. 34535 rounds to 35000.
12. 60,300
Find the two multiples of 100 either side: 60300 and 60400. Look at the digit to the right of the rounding place: 5 or more rounds up. 60338 rounds to 60300.
Worked examples
Round 233 to the nearest 10.
- Find the two multiples of 10 either side: 230 and 240.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 233 rounds to 230.
- Answer: 230
Round 4,026 to the nearest 10.
- Find the two multiples of 10 either side: 4020 and 4030.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 4026 rounds to 4030.
- Answer: 4,030
Round 43,506 to the nearest 1,000.
- Find the two multiples of 1000 either side: 43000 and 44000.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 43506 rounds to 44000.
- Answer: 44,000
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
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- What should a learner already know before this?
- Start with Rules and Methods in Estimation in Context Essentials, Key Vocabulary of Estimation in Context Essentials, Working with Estimation. 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 Working with Estimation in Context Essentials?
- Move on to Estimation in Context Essentials in Examinations, Estimation in Context Techniques, Estimation in Context Word Problems, Estimation in Context Common Errors, which build directly on this idea.
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