Free Grade 3 Rules and Methods in Working with Estimation Techniques Flashcards
Free Grade 3 flashcards for Rules and Methods in 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
Higher
20 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain rules and methods in working with estimation techniques
Explain rules and methods in working with estimation techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate rules and methods in working with estimation techniques
Calculate rules and methods in working with estimation techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare rules and methods in working with estimation techniques
Compare rules and methods in working with estimation techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify rules and methods in working with estimation techniques
Justify rules and methods in 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 Rules and Methods in 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 615 to the nearest 10.[1]
- 2.Round 891 to the nearest 10.[1]
- 3.Round 601 to the nearest 10.[1]
- 4.Round 949 to the nearest 10.[1]
- 5.Round 7,313 to the nearest 100.[2]
- 6.Round 198 to the nearest 100.[2]
- 7.Round 856 to the nearest 100.[2]
- 8.Round 2,091 to the nearest 100.[2]
- 9.Round 29,582 to the nearest 1,000.[3]
- 10.Round 89,032 to the nearest 100.[3]
- 11.Round 71,622 to the nearest 100.[3]
- 12.Round 25,170 to the nearest 1,000.[3]
Show answers and working
1. 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. 615 rounds to 620.
2. 890
Find the two multiples of 10 either side: 890 and 900. Look at the digit to the right of the rounding place: 5 or more rounds up. 891 rounds to 890.
3. 600
Find the two multiples of 10 either side: 600 and 610. Look at the digit to the right of the rounding place: 5 or more rounds up. 601 rounds to 600.
4. 950
Find the two multiples of 10 either side: 940 and 950. Look at the digit to the right of the rounding place: 5 or more rounds up. 949 rounds to 950.
5. 7,300
Find the two multiples of 100 either side: 7300 and 7400. Look at the digit to the right of the rounding place: 5 or more rounds up. 7313 rounds to 7300.
6. 200
Find the two multiples of 100 either side: 100 and 200. Look at the digit to the right of the rounding place: 5 or more rounds up. 198 rounds to 200.
7. 900
Find the two multiples of 100 either side: 800 and 900. Look at the digit to the right of the rounding place: 5 or more rounds up. 856 rounds to 900.
8. 2,100
Find the two multiples of 100 either side: 2000 and 2100. Look at the digit to the right of the rounding place: 5 or more rounds up. 2091 rounds to 2100.
9. 30,000
Find the two multiples of 1000 either side: 29000 and 30000. Look at the digit to the right of the rounding place: 5 or more rounds up. 29582 rounds to 30000.
10. 89,000
Find the two multiples of 100 either side: 89000 and 89100. Look at the digit to the right of the rounding place: 5 or more rounds up. 89032 rounds to 89000.
11. 71,600
Find the two multiples of 100 either side: 71600 and 71700. Look at the digit to the right of the rounding place: 5 or more rounds up. 71622 rounds to 71600.
12. 25,000
Find the two multiples of 1000 either side: 25000 and 26000. Look at the digit to the right of the rounding place: 5 or more rounds up. 25170 rounds to 25000.
Worked examples
Round 306 to the nearest 10.
- Find the two multiples of 10 either side: 300 and 310.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 306 rounds to 310.
- Answer: 310
Round 9,730 to the nearest 10.
- Find the two multiples of 10 either side: 9730 and 9730.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 9730 rounds to 9730.
- Answer: 9,730
Round 28,770 to the nearest 100.
- Find the two multiples of 100 either side: 28700 and 28800.
- Look at the digit to the right of the rounding place: 5 or more rounds up.
- 28770 rounds to 28800.
- Answer: 28,800
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.
Every free resource for Rules and Methods in 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.
Learn — Meet the idea.
Practice — Build fluency.
Revise — Keep it in memory.
Assess — Prove mastery.
Apply — Use it in context.
Teach — Deliver it to a class.
Frequently asked
- Is this Grade 3 Rules and Methods in 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 Key Vocabulary of Working with Estimation Techniques, Introduction to Working with Estimation Techniques, 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 Rules and Methods in Working with Estimation Techniques?
- Move on to Working with Working with Estimation Techniques, Working with Estimation Techniques in Examinations, Working with Estimation Essentials, Working with Estimation Word Problems, which build directly on this idea.
Related resources
- Free Rules and Methods in Working with Estimation Techniques worksheets
- Free Rules and Methods in Working with Estimation Techniques quizzes
- Free Rules and Methods in Working with Estimation Techniques lessons
- Free Rules and Methods in Working with Estimation Techniques lesson plans
- Rules and Methods in Working with Estimation Techniques in the knowledge graph
- Free AI Tutor
Stuck on Rules and Methods in Working with Estimation Techniques? The AI Tutor already knows this page, its prerequisites and its common mistakes.
Open the free AI Tutor