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  • Subjects
  • Mathematics State Board
  • Class 6
  • Numbers

Estimation of numbers

Theory

1. What is estimation
2. Estimate to the nearest tens by rounding off
3. Estimate to the nearest hundreds by rounding off
4. Estimate to the nearest thousands by rounding off
5. Estimating the outcomes
6. Estimating the sum or difference
7. Estimate the products or quotients

Exercises

1. Rounding off to nearest tens and hundreds

Difficulty: easy

3
2. Fill in the nearest hundreds and thousands

Difficulty: easy

3
3. Check and say true or false

Difficulty: easy

2
4. Estimate the sum

Difficulty: easy

3
5. Calculate the difference in population

Difficulty: easy

3
6. Determine the quotient

Difficulty: easy

3
7. Determine the reasonable estimation (sum)

Difficulty: medium

4
8. Choose the reasonable estimation (product)

Difficulty: medium

4
9. Calculate estimated sum and difference of two numbers

Difficulty: medium

2
10. Find the number with the help of its estimated value

Difficulty: medium

4
11. Find the estimated cost

Difficulty: medium

4
12. Caculate the estimated amount received

Difficulty: medium

4
13. Determine nearest 10, 100, 1000

Difficulty: hard

5
14. Estimate the sum and find the difference of acual and estimated value

Difficulty: hard

5
15. Estimate by general rule

Difficulty: hard

5

Tests

1. Training test

Difficulty: medium

9
2. Training test

Difficulty: medium

10

Teacher manuals

1. Methodical recommendation

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