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LO: Read and write any whole number; round to the nearest 10 or 100.

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# LO: Read and write any whole number; round to the nearest 10 or 100. - PowerPoint PPT Presentation

LO: Read and write any whole number; round to the nearest 10 or 100. 23,453. 23,453. 23,453. 23,000. 25,000. 23,453. 23,000. 25,000. 23,453. 23,453. 23,400. 23,500. 23,453. LO: Use vocabulary of estimation and approximation. LO: Use vocabulary of estimation and approximation. guess.

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## LO: Read and write any whole number; round to the nearest 10 or 100.

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23,000

25,000

23,000

25,000

23,400

23,500

guess

guess

estimate

guess

estimate

approximate

guess

estimate

approximate

round

guess

estimate

approximate

round

nearest

roughly

guess

estimate

approximate

round

nearest

roughly

guess

estimate

too many

approximate

round

nearest

roughly

guess

estimate

too many

approximate

round

too few

nearest

roughly

guess

estimate

too many

approximate

round

too few

nearest

diameter

### Question:

How many 1p coins do you think will fit along this metre ruler?

### Question:

How many 10p coins do you think will fit along this metre ruler?

### So…………………

What is the difference between an estimate and a guess?

### Task:

Estimate the number of words in the book. Use a calculator if you wish.

Think about:

How many words are on 1 page

How many pages there are

I will be asking you to explain how you came to your estimated figure!!