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

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Presentation transcript:

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

23,453

23,00025,000

23,453 23,00025,000

23,453

23,40023,500

23,453

LO: Use vocabulary of estimation and approximation.

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!!

Homework: