Step 4 Objective

Understand and use decimal notation and place value.

Examples of what pupils should know and be able to do

Know, for example:

Probing questions

What is the purpose of the decimal point?

What is a 'decimal'?

Why is 0 so useful when it is worth nothing?

How would you explain to someone that 0.35 is greater than 0.035?

What if pupils find this a barrier?

Use number lines to show that 0.1 is equivalent to 1/10 (one tenth) or 10 hundredths and that 0.01 is equivalent to one hundredth.

A common mistake is for pupils to read the number 5.239 as 'five point two hundred and thirty-nine'.

Use Moving Digits ITP - Zip file (457Kb) to change between fractions, decimals, and place value to make appropriate links.