 St Nicholas Church of EnglandPrimary Academy

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# Maths

## Place Value

A good understanding of place value (the value of each digit in a number) is vital in primary-school maths. Here is how your child will be taught about units, tens, hundreds and thousands with number lines, arrow cards and more, as well as outlining how place value is used to help children visualise calculations.

## What is place value?

Place value is the value of each digit in a number. It means understanding that 582 is made up of 500, 80 and 2, rather than 5, 8 and 2.

## How are children taught to understand place value in KS1?

In school two maths aids are used to help make place value clear to children.

Deines blocks are blocks in which cubes represent units / ones, rods of ten cubes represent tens, flats  of 100 cubes represent hundreds and blocks of 1000 cubes represent thousands: In Key Stage 1, a child might be given some ten and units (ones) Deines blocks and asked to make a number such as 43. They would need to select 4 tens rods and 3 ones blocks. This makes it very clear to them that a two-digit number it made up of tens and ones. It also helps them to practise counting in tens.

Arrow cards look like this: A child might be asked to make the number 34 using arrow cards. They would need to take the 30 and the 4 and put them together so that the arrows were lined up. This again helps to make clear that a two-digit number is made up of tens and ones.

It is absolutely vital that children understand place value before they can go onto adding and subtracting two-digit numbers.

### Counting In Year 2 we continue on from the learning from Year 1 and count forward and backwards in ones from any number within the range of 100.

Please practise daily counting with your children! Sometimes children have difficulties counting backwards and bridging the tens numbers (eg. 32,31,30,29 or 58 59 60 61 )

We then develop more fluency with our counting in different amounts such as in 2's,3's,5's and 10's which lead on to learning about the times tables and division facts of this numbers.

We learn how to read and write our numbers in numerals and in the written form.

We develop our reasoning skills and our problem solving skills throughout each lesson in order for us to help us understand more about the mathematical concepts we are learning about.

We will learn about odd and even numbers and investigate the difference between them and the patterns that occur.

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