An unknown is a quantity that has a set value but it is represented by a symbol or letter.

Addition and subtraction within 10 

Maths

In this unit pupils will consolidate their knowledge of the value of different denominations of coins. They will solve simple problems practically involving addition and subtraction of money of the same unit. In the future unit pupils will recognise and use symbols for pounds and pence combining amounts to make particular values. They will solve simple problems including giving change.

In prior learning, pupils will have learnt to count confidently and have developed a deep understanding of the numbers to 10, the relationships between them and the patterns within those numbers. In this unit pupils will consolidate their knowledge of the value of different coins. They will solve simple problems practically involving addition and subtraction of money in the same unit.

Solving problems in a range of contexts

Look at the bar model. 
2 children had juice with their lunch. 5 children had water. How many children had a drink with their lunch? What is the missing whole?

Look at the bar model. 
9 children were having their lunch. 2 chose to eat a banana. The rest chose an apple. How many children chose an apple?

There were an equal number of ham sandwiches and cheese sandwiches.

Look at this image showing cheese sandwiches and ham sandwiches. 
Which sentences are true?

Look at the image. Jacob asks, "If I take 3 cups from the tray, how many cups will be left on the tray?" {{ }} cups.

There is a limit of 10 cups on a tray. How many more cups can be placed on this tray? {{ }} more cups.

Look at this image. Match the parts of the story.

This image shows a representation of a story. Order the parts of the story.

The cubes represent an addition equation. 
Which subtraction equation would undo this addition?

The cubes represent a subtraction equation. 
Which addition equation would undo this subtraction?

Which equations could this number line represent?

This lesson will soon be taken down.

Addition and subtraction within 10

Lesson outcome