Objects that are gathered together in a set can be said to be in a group.

These are the multiples of ten which mark the tens boundary where the pattern of counting changes.

The word represent tells you what something is worth or what it means or tells you.

Count groups of 10 in decade numbers

Maths

In this unit pupils will extend their counting to counting the decade numbers and making representations using a variety of different manipulatives. In the future unit pupils will extend their learning by counting to 100. They will explore the pattern in counting and focus on the end of the decade and the start of the new decade numbers.

In prior learning, pupils will have verbally counted beyond 20, recognising the pattern of the counting system. In this unit pupils will extend their counting o the decade numbers and represent them in different ways.

Counting in tens - decade numbers

This number ends in 0. This tells me that it is a {{}} number.

How many pizza slices are there altogether? 

Look at the number 90. What does the 9 represent?

Match the numbers that represent the same amount.

This is not 1 group of 10 because __________ 

Match the groups of 10s to the number of tens they represent.

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