Groups of ten objects that can be counted in tens.

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

Not wasting time or effort. An efficient strategy is one we can carry out easily.

Count efficiently in groups of ten

Maths

In this unit pupils will count efficiently in groups of 2 5 10. They will recognise and explain the value of 1p 2p 5p 10p coins and how a single coin can be worth several pennies. In the future unit pupils will learn to represent equal groups as repeated addition and multiplication. They will use this knowledge to calculate the product and represent the 2x 5x10x tables in different ways.

In prior learning, pupils will have had opportunities to use manipulatives to organise counting including using everyday manipulatives, tens frames and through measures. In this unit pupils will count efficiently in groups of 2 and 5 and 10. They will recognise and explain the value of coins up to 10p and how a single coin can be worth several pennies.

Unitising and coin recognition - counting in 2s, 5s and 10s

Sam is counting backwards in tens from the number shown on her Gattegno chart. What is the next number she will say?

Fill in the missing number
There are ___ groups of 10   

There are ten cherries on each cake. How many cherries are there altogether in the picture?   ___  

Match the number of tens to the number altogether.

There are 6 tens. There are 60 altogether.

There are 6 tens. There are 30 altogether.

There are 3 tens. There are 30 altogether.

Which of the following describes the groups shown in the picture?  

Sam is counting her decade numbers. Which of these numbers won’t she say?

Fill in the missing number. 
10, 20 , 30, ___, 50

Sam is counting forwards in tens starting from 30 so what is the next number she will say?

Jacob is counting backwards in tens from 60 so which of these numbers will he say?


The children are counting backwards in tens. Who is correct?

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