Groups of two objects that can be counted in twos.

Another name for the multiples of two or even numbers.

An accurate result means a result that is correct.

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

Count efficiently in groups of two

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

Fill in the missing number.
There are ___ groups of 2  

Fill in the missing number.
There are ___ apples altogether. 

Which of the following can be easily counted in twos?

There are 5 twos. There are 50 altogether.

There are 10 twos. There are 10 altogether.

There are 5 twos. There are 10 altogether.

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

Jacob counts the wheels in twos and Sam counts backwards to check. Which of the following will Sam say to check Jacob is correct?

Fill in the missing number. 
12, 14 , 16, ___, 20

Sam is counting forwards in twos starting from 10  What are the next numbers she will say?

Put these numbers in the order you would count if counting forwards in twos.

Jacob is counting backwards in twos. What is the next number he will say?  

Put these numbers in the order you would count if counting backwards in twos.

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

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