The next number in the count is one more than the number before and there will be one more object in the set.

The previous number in the count is one less than the next number and there will be one fewer object in the set.

Finding the missing number from 0 to 20

Maths

In this unit pupils will consolidate counting to 20 and back They will secure their understanding of the teens numbers in a cardinal and an ordinal context In the future unit pupils will extend their counting to counting the decade numbers and making representations using a variety of different manipulatives

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 counting to 20 and back and will secure their understanding of the teens numbers in a cardinal and an ordinal context.

Counting to and from 20

If one of three counting cards is 15, what might the cards be? 

If one of three counting cards is 10, what might the cards be?

If one of three counting cards is 17, what might the cards be?

You are counting up to 20. Which numbers come after 14 on these cards?

You are counting back from 20 to zero. Which numbers come before and after 18?

You are counting up from 0 to 20. Which two numbers will you say before 11?

Match the number to complete the sentence

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