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.

Comparing and ordering numbers 0-20 practically

Maths

Counting to and from 20

Counting on

Counting back from 20

Counting forward to 20 and back from 20

Comparing numbers to 20

Ordering numbers 11- 20 practically

Finding one more and one less using representations

Finding one more and one less with manipulatives and images

Finding the missing number from 0 to 20

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.

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.

Using this number track, which comparative sentence is true?

Using these blocks, which comparative sentence is true?

Which comparative sentence about these hats is false?

Which comparative sentence about the fruit is true?

Which comparative sentence about the blocks is false?

Which comparative sentence about the fish is true?

Put these in the right order to count backwards from 20.

Match the sentences so that they are all true.

Is the number of cups more, equal to, or less than 18?

Is the number of beetles less than, equal to, or more than 16?

Which number is missing on the second bead string?

Comparing and ordering numbers 0-20 practically

Lesson outcome