A bigger set has more than a smaller set.

A smaller set has less than a larger set.

A smaller set has fewer than a larger set.

Sets can contain the same as each other having the same number of objects, actions or sounds.

Sets can be equal to each other having the same number of objects, actions or sounds.

Comparing numbers to 20

Maths

Counting to and from 20

Counting on

Counting back from 20

Counting forward to 20 and back from 20

Ordering numbers 11- 20 practically

Comparing and ordering numbers 0-20 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.

Complete the comparative sentence: Twenty is {{}} sixteen.

Both hands show an equal number of fingers.

The left hand shows more fingers than the right hand.

The right hand shows more fingers than the left hand.

Which number is smallest out of 9, 12 and 5? 

Comparing numbers to 20

Lesson outcome