Find missing numbers between 20  and 100

Maths

Counting patterns within a decade

Crossing the tens boundary counting forwards

Crossing the tens boundary counting backwards

Crossing the tens boundary counting forwards and backwards

In this unit pupils will extend their learning by counting to 100. They will explore the pattern in counting and focus on the end of the decade and the start of the new decade numbers.  In the future unit pupils will explore the counting sequence for counting to 100 and beyond and represent the numbers from 20-99 in different ways, including marking the position on a number line.

In prior learning, pupils will have verbally counted beyond 20, recognising the pattern of the counting system. In this unit pupils will extend their learning by counting to 100 and exploring the pattern in counting.

In this unit pupils will extend their learning by counting to 100. They will explore the pattern in counting and focus on the end of the decade and the start of the new decade numbers.¬†

Pattern in counting from 20 to 100

Complete the following: 6 is __________ the number 7.

Which of these numbers is between 30 and 40 on the number track?

 Complete the stem sentence. I know that the number after 3 is 4 so I know that the number after 23 is {{  }}. 

Match the numbers to the correct number that comes before it on a number track

Use the patterns within the decade to help you complete the following. The number after 23 is 24, so the number after 33 is ___..

Use the patterns on the  number tracks to help you find out the number before 38.

Aisha is counting forwards, she says 26. What number will she say next?

When the numbers become less, you know you are counting __________.

Sort these numbers in the order you would say if counting forwards.

Sort these numbers in the order you would say them if counting backwards.

Lucas is thinking of a number in the seventies. Use the clue he gives to work out the number.

Starter Quiz

Aisha is counting forwards, she says 26. What number will she say next?