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Week Beginning 23/11/20

In Maths this week we'll be learning about number bonds. We're going to find different ways to make 10 and 20 and then if we can, work with numbers up to 100.

 

There are different ways we can make 10. Remember that the numbers can be recorded in any order so the biggest number can be first or second.

 

5 + 5 = 10

8 + 2 = 10

3 + 7 = 10

 

Can you find any other ways to make 10?

 

There are different ways to make 20.

 

15 + 5 = 20

14 + 6 = 20

2 + 18 = 20

 

Can you find any other ways to make 20?

What do you notice about the pattern between number bonds up to 10 and number bonds up to 20? What do you spot that changes? Can you find all of the ways to make 10 and 20?

 

 

We're also learning to add ten to a number, using a number square to help us to begin with.

 

Have a look at a hundred square. How does it work when we are adding one to a number? What happens when we are counting up in tens? We go down straight down the hundred square. If we count down in tens we move up the hundred square. What happens to the number in the tens column and what happens to the number in the ones column when we add ten to a number?

 

Practise using the hundred square to add ten to a number. For example:

 

45 + 10 =

27 + 10 =

61 + 10 =

 

Have a look at the hundred square with the missing numbers. Think again about what happens to the numbers when you add ten. Can you fill in the gaps on the hundred square?

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