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St Paul's C of E Primary School

Heathside Grove

LEARNING to make a difference

21st January

Starter:

40 + 7 =

19 + 3 =

30 – 8 =

Add six and ten.

Write in the missing sign (> or <) 5 __ 7

Which is longer 62cm or 25cm?

 

 

 

LO: To know how to subtract with 2-digit numbers.

 

Today we are going to continue with subtracting a 2-digit number from another 2-digit number but this time we will be exchanging 1 ten for 10 ones.

 

You will need a pencil and square paper, your number square will also be helpful if needed (to help counting in tens).

 

 

 

 

 

 

 

Today we are going to partition numbers to work out the answers.

Here is an example:

 

 

 

Lets look at another example:

 

 

 

 

 

 

 

 

 

 

Have a go at these, then check the answers.

 

32 – 15 =           25 – 17 =       27 – 18 =      35 – 18 =      66 – 27 =

 

31 – 27 =         52 – 24 =         31 – 24 =       42 – 15 =     40 – 21 =

 

If you found these ok, have a go at these:

 

58 – 29 =      92 – 55 =       56 – 37 =    55 – 36 =

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