Year 3 Maths

Summer term
Block E
Lesson 4

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Autumn term
Spring term

 

 

 

 

 


How to subtract using partitioning

To partition a number using place values is to split it into tens and units etc. as appropriate, to use partitioning for subtraction you split the number being subtracted into tens and units then subtract the units from the given number to create a new number, then you subtract the tens from the new number to get the final answer.

Example

53 - 15

subtract units    53 - 5 = 48

subtract tens    48 - 10 = 38

answer = 38

 

Check your answers using your calculator.

 

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Subtracting Numbers-

 

 

 

 

 

 

Subtract these numbers using partitioning

 

a) =
b) =
c) =
d) =
e) =