Everything you need to remember 23 14 is not the same as 14 23 Leave your numbers in the same order Never swap your numbers around Only partition one number Leave the first number alone Write it underneath straight away ID: 552854
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Slide1
Rules for subtraction using partitioning.
Everything you need to remember!Slide2
23 – 14 is not the same as 14 – 23!!
Leave your numbers in the same order!
Never swap your
numbers around!Slide3
Only partition one number!
Leave the first number alone! Write it underneath straight away!!
23 – 14
23
Partition the second number into tens and units.
23 – 14 (10, 4)
23 Slide4
Set your workings out in stages!
Stage 1 23 – 14 (10,4)
Stage 2 23 – 10 = 13
Stage 3 13 – 4 = 9Slide5
Always write the answer to each stage before you move on!
Stage 1 23 – 14 (10,4)
Stage 2 23 – 10 = 13
Stage 3 13 – 4 = 9Slide6
Remember these
rules and you’ll
never go wrong again!