Try to count down.
Make sure that you are writing units under units.
Write the number in a horizontal line and then do subtraction.
Line up the hundreds, tens and units correctly to get the correct answer.
Line up the units, tens and hundreds of the numbers carefully.
Be carefull with the place values.
Try using vertical method
Use the vertical method to do the subtraction.
Try using Horizontal method
Think! What is 5-2. Now think can we do 2-5?
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