Do you feel that you have mastered , using some different methods?
Find the value of 720 + 250.
Just like addition, we can use place value blocks (also called base 10 models) to solve addition. See how we do this in this video.
We can also use place value columns to solve subtraction problems working down our page. In this video we look at subtracting a number in the thousands from another number in the thousands.
Use the number line to find the answer to 667 -637
First place 667 on the number line.
Place 637 on the number line.
Use the number line to work out the difference between 667 and 637.
uses mental and written strategies for addition and subtraction involving two-, three-, four and five-digit numbers