After your child know whether they are comparing, combining, or separating then the solving begins!!
Please practice these strategies at home!
There are many ways to add.
Traditional way - this may involve regrouping numbers:
Number line - by jumping the hundreds, the tens, and the ones:
Partial Sums - The numbers can be broken a part by their place value and then added:
Adding one number in parts - One number can be broken in parts and then added:
There are many ways to subtract:
Traditional way - this may involve regrouping numbers
Number line - by subtracting on the number line by jumping the hundreds, tens, and ones. This could be done in several ways so see the pictures below.
Partial Differences - the numbers are broken into parts by their place value
Subtracting one number in parts - one number is broken in parts and then subtracted with the other number
Videos made by Mrs. Jones also explains our strategies