Add and Subtract Numbers

Stack your numbers, remember the larger number on top.

take away the number on the bottom from the top number.

​Subtraction review

Stack your numbers on top of each other and count them together, remember if you can't count in your head, wright tally marks on a sheet of paper.

Addition review

Addition and Subtraction Review

Look at the example shown, mark the number out and put a one in front of it (like mark 6 out now its 16) mark the number before that number and subtract one from it the subtract like normal.

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​​ Subtraction with regrouping

read the example on the board, add all the numbers in that row together, if it's more than 1 digit you add it to the next equasion.

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​​ Addition with regrouping

Multiple Choice

what is 15-13

• 4

• 2

• 6

• 280