Second Grade: Math

Addition and Subtraction Through 20

Do math on a number line!

Draw a number line with numbers from 0 to 20 on the ground with chalk or tape. Call out addition and subtraction problems. Have your child physically jump on the lines to solve the problems. For example, if your child is standing on the number 6 you might call out, Six minus 4.” Your child would model the subtraction by moving 4 numbers to the let and then naming the number they land on (2).Using a number line will help your child to visualize the problems and provide them with a common subtraction and addition technique they can continue to use.