Student Instructions
Look at the equation.
Find the first number of the equation in the 120's chart and the green circle over it.
Go one square down from the circled number and
the red square there.
Count up 10 from the circled number . Make sure you end at the red square.
the number you end with in the red square.
that number in the white box of the equation. This is your sum.
Click the green
to submit.