Determine the 'unknown' whole number for addition. subtraction, multiplication, or division problems. The location of the 'unknown' is in one of three positions. The location of the '=' varies between the left and right of the expression.
Some teachers like to put this activity in a 'math center' with a large community 100 chart for students to respond on.
This product meets the 2012 TEKS for 3.5D