Math quiz on Subtraction expressions with pictures up to 10. In this exercise, kids will be made to find subtraction expressions that are shown on various pictures. It is a multiple choice questions quiz, hence in each problem there are several expressions represented on pictures. Only one of them is correct, hence kids have to solve to find which and then select and submit to check their response. This activity is for children in kindergarten, 1st and 2nd grades to be introduced to the concept of subtraction.