For Addition - Place number of circles of one colour for the starting math problem. Then use the other colour to add the number of circles from the second number in the math problem. Count the total circles to find your answer.
For Subtraction - Choose any colour of circles and place the number from the beginning of the math problem. Then remove the number of circles indicated by the second number of the math problem. Count the total number of circles left to find your answer.
Binder Pages are very thick card stock pages to fit into a standard 3 ring binder. Binder is not included with order, however a Dry erase marker with eraser is provided for products that require one.