Student Instructions
Read ALL the instructions.
Look at the example in page number one. Then go to all the other pages and solve the subtraction problems.
1. Use the tool and drag the blocks from the red box to represent the number on top.
2. To subtract, use the
tool and cross out the blocks that represent the number at the bottom.
3. Count the remaining blocks and use the
or
tools to write the answer.
Click on
after you complete all your work.
Click on
to begin.