Bring out the math ninjas! Kids will boost their mental math skills with this ninja themed worksheet. Practice two-digit subtraction and borrowing.

Test your child's strength in double-digit subtraction and addition with this ninja worksheet. Challenge his abilities with these tricky word problems!

Kids can work their way to arithmetic mastery as they practice subtracting two-digit numbers and borrowing. What is more fun than ninjas?

Secret codes and ninjas make everything more interesting, including subtracting 4-digit numbers!