Or download our app "Guided Lessons by Education.com" on your device's app store.
Want to see your first grader's subtraction skills skyrocket? This worksheet will do the trick. She'll be delighted to solve a page full of subtraction problems, and then be able to independently check her work using tally marks.
Remember: Repetition is the key to success. Check out the rest of the worksheets in this series for more practice!