Subtract Within 20
About Subtract Within 20
This free first grade practice builds fluency with subtraction facts within 20. Kids type answers on a big keypad and pick expressions that make a number.
There are 3 levels of 10 questions, from subtracting 0 to 3 up to facts from 20. Hints show after two misses and kids earn up to 3 stars.
Skills Practiced
- Subtract 0, 1, 2 and 3
- Subtraction facts within 10 and 20
- Subtract 10 or 9 from a teen number
- Make a number using subtraction
- Find which fact has the greatest or smallest answer
More 1st Grade Math Practice
- Subtraction Word Problems
- Add or Subtract to 20
- Compare Word Problems
- Subtraction Strategies to 20
- Addition Word Problems to 20
- Add and Subtract Word Problems
See every 1st Grade game and practice on 8-Bit Academy.