Subtraction equations that sum up to 20. Practice solving subtraction equation by calculating the missing number that makes the equation balance.
For example 14 – ? = 19 – 8
Solution: right side of the equation equals 11 therefore the missing number on the right side is 3
Play for free.
Instructions:
Start the game
Pick the corrects answer
After answering 10 question will be prompt with report of how many corrects answers you answered.
Play again and practice more!