Missing numbers in the 2-digit addition
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Remember: Fill empty boxes with 0!
Your answer will be displayed here
HOW TO USE
- In this exercise, you need to find the missing number in the 2-digit addition.
- ▶ Look at the addition problem, where one of the numbers is missing.
- ▶ Follow the steps to figure out the missing number.
- ▶ Use the number pad to enter the missing number.
- ▶ Press the
1button to apply strike on the number. - ▶ Click the check button to see if your answer is correct.
- ▶ For a new problem, click the New Question button.
- Have fun finding the missing number!