addition with two digits number practice

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on have fun practicing addition with one and two digit number
Click the green flag and choose either Easy or hard option to start practicing addition. type your answer inside the row and click on the check mark to confirm your answer
- The Easy section it is for addition with one digit number
- The hard section it's for addition with two digit number
Whenever you want to stop clickon the red button. you click on the green flag to start over one more time