Maths| Basic addition facts up to 20

LI. To earn and save money by creating with maths

For the Term we are working as a employee to be able to earn as much money as possible for company (which is our group). We can earn money for finishing tasks from level 1 to level 4
 difficulty.We also have our own bank account. I have $74 dollars in my bank account. This week I did a task that is level 1 difficulty, Basic addition facts up to 20.