Addition within 20

From 0+0 to 9+9

Practice adding numbers to make 10.

Practice adding numbers to make 10. These problems show grids to help you out.

Find the missing number in a list of numbers. Numbers used are 20 or less.

Practice telling which equation is true.

Practice adding 3 numbers. All numbers in these problems are 20 or less.

Practice solving problems like 34+5 and 34+50.