Solve the problem:

Andrea has 2 cats and German has 3 cats. How many cats in all?

Solve by adding or subtracting:

85+16=

Solve the word problem:

I saw 7 butterflies, 5 butterflies fly away, how many butterflies are left?

Solve by adding or subtracting:

13 - 4 + 15=

Solve the word problem:

Alexis has a garden in which are 3 mango trees, 2 papaya trees, and 4 avocado trees. How may trees are in his garden?

Solve by adding or subtracting:

68 - 8=

Solve the word problem:

If Issac watches TV 1 hour a day, how many hours does he watch in a week?

Solve by adding or subtracting:

10 + 10=

Solve the word problem:

I had 9 bananas, then I ate 6 bananas, how many bananas are left?