Diana makes 19 doughnuts. Mom makes 11 doughnuts. How many doughnuts do they have altogether?

209 + 30 = …

354 + 16 = …

I have 45 cards. My friend gives me 54 cards. How many cards do I have altogether?

69 – 39 = …

90 – 45 = …

There are 57 birds in the field. Then, 29 birds fly away. How many birds are in the field left?

432 – 132 = …

My mom puts 85 oranges on the plates. My family eats 68 oranges. How many oranges are on the plates now?