Adding Tens
llll + ll
What is 60
2 + 30 =
What is 32
John has 8 apples. Joan gives him 20 apples. He has this many apples now.
What is 28 apples
.... + ......
What is 10
40 + 5 =
What is 45
Sally has 40 frogs. She catches 8 more. She has this many frogs now.
What is 48
lllll + .....
What is 55
60 + 9 =
What is 69
Joel has 6 erasers. He buys 30 more. He has this many erasers now.
What is 36.
... + lll
What is 33
4 + 80 =
What is 84
Suzie has 60 marbles. She wins 7 more. She has this many marbles now.
What is 67
...... + lllllll
What is 76
90 + 9 =
What is 99
Linda has 8 cupcakes. Jill gives her 30 more. She has this many cupcakes to share with her class.
What is 38