100 - 77 = ...
23
What's she doing?
She's gluing.
56 + 22 = _____
78
What's she doing?
She's coloring picture.
How many children are there?
There are four children.
What's she doing?
She's writing.
What's he doing?
He's counting.
17 + 25 = _______
42
There are 25 chairs in your classroom. Your teacher takes 4 chairs out. How many chairs in your room now?
21
What are they doing?
They're listening to music.
What's she doing?
She's using the computer
What are they doing?
They are watching a DVD.
How many crayons are there?
There are eight crayons.
What are they doing?
They're playing a game.
How many computers are there?
There are two computers.
92 - 15 = _______
77
34 + 66 = _______
100
What's he doing?
He's cutting paper.