What is it?
Equals
What is it?
It's an alarm clock.
How many buttons are left?
There is one button left.
4 - 1 = 3
Four minus one equals three.
Where's Pete?
He's at the beach.
How many buttons are left?
There are two buttons left.
How many buttons are there?
There are eight buttons.
3 - 2 = 1
Three minus two equals one.
How many button are left?
There are three buttons left.
What is Pete doing?
He's surfing.
1 - 1 = 0
One minus one equals zero.
2 - 1 = 0
Two minus one equals zero.
What is it?
It's a skateboard.