Use the number line to help you solve.
Count on or count back. Show your work.
There are 10 acorns on the ground.
Then a squirrel puts 3 acorns in his mouth.
How many acorns are still on the ground?
0
1
2
3
4
5
6
7
8
9
10 11 12
Step-by-step explanation: you start with ten, then count back three from the three the squirrel took that are no longer on the ground and you get seven.
