It has reached the end of the school day. It is time to get packed up and wait for dismissal. 

There are 17 students who need picked up! The students will wait on their dot spots until their van, bus, or car are here to pick them up. 

Beep! Daycare and vans, Daycare and vans. 

Giselle rides a van home! There were 17 students before Giselle left. 

How many students are left in the classroom? 

17 - 1 =

16

There are 16 students left. Let's see who gets picked up next!

Beep! Bus 51, Bus 51.

Darcy, Kermit, and Skyler ride bus 51. If those 3 students leave, how many students are left in the classroom?

16 - 3 =

13

There are 13 students still waiting. Let's see who leaves next!

Beep! Bus 49, bus 49. 

Levi, Travon, and Lennon ride bus 49. If another 3 students leave, how many students are left in the classroom?

13 - 3 =

10

Now, there are 10 students left in the classroom. I think I hear another bus being called...

Beep! Bus 73, Bus 73.