Penguins in Passing

1.OA.5
2.OA1 – Using addition and subtraction within 100 to solve one-and two-step word problems involving situations of additing to, taking from, putting together, taking apart, and comparing, with unknowns in all positions.

addition to 100

Act 1

What do you notice? What do you wonder?

Focus Question: How many penguins are in the group coming in from the left? How many penguins are in the group coming in from the right? How many penguins are there if you combined both groups?

Act 2

Act 3