How Many Are Hidden? Penguin Party
What do you notice? How many penguins do you see?
On the card above, there are 13 penguins in all. Some of the penguins are hiding behind the flap.
How many are hidden? Use math words, numbers, or pictures to explain how you know.
Draw the penguins that were hiding under the flap. Remember, there are 13 penguins in all.
You can draw them on the picture card below or draw your own.
Then write an addition equation and a subtraction equation that match the picture card.
How do you know?