How Many Are Hidden? Beans in the Basket
The number of beans in both pictures is the same. How many are hidden in the basket? How do you know? How can you finish the equation to make it true?
What do you notice about how the blue number changed? What about the red number?
- Now there are more than 15 beans. You get to decide how many!
How many could be hidden in each basket? How do you know?
- Complete the equation to make it true.
What do you notice about how the numbers changed?