There are 5 boys at Jake's party. Some more came after the basketball practice. Then, there were 9. How many boys came to Jake's party after basketball practice?
3 + 7 = ____
3 + 7 = ____
____ = 1 + 4
3 + 2 = ____
____ = 2 + 6
5 + 1 = ____
____ = 8 + 1
9 + 1 = ____
Select all of the partners to 10.
Select all of the +1 facts.
6 + 4 = ____
Select all of the +2 facts.
Look at the party picture!
Monica says that when the unknown number is 4, it makes this number sentence true: 5 + 3 = ____ + 4.
Terry says that she is wrong. He says 8 makes the number sentence true.
b. Monica says that 3 and 5 is equal to 5 and 3. Is she wrong? Explain using pictures, numbers, or words.
c. Terry says 8 = 8. is he wrong? Explain using pictures, numbers or words.