March; April (4) and May (6)
combined equal March (10)
4 + 6 = 10
March, April, May
March; Possible response:
January has 5 birthdays so
I added 5 more. Since
5 + 5 = 10 I looked at the
Number of Students column and
saw March has 10 birthdays.
I. Birth Months
Which month has the same number of birthdays as two other
months combined?
Write a number sentence for Question A.
Which months have an even number of birthdays?
Which month has 5 more birthdays than January? How do you
know?