And the missing multiples are...
3, 6, 9, ___, 15, 18, ___
12 and 21
A set of objects arranged in equal rows and columns is called an ______.
array
What are the factor pairs for 10?
1 X 10
2 X 5
Mrs. O'Brien has 2 rows of oranges with 8 oranges in each row. How many oranges does Mrs. O'Brien have?
16 oranges
6 X __ = 18
3
12, 16, ___, 24, 28, ___
20 and 32
I can skip count as a strategy to find the _______ of a given number.
multiples
What are the factor pairs for 30?
1 X 30
2 X 15
3 X 10
5 X 6
Is 25 a multiple of 5? Show how you know.
Yes. Students show a way to demonstrate their thinking.
___ X 4 = 28
7
50, ___, ___, 65, 70
55 and 60
What are two numbers that are multiplied together to find a product called?
factor pair
What are the factor pairs for 27?
1 X 27
3 X 9
Ellary made 32 muffins. If one batch of muffins has 4 muffins, how many batches of muffins did Ellary make?
Ellary made 8 batches of muffins.
8 X ___ = 64
8
___, 90, 99, ___
81 and 108
A number greater than 1 whose only factors are 1 and itself are called ______ numbers.
prime
What are the factor pairs for 24?
1 X 24
2 X 12
3 X 8
4 X 6
Mr. Grimaldi has 9 coins. His friend has 8 times as many coins. How many coins does Mr. Grimaldi's friend have?
Mr. Grimaldi's friend has 72 coins.
___ X 11 = 121
11
___, 36, ___, 60, ___
24, 48 and 72
A number that has more than one pair of factors is called a _______ number.
composite
What are the factor pairs for 50?
1 X 50
2 X 25
5 X 10
A recipe calls for 8 raspberries to make one batch of cookies. Charles has 70 raspberries. How many full batches of cookies can he make?
He can make 8 full batches, and will have 4 raspberries left over.
8 X ___ = 96
12