Arrays and facts
What is the multiplication sentence for an array that has 5 rows and 3 in each row?
5 x 3
If there are 6 bags of cookies and 2 cookies in each bag, what is the multiplication equation to figure out how many cookies in all?
6 x 2
How many jumps would you need to make on a number line and how many would be in each jump to figure out 2 x 6?
2 jumps with 6 in each.
What is the repeated addition sentence for the multiplication equation 6 x 3?
6 + 6 + 6
The Commutative Property (Flip Flop) says:
A. 2 x 4 = 4 x 2
B. 2 x 4 = (2 x 2) + (2 x 2)
C. 2 x 4 = 2 x (2 x 2)
A
What is the multiplication sentence for an array with 4 rows and 3 in each row?
What is the product?
4 x 3 = 12
What is the multiplication equation and answer to 5 groups with 3 in each group?
5 x 3 = 15
What is the multiplication equation and answer for 5 jumps with 4 in each jump?
5 x 4 = 20
What is the multiplication equation and answer to the repeated addition sentence 5 + 5 + 5 + 5 + 5?
5 x 5 = 25
The Distributive Property says:
A. 4 x 2 = 2 x 4
B. 2 x 4 = (2 x 2) + (2 x 2)
C. 2 x 4 = 2 x (2 x 2)
B
2 x 9
18
2 x 6
12
2 x 5
10
2 x 4
8
The Associative Property says:
A. 5 x 4 = 4 x 5
B. 5 x 6 = (3 x 6) + (2 x 6)
C. 5 x 6 = 5 x (3 x 2)
C
3 x 3
9
3 x 10
30
3 x 4
12
3 x 5
15
3 x 2
6
Could the product of 6 x 8 be odd?
No! If there is at least ONE even factor, the product will be even.
2 x 0
0
Could the product of 9 x 3 be 22?
NO! The digits in the product do not add up to 9 and two odd factors will be an odd product!
3 x 9
27
3 x 6
18