Multiplication facts
3 x 4 =
12
Draw an array for 2 x 3
2 rows of 3
Ms. Damir finds 8 x 3 by breaking 8 apart.
Complete the equation.
(3 x 3) + (____ x 3) = ______
(3 x 3) + (5 x 3) = 9 + 15 = 24
If 3 x 9 = 27
then 9 x ___ = 27
9 x 3
3 x 70 = (3 x ___) x 10
3 x 70 = (3 x 7) x 10
5 x 6 =
Draw an array for 4 x 4
4 rows of 4
Rowen finds 7 x 7 by breaking 7 apart.
Complete the equation.
(5 x 7) + ( _____ x 7) = ______
(5 x 7) + ( 2 x 7) = 35 + 14 = 49
If 4 x 6 = 24
Then 6 x ___ = 24
4
5 x 30 = 10 x (___ x 5)
5 x 30 = 10 x (3 x 5)
7 x 7 =
49
Draw equal groups for 4 x 5
4 groups of 5
Find 6 x 7 by breaking one factor apart
Answers vary.
Possibly (7 x 3) + (7 x 3) = 21 + 21 = 42
Show one way to find 5 x 4 x 2 using parentheses
Answers vary
Possibly:
(5 x 4) x 2 = 20 x 2 = 40
There are 2 groups of 40 people walking on a trail. Each person walks 5 miles. Use the associative property to solve for how many miles all the people walk.
2 x 40 x 5 = (2 x 5) x 40 = 10 x 40 = 400
10 x 7 =
70
Write a repeated addition equation for 5 x 3
3 + 3 + 3 + 3 + 3 = 15
Dez breaks 6 x 8 into (6 x 4) + (6 x 4) to solve the problem. What is another way Dez could break apart 6 x 8?
Answers vary
Possibly:
(3 x 8) + (3 x 8)
(2 x 8) + (4 x 8)
etc.
Show one way to find 6 x 3 x 2 using parentheses
Answers vary
Possibly:
(2 x 6) x 3 = 12 x 3 = 36
Which expressions can be used to find the product of 3, 5, and 6
A. (3 x 5) x 6
B. 3 x (5 x 6)
C. (3 + 5) x 6
D. 15 x 6
A, B, D
9 x 8 =
72
Draw an array for 5 x 4
5 rows of 4
Vivienne has 5 books. Each book has 20 pages. Use the distributive property to solve for how many pages there are total (5 x 20).
Answers vary:
Possible answers:
(5 x 10) + (5 x 10)
If 5 x (3 x 3) = 45
Then 5 x ___ = 45
5 x 9 = 45
Use the associative property to solve 4 x 50
4 x 5 x 10 = 20 x 10 = 200