Equal Groups
What is 3 x 4?
12
Draw an array for 2 x 3.
2 rows and 3 columns
What is 3 x 8 using the break apart method?
(3 x 4) + (3 x 4) = 24
What is 2 x 3 x 4?
24
What is 3 x 10?
30
How many groups are in 24 if you have 8 in each group?
3
What is the area of a rectangle that is 3 units wide and 4 units long?
12 square units
How can you break apart 6 x 7?
Possible answers: (3 x 7) + (3 x 7) = 42
(6 x 3) + (6 x 4) = 42
Rearrange 2 x 5 x 3 to make it easier.
(2 x 5) x 3
10 x 3
30
How do you multiply 4 x 30 using place value?
4 groups of 30 = 120
If you have 5 groups of 6, how many total do you have?
30
How can you create an array for 5 x 2?
5 rows and 2 columns
What is 4 x 9 using breaking apart?
(4 x 5) + (4 x 4) = 36
What is the result of 3 x (4 x 2)?
3 x (4 x 2)
3 x 8
24
What is 2 x 40?
80
If you have 7 groups of 3 apples, how many apples do you have?
21 apples
Create an array to represent 6 x 3.
6 rows and 3 columns
Explain how to use breaking apart with 5 x 12.
(5 x 6) + (5 x 6) = 60
How can you group 5 x 2 x 6?
Possible answers: (5 x 2) x 6 = 60
5 x (2 x 6) = 60
Explain 5 x 60 using place value.
5 x 6 = 30
5 x 60 = 300
Explain how to find 4 x 6 using equal groups.
4 groups with 6 in each group (24 total)
If you have an array with 4 rows and 5 columns, how many items are there?
20 items
How does breaking apart help with 8 x 6?
Possible answers: (4 x 6) + (4 x 6) = 48
(8 x 3) + (8 x 3) = 48
Explain why (3 x 5) x 4 is the same as 3 x (5 x 4).
You can change the order in which you group the factors because of the associative property of multiplication
How can you use place value to find 6 x 70?
6 groups of 70 = 420