Vocabulary
What is the process of finding the total when you have equal groups?
Multiply
Sarah has 3 boxes of chocolates. Kennedy has 5 times as many chocolates than Sarah. How many chocolates does Kennedy have.
3 × 5 = 15 chocolates
If 3 is 3 times as much as 1, what is the equation?
3 = 3 × 1
If I have 3 apples and you have 5 apples, how many more apples do you have than I do?
5 - 3 = 2 apples
2 x 3
6
What is a symbol used to represent an unknown number in mathematics?
Variable
A tree is 4 times as tall as a bush. If the bush is 2 feet tall, how tall is the tree?
4 × 2 = 8 feet
Which comparative statement represents the equation 5 x 3 = 15?
a. 15 is 5 times as many as 3
b. 3 is 5 times as many as 15
c. 5 is 3 times as many as 15
d. 5 is 15 times as many as 3
a. 15 is 5 times as many as 3
If a ribbon is 10 inches long and another is 6 inches longer, how long is the second ribbon?
10 + 6 = 16 inches
5 x 4
20
What term is used for comparing quantities by addition?
Additive Comparison
Max drove 90 miles. He drove 3 times more than Steve. How far did Steve drive?
3 x __ = 90
90 divided by 3 = 60
3 x 60 = 90
Keisha, Bryan and Hiran are playing basketball. Keisha made 6 shots and Bryan made 2 times as many shots than Kiesha. How can you write a multiplicative comparison to show how many shots Bryan made?
6 x 2 = 12
If a book has 120 pages and another book has 20 pages more, how many pages does the second book have?
120 + 20 = 140 pages
7 x 6
42
What is a chart that uses bars to show quantities?
Bar Graph
Hannah and her dad are making a sculpture using welding rods that are 12 inches long and 14 inches long. They use five 14 inch rods and four times as many 12 inch rods as 14 inch rods. How many 12 inch rods do they have?
5 x 4 = 20
24 is 6 times as many as Y, what is the equation? What is the answer?
24 = 6 x Y
24 divided by 6 = Y
Y = 4
If a garden has 15 flowers and another garden has 5 more, how many flowers does the second garden have?
15 + 5 = 20 flowers
9 x 8
72
What term describes comparing quantities by multiplication?
Multiplicative Comparison
Hannah and her dad use 20 - 12 inch rods and 5 - 14 inch rods on their last sculpture. That is 5 times more than they have to use on a new sculpture. How many total rods will they have to use for the new sculpture?
20 + 5 = 25
__ x 5 = 25
25 divided by 5 = 5
5 x 5 = 25
5 total rods
72 is 12 times as many as Y.
Y is 4 times more than Z.
How can we use equations to represent how to find Y AND Z.
What is Y and Z?
72 = 12 x Y
72 divided by 12 = Y
Y = 6
Y x 4 = Z
6 x 4 = Z
Z = 24
If a tree is 30 feet tall and another tree is 10 feet taller, how tall is the second tree?
30 + 10 = 40 feet
12 x 11
132