Sean saves 56 quarters, which is 7 times as many quarters as Kieran. Kieran saves 8 quarters. What equation represents this comparison?
56 = 7 x 8
n = 8
River Stacks 8 bricks. Miles stacks 9 more bricks than River. How many bricks does Miles stack? (Write the equation)
8 + 9
The floor area of Laird's workout room is 8 times as large as the floor area of his storage closet. His storage closet is 3 feet long and 3 feet wide.
a. What is the area, in square feet, of the floor of Laird's workout room? Show your work. (Remember: Area is the number of square units needed to cover the inside of a region or plane figure).
closet area = 3 × 3 = 9 square feet, workout room is 8 times larger, so 8 × 9 = 72 square feet
A statement that compares two quantities using multiplication where one is times as much as, or times as many as the other.
Multiplicative comparison
A string of red beads is 50 inches. A string of purple beads is 10 inches. How many times longer is the string of red beads than the string of purple beads?
Draw a bar diagram and equation to solve.
50 ÷ 5 = 10
s x 5 = 45
s = 9
Rosie has 2 times as many balloons as Mani. Mani has 9 balloons. How many balloons does Rosie have? (Write the equation)
2 x 9
The length of Alexis's workout room is 2 times as long as the width. If the width of the workout room is 6 feet, what is the perimeter, in feet, of the workout room? Show your work. Remember: Perimeter is the distance around a shape or region.
width = 6 feet, length = 2 × 6 = 12 feet.
Perimeter is 6 + 6 + 12 + 12 = 36 feet.
Additive comparison
Forty-eight new players joined the football team last year. That is 6 times as many as the number of new players that joined the football team this year. What equation can you use to solve?
n x 6 = 48
56 ÷ n = 7
n = 8
Esmerelda packs 6 picnic baskets. Francesca packs 3 times as many picnic baskets as Esmerelda. How many picnic baskets does Francesca pack? (Write the equation)
3 x 6
The length of Troy's basement is 5 times as long as the width. If the width of the basement is 4 meters, what is the perimeter of the basement? (hint: perimeter= L + W + L + W)
48 meters
Statement that compares two quantities with addition where one is more or less than the other.
Additive comparison
Cameron has 24 books. She has 3 time as many books as games. How many games does she have?
8 games
f x 7 = 84
f = 12
Maceo writes 9 thank you notes. Masha writes 5 more thank you notes than Maceo. How many thank you notes does Masha write? (Write the equation)
9 + 5
The area of Dario's garage floor is 4 times as large as the area of his bedroom floor. His bedroom floor is 5 meters long and 4 meters wide. What is the area of Darios garage floor? (hint: area = L x W)
80 square meters
"River swam 2 times as many laps as Seth" is an example of what?
Multiplication comparison
The theater sold a total of 60 tickets to its musical. That is 3 times as many tickets than were sold for the comedy. How many tickets were sold for both the musical and the comedy?
Write an equation with a symbol for the unknown. Draw a bar diagram to show your work.
3 x c = m; m = 60; 3 x c = 60; c = 20
30 x 20 = 60; 20 + 60 = 80 comedy and musical tickets were sold.
132 ÷ d = 11
d = 12
What comparison statement could represent the equation 9 x 6 = 54 (Write the comparison statement)
54 is 9 times as many as 6
Emma wants to lay some brown and yellow square tiles on her kitchen floor. Each tile is one square meter. The number of brown tiles is 3 times the number of yellow tiles. she uses 60 brown tiles. How many yellow tiles will she need? Explain and show your work.
3 x c = 60; 3 x 20 = 60.
20 yellow tiles.
A symbol used for an unknown quantity (examples: x,y,z,?)