Area
What is the formula for area?
length x width
What is a way to show multiplication?
array
model
repeated addition
What are the parts of a fraction?
Numerator
-------------
denominator
The answer of a division problem is called the ______
quotient
How do you undo addition?
How do you undo division?
subtraction and multiplication
Emilio's bookmark has an area of 24 square centimeters. Which of the following could be the dimensions? Select 2
A) Length: 12 cm; Width: 10 cm
B) Length: 8 cm; Width: 3 cm
C) Length: 12 cm; Width: 2 cm
D) Length: 7 cm; Width: 4 cm
B and C
6 spiders are walking across a picnic table. How many spider legs are there?
6 x 8 = 48
Gilly and Luke went to the school library one fine morning. They planned to read books that day and borrow books to read during the winter. Of the 10 books on fairy tales, Gilly borrowed 3. What fraction of the books on fairy tales did she borrow?
3/10
Henry baked 40 cookies for a bake sale. He put the cookies into 5 boxes. How many cookies were in each box?
8 cookies
Daniela has 10 boxes with 1 toy car in each. Paola has 1 box with 1 cars in it. How many toy cars does each child have?
10 cars
Alona's poster is 3 feet tall and 4 feet wide. How many square feet does Alona's poster cover?
3 x 4 = 12
12 square feet
A box of chocolates has 6 rows of chocolates with 7 chocolates in each row. How many chocolates are in the box?
There are 42 chocolates in the box.
Luke checked out books about land and sea animals from the library. There were 20 books on land animals and 4 books on sea animals. He chose to borrow 7 books on animals. What fraction of the books on animals did Luke borrow?
Total number of books on animals = 20 + 4 = 24 Number of books on animals borrowed = 7 Luke borrowed 7/24 of the books on land animals.
Regina ran each day after school. By Friday, she had run a total of 45 miles. If she ran the same distance on Monday, Tuesday, Wednesday, Thursday, and Friday, how many miles did she run each day?
9 miles a day
Mr. Andrews is preparing for a class party. He needs 30 juice boxes. The juice boxes come in packages of 6. How many packs should he buy?
5 packages
Marissa is solving n x 3 = 12. She says n = 36 because 3 x 12 is 36. Is she correct? If not, how many should she solve?
She is wrong
n= 4 because 3 x 4 = 12
Valerie is baking pies. She bakes 9 pies and uses 8 teaspoons of cinnamon for each pie. How much cinnamon does Valerie use?
Valerie uses 72 teaspoons of cinnamon.
Carla is running in a 2-mile race. So far, she has run ⅚ mile. How much longer does Carla need to run to reach the finish line?
Carla needs to run 1 ⅙ mile or 7/6 mile more
Which situation can be solved using the expression 32/ 4=
A) Finding the number of shirts when there are 4 groups of 32
B) Finding the number of dresses when 32 dresses are placed on a rack with 4 dresses
C) Finding the number of dresses left over when 4 jackets are sold out of 32
D) Finding the number of skirts on each rack when a total of 32 skirts are placed equally on 4 racks
A and D
Michael bought 3 boxes of donuts for National Donut Day to share with his classmates. Each box contains 8 donuts. If he first shares 6 donuts with his favorite teachers, how many donuts does he have left to share with his classmates?
Michael has 18 donuts to share with his classmates
A real estate agent needs to list the “square footage” of an apartment. The floor plan of the railroad-style apartment is below.
Kitchen- 7 feet x 8 feet
Bedroom- 7 feet x 15 feet
Bathroom- 7 feet x 7 feet
What is the total area of the apartment?
The apartment’s area is 210 square feet.
Malia says she has more shoes because she has 6 boxes with 4 shoes in each. Sasha says she has more shoes because she has 4 boxes, each with 6 shoes. Who is correct? Show your thinking.
Neither is correct; they have equal amounts of shoes. 4 x 6 = 6 x 4.
A running club is setting up for a 5K, a race that is 5 kilometers long. The club plans to put a water station every ⅙ kilometer. The club also plans to put a medical tent every ½ kilometer. There will be no tents at the starting line or the finish line. How many locations will have both a water station and medical tent?
There will be 9 locations: They are ½, 1, 1 ½, 2, 2 ½, 3, 3 ½, 4 and 4 ½ km
Devin has 47 collector stamps. He gives his cousin 11 stamps. Devin then divides the remaining collector stamps among 6 of his friends. How many stamps does each friend receive?
Each friend receives 6 stamps.
Julie wants to make a $100 donation to World Central Kitchen, an organization that supplies food to the hungry. She works as a math tutor and earns 10 dollars for each hour that she tutors. If she has saved $40 so far, how many more hours will she need to tutor to earn the amount of money for the donation?
Julie needs to tutor for 6 more hours.