What Operation?
Xavier had 123 eggs in a frdige in his restaurant. He put 32 more cartons of eggs in the fridge. Each carton contained 18 eggs. Which of these is the best estimate of the number of eggs Xavier now has in his fridge?
Since it is asking for an estimate, first round the numbers: 32 rounds to 30. 18 rounds to 20. 123 rounds to 100.
Multply 30 x 20 then add 100.
Mrs.Armstrong is reading a 528 page book. She reads 22 pages each day. How many days will it take Shauna to read the entire book?
The book is a TOTAL of 528 pages.
She reads 22 pages EACH DAY.
This is a division problem
Convert all of the following fractions to decimals.
1/4 = ?
1/2 = ?
3/4 = ?
1/4 = 0.25
1/2 = 0.50
3/4 = 0.75
What is 5/6 - 1/4?
Remember to find the LCD
7/12
Aeris is building a wooden fence around her rectangular yard. If her yard is 10 feet wide and 15 feet long, how many feet of wood will she need?
10 + 10 + 15 + 15
50 feet
Saydee wants to buy 3 shirts and 2 belts. The shirts cost $16.89 each, and the belts cost $8.97 each. Paula has $45.
Which of these amounts is the best estimate of how much more money Saydee needs in order to buy the shirts and belts?
Multiply the cost of a shirt times the amount of shirts she bought.
Multiply the cost of a belt times the amount of belts she bought.
Add the two products together.
Emma's dog weighs 32.6 pounds. Hailey's dog weighs 3.8 times as much as Emma's dog. What does Hailey's dog weigh in pounds?
Hailey's dog weighs 3.8 TIMES as much as Emma's dog. We know that Hailey's dog will weight more than Emma's dog.
Multiplication
Efrain saved a total of $3.20 over 5 weeks. He saved the same amount of money each week. How much money did Efrain save each week?
3.20 divided by 5
$0.64
Convert the following decimals to fractions:
0.50 = ?
0.25 = ?
0.75 = ?
0.50 = 1/2
0.25 = 1/4
0.75 = 3/4
Noelani put a layer of boxees in the bottom of a container. The base layer is 6 feet wide and 6 feet long. Noelani will need 8 layers to completely fill the container. What is the volume of the container in cubic feet?
Volume = l x w x h
6 x 6 x 8
288 cubic feet
Johnny ran 3.75 kilometers each day to prepare for a race. What was the number of kilometers that Johnny ran during 28 days?
Find the product of 3.75 times 28
He ran 3.75 kilometers each day for 28 days so thats 3.75 being added 28 times.
Asaiah spent $3.45 on snacks everyay for 11 days. What is the amount of money Asaiah spent on these snacks?
If Asaiah spends $3.45 on snacks every day, how much will he spend for 11 days?
Multiplication
Stephanie paid $36.95 for a shirt and $23.95 for pants. What is the total cost Stephanie spent?
Addition
36.95 + 23.95 = 60.90
Alexa has a snow cone stand and she uses 1/3 cups syrup and 1/4 cups of sugar. How many cups of ingredients does she use altogether?
1/3 + 1/4
Common denominator is 12
7/12
The length of one wall in Mr.Frankum's classroom is 11 feet. If the area of the wall is 99 square feet, what is the width of the wall in feet?
Area is l x w
99 = 11 x ?
99 divided by 11
The width is 9 feet
A company makes 625 cell phone cases each day. How many cell phone cases does the company make in 31 days?
Multiplication
Eliana is hosting a party. She has a total of 428.5 ounces of chips to put into 5 bowls for the party. She put an equal amount of chips in each bown. How many ounces of chips did Eliana put into each bowl?
Eliana has a total of 428.5 ounces of chips that she needs to DIVIDE into 5 bowls equally.
Division
Joshua and his 4 friends went out to dinner. The bill was a total of $126.25. They decide to split the bill evenly amongst all of them. How much will each person have to pay?
Joshua and his 4 friends = 5 people
126.25 divided by 5
$25.25
What is the value of this expression?
6/12 - 1/3
Hint: SIMPLIFY
2/12 and it simplifies down to 1/6
Jade is painting a canvas. Her canvas is 13 inches long and 7 inches wide. How many square inches of the canvas will she need to paint?
Area is the amount of space in a shape. Area is length x width
13 x 7 = 91 square inches.
The regular price of a calculator is $12.30. Greg paid 75 cents less than the regular price for the calculator. He also paid $1.48 for a pad of paper. What is the total amount Greg paid for these two items?
This is a two step problems
First you need to subtract: 12.30 - 0.75
Then you need to add $1.48 to the difference.
Brianna drinks 0.5 liters of orange juice with breakfast each day for 15 days. How many milliliters of orange juice does Brianna drink during the 15 days?
MULTIPLICATION
Last month, Kinder drove his atv 2,718.3 miles. That brought the atv's total mileage to 87,416 miles. What was the car's total mileage before last month?
Since we are looking for his atv's total mileage BEFORE last month, we know the number will be smaller. Subtraction. Remember to line up the decimals.
87,416 - 2,718.3 = 84,697.7
Jayden is making slime. He put 3/4 cups of glue, 1/2 cup of food coloring, 1/4 cups of water and 1/4 cups of shaving cream. What is the total amount of cups of ingredients Jayden put in his slime?
Add all the fractions together. LCD is 4.
3/4 + 2/4 + 1/4 + 1/4 = 7/4
Convert the improper fraction to a mixed number: 1 3/4 cups
Spencer is building a lego house. The area of the base is 72 centimeters. If the height of the house is 12 centimeters, what is the volume of Spencer's lego house?
Volume is l x w x h OR Bh
72 x 12 = 864 cubic cm