Irrational Numbers
Scientific Notation
Compare/Order Numbers
Proportional Relationships
Estimate Solutions
100
Which value is a reasonable approximation of the √82? A) 8.9 B) 9.8 C) 9.5 D) 9.1
D) 9.1
100
Write the standard number 3,580,000 in scientific notation. A) 3.58 × 10^6 B) 358 x 10^4 C) 3.58 x 10^-6
A) 3.58 x 10^6
100
Select the correct symbol: 5,868 _ 6,037 A) > B) = C) <
C) <
100
Sandra walks two miles in 36 minutes, which of the following equations can be used to calculate how long it takes her to walk x miles? A) y = 10x B) y = 18x C) y = 36x
B) y = 18x
100
Rex works at a restaurant that serves pizza by the slice. He observed that out of the last 6 slices of pizza ordered, three were pepperoni. If 80 slices of pizza were ordered before the end of Rex's shift, what is a reasonable estimate of the number of those slices that were pepperoni? A) 30 B) 10 C) 40 D) 9
C) 40
200
What two numbers would the √35 come between on a number line? A) 3 & 4 B) 5 & 6 C) 4 & 5 D) 6 & 7
B) 5 & 6
200
Write the number 7.921 × 10^3 in standard form. A) 7,921,000 B) 7,921 C) 0.0007921
B) 7,921
200
Which list of numbers is in order from least to greatest? A) 1/3, 1/4, 2/5 B) 2/5, 1/4, 1/3 C) 1/4, 1/3, 2/5
C) 1/4, 1/3, 2/5
200
Delia is mixing paint for a wall mural. She needs 2 parts white for every 5 parts blue. If she has 30 gallons of blue, how many gallons of white paint does she need? A) 12 B) 6 C) 10 D) 60
A) 12
200
Karen bought a pearl necklace for $4,635. She had to pay an additional $230.00 to cover the sales tax. Which of the following is the closest to the total amount of tax paid by Karen? A) 10% B) 5% C) 8% D) 20%
B) 5%
300
What is the approximate value of the √27? A) 7.2 B) 5.2 C) 4.3 D) 5.9
B) 5.2
300
Write the number 5.985 × 10^-5 in standard notation. A) 0.000005985 B) 598,500 C) 0.00005985
C) 0.00005985
300
Select the correct symbol: 0.087 _ 0.57 A) < B) > C) =
A) <
300
Addy is using a map of a hiking trail to determine the distance across a ravine. The scale on the map is 1.2 inches = 3 feet. If the ravine is 4.8 inches wide on the map, what is the actual width of the ravine? A) 36 feet B) 12 feet C) 72 feet
B) 12 feet
300
Chuck is ordering large sandwiches for a party. The menu says that each sandwich feeds 30 people. If Chuck wants to order enough sandwiches to feed about 64 people, how many sandwiches should he order? A) 3 B) 2 C) 4
A) 3
400
What is the approximate value of ∏? A) 1.44 B) 3.14 C) 2.71 D) 3.41
B) 3.14
400
Write the number 0.0003733 in scientific notation. A) 37.33 × 10^-4 B) 3.733 × 10^-4 C)3.733 × 10^-3
B) 3.733 × 10^-4
400
Which list of numbers is in order from greatest to least? A) 51%, 2/3, 0.34 B) 0.34, 2/3, 51% C) 2/3, 51%, 0.34
C) 2/3, 51%, 0.34
400
Troy is riding on a train at a constant speed of 30 miles per hour. If Troy rides on the train for 40 minutes, how far does he travel? A) 10 B) 80 C) 120 D) 20
D) 20
400
A company donates 1% of every customer purchase made on their store credit card to charity. This company had one store location that donated a total of $10,944.13 to charity from last month's credit card purchases. What was the approximate total amount of the customer store credit card purchases from last month at this location? A) $109,400 B) $10,940,000 C) $1,094,000
A) $109,400
500
Determine which irrational number is between 15 and 16. A) √220 B) √276 C) √300 D) √234
D) √234
500
A day is equivalent to 8.64 × 10^4 seconds. What is this time in standard form? A) 864,000 seconds B) 8,640 seconds C) 86,400 seconds
C) 86,400 seconds
500
Which list of numbers is in order from least to greatest? A) 8/1, 8/3, 8/5 B) 8/5, 8/3, 8/1 C) 8/3, 8/1, 8/5
B) 8/5, 8/3, 8/1
500
Jethro is planting flowers in his garden. He wants the ratio of tulips to roses to be 4 to 2. Jethro wants to plant a total of 42 flowers. How many tulips should he plant? A) 28 B) 7 C) 6 D) 14
A) 28
500
A recipe for one loaf of banana bread calls for 2.5 cups of flour. Using this recipe, what is a reasonable estimate for the number of cups of flour needed to make 12 loaves? A) 6 B) 24 C) 30 D) 4
C) 30
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