Show:
Discounts / Tax, Variables and Absolute Value
Rates / Distance
Pythagorean Theorem / Square Roots / Exponents
Fractions / Rational and Irrational Numbers
Properties
100
A sweater originally cost $38.50. Last week, Moesha bought it at 20% off. How much was deducted from the original price?
$7.70 deducted
100
A train traveled at an average speed of 45 miles per hour for 3 hours and 30 miles per hour for 3 hours. What is the total number of miles that the train has traveled?
225 miles traveled.
100
5 to the power 6 X 5 to the power -3 is what number?
5 to the power 3.
100
3/5 * 3 =
9 / 5 OR 1.8
100
Which property is used in the equation below? 13 (x + 2) = 13x + 26
The distributive property since the 13 is distributed to the x and to the 2.
200
Jason bought a jacket on sale for 50% off the original price and another 25% off the discounted price. If the jacket originally cost $98, what was the final sale price that Jason paid for the jacket?
$36.75 final price
200
The distance a spring stretches varies directly with the force applied to it. If an 8-pound weight stretches a spring a distance of 20 inches, how far will the spring stretch if a 14-pound weight is applied?
35 inches.
200
The square root of 90 is between which two integers?
Between the integers 9 and 10. Because 9*9 = 81 and 10*10 = 100 (since 90 is between 81 and 100)
200
What fraction is the same as 3.16? a) 58/25 b) 79/25 c) 21/5
b) 79/25 = 3.16 when divided
200
Which expression is equivalent to 2x - 2y? a) 2xy b) 2(x-y) c) 2x - y
b) 2(x-y)
300
Stuart is buying a pair of jeans that regularly cost $50. They are on sale for 20% off. If the tax rate is 8%, what is the sale price of the jeans including tax?
$43.20 final sale price with tax
300
Joan needs $60 for a class trip. She has $26. She earns $2 an hour mowing lawns. If the equation shows this relationship, how many hours (h) must Joan work to have the money she needs? 2h + 26 = 60
17 hours.
300
Using the Pythagorean Theorem what is the missing length? If a = 10 and b = 15, c = ?
C = the square root of 325.
300
What number is the same as 7/2?
3.5
300
Which property illustrates the inverse property of multiplication? a) 6 * 1/6 = 1 b) 6 * 1 = 6 c) 6 * 0 = 0
a) 6 * 1/6 = 1 (the inverse of multiplication is division and 1/6 is dividing)
400
What is the absolute value of: l 9-4 l - l 6-8 l =
What is 3.
400
Mr. Callaway needs to purchase enough grass seed to cover a 2000 square-foot-lawn and a 4000 square-foot-lawn. If 40 ounces of grass seed covers 1500 square-feet, how many ounces does he need to seed BOTH lawns?
160 ounces of grass seed to cover both lawns.
400
Use the Pythagorean Theorem to find the missing side length. If a = 12 and c = 15, what is b = ?
b = square root of 81 OR b = 9 (because 9 * 9 = 81)
400
Which is an irrational number? a) square root of 5 b) square root of 12 c) -2
a) square root of 5 is irrational because it's not a perfect square
400
Which property is illustrated by 1/2 (4/4) = 4/8 ? a) additive identity b) commutative property c) multiplicative identity
c) multiplicative identity (because 4/4 is a giant 1 so basically it is being multiplied to keep it's own identity 4/8 is still equal to 1/2)
500
If m = 4 and n = 5, what is the value of 4m + mn =
36.
500
Citizens of Honduras use lempira for their money. In July 2002, the conversion rate for U.S. money to Honduran money was about 7 cents to 1 lempira. What dollar amount was equivalent to 300 lempiras?
$21.00 U.S. dollars is equivalent to 300 lempiras.
500
Use the Pythagorean Theorem to solve for the missing side length. If b = 13 and c = 15, what is a = ?
a = the square root of 56
500
What common denominator would you use to subtract these two fractions? 7/8 - 1/6 =
24 would be the common denominator.
500
Which of the following is an example of an inequality? a) 4n - 6 b) 4n > 10 c) 2 = n -5
b) 4n > 10 (because ">" is an inequality sign)