Number Operations
A hydrogen molecule is 1.5 x 10-10 meters in length. This is the number in standard notation.
What is 0.00000000015 ?
Mr. Hines paid $8.40 for an international phone call. He paid a fee of $1.25 plus $0.55 per minute. This is the equation that can be used to find the number of minutes, x, he was on the phone.
What is 0.55x + 1.25 = 8.40
This is the area of a circle with a diameter of 8 cm.
What is 50.24 square cm
This is the discount amount of an item that is $13.00 on sale for 10% off.
What is $0.13 ?
An angle measures 62 degrees. This is the measure of its complement.
What is 28 degrees ?
This is 35% of 7 rounded to the nearest tenths place.
What is 2.5?
-2(x+ 7) + 3 = 9x
What is x = -1
This is the name for measuring how much wrapping paper is needed to wrap a cylindrical gift.
What is surface area.
This is the sale price of a pair of $150 running shoes that are marked down 15%.
What is $ 127.50 ?
What is supplementary angles.
These are all classifications that -10 belongs to in the Real Number System.
What is Real, Integer, Rational ?
This is an equivalent expression for
5 (n - 8) + 7n + 2
What is 12n - 38 ?
This is the volume of a square pyramid with a height = 6 in and a base side = 10 in.
What is 200 cubic inches
This is the percent decrease of the temperature that goes from 80 degrees to 65 degrees in 2 days.
What is 18.75 % ?
Two angles are vertical to each other and one measures 12 degrees. This is the measure of the other angle.
What is 12 degrees ?
This is the descending order that -2/3, 50%, 0.42, and 32 go in.
What is 32, 50%, 0.42, -2/3 .
This is an equation that matches the following statement. Six less than four times a number is two more than three times that number.
What is 4n - 6 = 3n + 2
The Texas Star, at Fair Park in Dallas, is the largest Ferris wheel in the western hemisphere. It has a diameter of 65 meters. This is the approximate distance traveled by a person who rides this wheel for one complete revolution.
What is 204.1 m?
This is the total bill for a family that went out to eat for $ 92.50 and left a 12% tip for the server.
What is $ 103.60 ?
2 supplementary angles measure 3x and (2x+2). This is the value of x.
What is 35.6
A side of Ari’s aquarium is a square with an area of 190 square inches. The number of inches that each side measures is between these two consecutive integers.
What is 13 and 14 ?
This is the measure of the hypotenuse of the right triangle with legs that measure 4 and 5 rounded to the nearest tenths place.
What is 6.4
This is the surface area of a cone with a slant height of 3 and a radius of 2
What is 31.4
The total owed on a $ 53.50 meal with a tip of 10% and tax rate of 5%. Calculate the tax without the tip included.
What is $61.53?
2 angles are complementary to each other. One angle measures (x + 7) degrees and the other measures (4x) degrees. This the value of x.
What is 16.6