Mathematics

Front 1

what is the formula for the area of a rectangle

Back 1

Area = length x width

Front 2

what is Pi

Back 2

Pi is a constant and the ratio of the circumference to the diameter of a circle

3.1416

Front 3

what is the formula for the circumference to the diameter of any circle

Back 3

Circumference = Pi x Diameter

Front 4

what is the formula for the area of a circle

Back 4

Area = Pi x Radius squared

Front 5

what is the root of a number

Back 5

the root of a given number is the base number that when multiplied by itself one or more times will produce the given number

Front 6

give examples of perfect square numbers

Back 6

4

9

16

64

100

144

Front 7

how do you express a decimal as a percent

Back 7

move the decimal two places to the right and add a % sign

example

.75 = 75%

.375 = 37.5%

Front 8

using the powers of 10, how may 1,000,000 be expressed

Back 8

10 to the power of 6

Front 9

what is the sum a large negative number and a small positive number

Back 9

subtract the smaller number from the larger number and use the sign of the larger number n the answer

Front 10

how is a ration expressed

Back 10

a ratio may be expressed as a fraction or it may be written using the colon ( : ) as a symbol for expressing a ratio. thus the ratio 5 to 7 may be written as 5/7 or 5:7

Front 11

how do you divide one fraction by another

Back 11

multiply the first fractions numeration by the denominator ad the numerator or second fraction.

a/b divided by c/d = a/b multiplied by d/c

flip the second and multiply