HESI Math Conversions, Roman Numerals

I

1

V

5

X

10

L

50

C

100

D

500

M

1000

How many meters in a kilometer?

1000 meters

Rules for Interpreting and making Roman Numerals

If a symbol appears before a larger symbol, SUBTRACT.

When a symbol appears after a larger symbol ADD.

Do not use the same symbol more than 3 times in a row.

How to write Roman Numerals greater than 1000

Place a dash over the symbol. This means the number represented by the symbol is multiplied by 1000.

Steps to convert Arabic numbers to Roman Numerals

Follow the method from the following example:

1984:

1000=M

900=CM

80=LXXX

4=IV

1984=MCMLXXXIV

What is the equivalent of 0 degrees Celsius in Fahrenheit?

32 degrees Fahrenheit freezing point

What is the equivalent of 100 degrees Celsius in Fahrenheit?

212 degrees Fahrenheit boiling point

# of meters in one kilometer

1000 meters

How many centimeters in one meter?

100 cm

# of millimeters in one centimeter

10 millimeters

How many centimeters in an inch?

2.54 cm

How many yards in a mile?

1760 yards

How many feet in one mile?

5280 feet

How many miles in one kilometer?

1.609 miles

How many feet in one yard?

3 feet

How many inches in one foot?

12 inches

How many milliliters in one liter?

1000 milliliters

How many ml in 1 cc?

1ml

How many quarts in a gallon?

4 quarts

How many ounces in a gallon?

128 ounces

How many pints in one quart?

2 pints

How many ounces in one cup?

8 ounces

How many ml in one ounce?

30 ml

How many grams in a kilogram?

1000 grams

How many milligrams in one gram?

1000 milligrams

How many pounds in one ton?

2000

How many ounces in one pound?

16 ounces

How many kilograms in one pound?

2.2

Formula to convert from Celcius to Fahrenheit

( C * 9/5) + 32

Formula to convert from Fahreheit to Celcius

( F - 32 ) * 5/9

How many ounces are in a cup?

8 ounces

How many cups are in a pint?

2 cups

How many pints are in a quart?

2 pints

How many quarts are in a gallon?

4 quarts

How many cups are in a gallon?

16 cups

How many pints are in a gallon?

8 pints

How many cups are in a quart?

4 cups

How many ounces are in a pint?

16 ounces

How many ounces are in a quart?

32 ounces

How many ounces are in a gallon?

128

How many milliliters are in 1 cup?

240

How many milliliters are in 1 quart?

960 ml

How many milliliters are in 1 tablespoon?

15 ml

How many milliliters are in 1 teaspoon?

5 ml

How many teaspoons are in one tablespoon?

3 teaspoons

How many tablespoons are in one ounce?

2 tablespoons

How many teaspoons are in one ounce?

6 teaspoons

How many tablespoons are in 1 cup?

16 tablespoons

How to divide fractions

KCF

How to multiply fractions

N x N D x D

how to add or subtract fractions

butterfly method or LCD

decimal to fraction

read as is and reduce

Fraction or decimal

divide fraction

F to C

F - 32/1.8

C to F

C x 1.8 + 32

in —> ft —> yd’s —> mi

in to ft ( div 12) ft to yds ( div 3) ft to mi ( div 5250)

oz —> cu —> pi —> Qt —> ga

div 8 —> div 2 —> div 2 —> div 2 —> div 4

oz —> lbs —> ton

div 16 —> dic 2000

KHDBDCM

—> x 10 ←— div 10