Math is Cool!

Order of Operations:

First, do parenthesis (    )

Then, do multiplication and division

Last, do addition and subtraction

Always move from left to right!!

(5 x 4) - 3 

20 - 3 = 17

 

Measurement:

Table of Length Conversions  

 

U.S. Customary Units

12 inches 1 foot
3 feet 1 yard
5,280 feet 1 mile
1,760 yards 1 mile

 

Metric System

10 millimeters 1 centimeter
10 centimeters 1 decimeter
10 decimeters 1 meter
1,000 meters 1 kilometer

 

Table of Mass Conversions

 

                  U.S. Customary Units 

16 ounces 1 pound
14 pounds 1 stone
2,000 pounds 1 tons

Metric System

1,000 milligrams 1 gram
1,000 grams 1 kilogram
1,000 kilograms 1 tonne

 

Table of Volume Conversions

U.S. Customary Units

16 ounces 1 pint
2 cups 1 pint
2 pints 1 quart
4 quarts 1 gallon

Metric System

1,000 milliliters 1 liter

How HOT or COLD?


 

  • The average human body temperature is 98.6 degrees Fahrenheit, or 37 degrees Celsius.

     

  • A hot summer's day in Florida would be close to 100 degrees Fahrenheit, or 38 degrees Celsius.

     

  • A comfortable room temperature would be around 70 degrees Fahrenheit, or 21 degrees Celsius.

     

  • A pot of boiling water is 212 degrees Fahrenheit, or 100 degrees Celsius.

     

  • The temperature of a pitcher of iced tea would be around 57 degrees Fahrenheit, or 14 degrees Celsius.

     

  • A cold winter day with a high wind chill factor might be below freezing at 23 degrees Fahrenheit, or -5 degrees Celsius.


Place Value:

 ts_4_1_dev1-1.gif

Ways to write a number:

Standard     4,236,197

Expanded    4,000,000 + 200,000 + 30,000 + 6,000 + 100 + 90 + 7

Words       four million, two hundred thirty-six thousand, one hundred ninety-seven

 

The value of a number tells what the number in a place is worth.

   ex. 64,329   in this number the value of the 4 is 4,000

                                           the value of the 2 is 20

The place of a number tells the name of the numbers location.

  ex. 64,329   in this number the place of the 4 is the one thousand's place

                                          the place of the 2 is the ten's place