Areas of Parallelograms, Triangles, and Trapezoids

October 25, 2012

New Page 5

Formula for the Area of a Parallelogram

Find the Area of a Parallelogram

Formula for the Area of a Triangle

Find the Area of a Triangle

Formula for the Area of a Trapezoid

Find the Area of a Trapezoid

ind the Area of a Composite Figure

Posted In : Math Geometry and Measurement

Perimeter and Area of Rectangles

October 25, 2012

New Page 5

Formula for Perimeter of Rectangles

How to find Perimeter of Rectangles

Find the Perimeter of a Shape

Formula for the Area of a Rectangle

Find the Area of a Rectangle

Posted In : Math Geometry and Measurement

7A : Time Table

August 21, 2012

Posted In : Learning Information

Surface area and Volume of rectangular prisms

May 28, 2012

Surface area of Rectangular Prism

For the surface area of a solid, there is a similar definition, but it applies to the exterior surfaces of the solid. Surface area is the sum of all unit squares that fit on the exterior of a solid.

As the diagram below indicates, there are six surfaces to a rectangular prism. There is a front, back, top, bottom, left, and right to every rectangular prism. The surface are of a prism is nothing more than the sum of all the areas of these rectangles.

Notice that...

Posted In : Math Geometry and Measurement

Surface area and Volume of a cylinder

May 28, 2012

Surface area of a cylinder

Definition: The number of square units it takes to exactly cover the surface of a cylinder.

Try this Drag the orange dot to the left to "unroll" the cylinder.

Volume enclosed by a cylinder

Definition: The number of cubic units that will exactly fill a cylinder

Try this Drag the orange dot to resize the cylinder. The volume is calculated as you drag.

Since the end (base) of a cylinder is a circle, the area of that circle is given by

Multiplying by the height h we get...

Posted In : Math Geometry and Measurement

Pythagoras' Theorem

March 27, 2012

Pythagoras

Pythagoras' Theorem

	Years ago, a man named Pythagoras found an amazing fact about triangles: If the triangle had a right angle (90°) ... ... and you made a square on each of the three sides, then ... ... the biggest square had the exact same area as the other two squares put together!

It is called "P...

Posted by Patcharin Sinthunavarat. Posted In : Math

Square Root

March 24, 2012

Squares and Square Roots

First learn about Squares, then Square Roots are easy.

How to Square A Number

To square a number, just multiply it by itself ...

Example: What is 3 squared?

3 Squared

= 3 × 3 = 9

"Squared" is often written as a little 2 like this:

square root of 9 is 3
This says "4 Squared equals 16"
(the little 2 says the number appears twice in multiplying)

Squares From 1² to 6²

...

1 Squared	=	1²	=	1 × 1	=	1
2 Squared	=	2²	=

Posted by Patcharin Sinthunavarat. Posted In : Math

Indefinite Pronouns

March 3, 2012

An indefinite pronoun does not refer to any specific person, thing or amount. It is
vague and "not definite". Some typical indefinite pronouns are:

all, another, any, anybody/anyone, anything, each, everybody/everyone,
everything, few, many, nobody, none, one, several, some, somebody/someone

Note that many indefinite pronouns also function as other parts of speech. Look at
"another" in the following sentences:

He has one job in the day and another at night. (pronoun)
I'd like anothe...

Posted In : Language Arts

Possessive Pronouns

March 3, 2012

Possessive Pronouns – A pronoun that shows ownership.

Subject

Possessive

Mine

You

Yours

His

She

Hers

Its

Ours

You

Yours

They

Theirs

NEVER use an apostrophe in a possessive pronoun....
Continue reading...

Posted In : Language Arts

Irregular Verbs

March 3, 2012

Irregular Verbs : The past and the past participle of some verbs are not formed by adding –ed.

Part 1

The following is a list of Irregular Verbs in English:

* HANG - Hang has two different meanings. The first is "to attach (or hang) something in a high
position" (e.g. on the wall or on a hook). In this case we use the above verbs Hang-Hung-Hung.

BUT when Hang means "to kill someone by putting a rope around someone's neck and leaving them
in a high position without any support", we use d...

Posted In : Language Arts

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