Learning Target- Develop a formula for finding the area of triangles and parallelograms.

Example-

Let's say the base of this parallelogram is 3 inches, and the height is 2 inches.  You would then do: 3 multiplied by 2, and you would get 6 inches.

 Let's say the base of his triangle is 2 inches, and the height is 4 inches.  You would then do: 2 multiplied by 4 divided by 2, and you would get 4.

\

 Learning Target- Find the least common multiple.

Lesson- The first thing you need to do is find the multiples of the numbers you are finding the least common multiple of.  A multiple is a product of a number and any other whole number.  When you do this you only need to find the first five or six multiples of each number.  Next, you need to circle all the multiples that are the same.  The number that is the same and is the lowest number, is the least common multiple.

Example problem- Let's say that you have the numbers 5 and 25. 

5: 5, 10, 15, 20, 25

25: 25, 50, 75, 100, 125

The only thing you circle is 25, so the least common multiple is 25.

For more information about the least common multiple and to practice finding it, go to Amby's Math Resources.

Learning Target-

Use strategies to develop formulas for finding the circumfrence of circles.

What we did-

To learn the learning target each table got five circular items.  We measured the circumfrence and the diameter of each item.  We learned that if you multiplied the diameter by 3.14 you get the circumfrence.

LINKS:

Circumfrence of a circle

Maths I Area and volume

Mrs. Glossers Math Goodies