Thursday, January 26, 2017

Exam Review

Grade 9 Transitional Math Review

Be sure to look over your earlier quizes.

You will need to know the following:
-- Convert between and find Fractions, Decimals and Percents
Be able to add/subtract, multiply/divide fractions
-- Integers
Be able to add/subtract, multiply/divide integers
-- Order of Operations
Use BEDMAS for variety of equations
-- One and Two Step Equations
Work to find an unknown (variable). Isolate and solve
using "Teeter Totter technique"
-- Coin and Age Problems
Create a table and create an equation from the organized information.
Solve for the unknown
-- Right Angle Triangles
Use Pythagoras,Similar Triangle ratios, and Trig ratios to find
unknown sides ( or angles)

Bring a calculator to the exam

Wednesday, January 18, 2017

Using Similar Triangles to Solve Word Problems

Watch the following video to see how
to solve some typical word problems
using similar triangles.
https://youtu.be/5c6J2isloqo

Wednesday, January 11, 2017

Proving Triangles are Similar

Watch the following video to understand ways of proving that two triangles
are similar.
https://youtu.be/9-RsDJwsbKE