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

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

Proving Triangles are Similar

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

Pythagorean Proofs

Watch the following video to help prove
Pythagoras's Theorey.
https://youtu.be/ANR4g0lPrEQ

Or search for other simple proofs online.

Isosceles and Equilateral Triangles and Pythagoros

Finding a sides of Isosceles and equilateral Triangles.

http://sites.csn.edu/istewart/Math120/Geometry/triangles.html

and watch the following video:
https://youtu.be/jAS1BgwhycE

Pythagoras and Right Angle Triangles

Watch the following videos
to see how to solve right angle triangles
https://youtu.be/ku4rEwRxZOc

and Word Problems
https://youtu.be/hN7FG15lIh4

Algebra Coin Problems

Watch the video and try the technique
to solve Algebra Coin Problems.
https://www.youtube.com/watch?v=GFjCb-vhdhM