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Mr. Hands Math Notes

Back to Main Page Quia Page for Math 2 Quia Page for Math 3

Converting: Decimals Percents Fractions Ratio

Fraction

Decimal

Percent

Ratio

1/2

0.5

50%

1:2

4/3

 

 

 

5/6

 

 

 

1

 

 

 

 

Decimals:

 

Adding and Subtracting Decimals: 0.2 + 3.3 + 1.5 = ____________

 

Multiplying Decimals: 8th Grade Math - Multiplying Decimals - Math Computation Practice
http://www.quia.com/rr/556188.html

 

0.2 x 3.5 = ____________

 

30 x 0.3 x 0.3 = ____________

 

Dividing Decimals: 8th Grade Math - Dividing Decimals - Math Computation Practice
http://www.quia.com/rr/556154.html

 

 

4 divided by 0.02 = ____________

 

0.5610 = ____________

 

Exponents: 8th Grade Math - Scientific Notation
http://www.quia.com/rr/536705.html

 

Write 6 x 6 x 6 x 6 x 6 as an exponent: ____________

 

Adding and Subtracting Exponents: (Hint: Calculate the values. Then add or subtract.)

 

22 + 31 =

 

43 40 =

 

 

Multiplying Exponents: 22 x 23 = ____________

Dividing Exponents: 37 / 32 = ____________

 

Fractions:

Adding Fractions and Subtracting Fractions:

+ + =

2- 1=

 

 

Multiplying Fractions

=

 

11 =

 

 

Dividing Fractions

=

1=

 

 

Improper Fractions and Mixed Numbers:

7/6 = ____________

 

3/2 1 = ____________

 

Integer Operations:

8th Grade Math - Signed Operations - MILLIONAIRE GAME
http://www.quia.com/rr/516037.html

 

8th Grade Math - Integer Operations - Jeopardy
http://www.quia.com/cb/495578.html

 

6 -2 = _______

 

-3 (-2)(-1) =_______

6 -2 = _________

- 6 2 = _________

 

Patterns: (Answer = DN + Start)

8th Grade Math Number Patterns
http://www.quia.com/cm/390724.html

What is the formula for the following pattern? ___________

2 5 8 11 14

N = 0 1 2 3 4

 

PEMDAS: (7-2) x (1+2) 24 = ____________ 23 + 4 (-2) (3 x 2) = ____________

 

Percentages:

175% of 20 =

 

8 is what percent of 24?

 

 

Probability: ________What is the probability of rolling an even number on a die or flipping a coin and landing on tails at the same time?

 

Ratio: ________In the kitchen, the ratio of bowls to spoons is 2:5. How many bowls are there if there are 20 spoons?

Y

 
 


Scientific Notation: 4.1 x 102 = ____________ 3.2 x 10 -1 = ____________

 

Slope and equations of a line: y = sx + i

X

 
Y = -1x + 1 The slope of this equation is ___________. Sketch the slope here:

 

Triangles:

 

 

 

 

 

 

 

 

 

 

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