Mr. Glass
Subtraction of a Fraction
Academic Language
They're Multiplying!
Division Decisions
100

Mr Glass was born in what state?

Illinois
100

10 / 10   -   5 / 10

5 / 10

100

2/5  and  17/5 can be said to have _____ ?

Common Denominators

100

2 x  1/2

2 /2 

100

(1 / 2) / (1 / 3)

3 / 2

200

True or False: Mr. Glass has two pets

True! My cat and my dog!

200

12 / 2   -  3 / 2 

9 / 2

200

True or False:  Uncommon denominators cannot have the same numerator 

FALSE: They can have any numerator, only the denominators determine whether they're common or uncommon

200

3 x 2 / 5

6 / 5 

200

(3 / 4) / (5 / 4)

12 / 20

300

Where did Mr. Glass go to college?


Hint: Its in WA

University of Washington

300

8 / 9  -  3 / 9 ?

5 / 9

300

True or False: Numerators represented how many parts of your whole you have (not how many parts make a whole)

True -- numerators are on top and tell how many pieces you have of your fraction

300

1 / 2  x  2 / 3 

2 / 6

300

One-Half divided by Two-Fifths

5 / 4    (Five - Fourths)

400

What grade did Mr. Glass get on his Honors Alg 2 final?


A B C D or F?

D! Thanks Mr. Weibe!

400

5 / 2  - 1 / 3 

13 / 6 

400

5 / 6 can be flipped to make 6 / 5, these fractions are ____ ?

Reciprocals 

400

6 /5  x  3 / 2 

18 / 10

400

(5 / 5) / (2 / 2)

10 / 10

500

What is Mr. Glass' favorite basketball team?

The Chicago Bulls, baby!
500

1 / 4 - 1 / 5 ?

1 / 20

500

What is the name of the mathematical structure that allows us to divide numbers into parts of a whole?

Fractions!

500

10 / 12 x 0 / 42

0 / 504

500

(A / B) / (C / D)

Show what answer would be using the letters

(A*D) / (B*C)

M
e
n
u