Fractions
8/2 (divide) 4/3
3
What is the word for two equal ratios?
Proportion
5(10x + 3)
50x + 15
There are 5 shapes. 2 pentagons and 3 squares. What is the probability of picking a square?
3/5 or 60%.
How old is Rossman School?
105 Years Old
2 and 5/8 x 3 and 1/6
8 and 31/46
Find the missing value in the proportion:
64/128 = ?/4
2
3(4x + 5) - 10x - 13
2x + 2
Sammy reaches his hand into a bag. It has 3 black marbles, 4 green marbles, and 7 red marbles. What is the probability Sammy picks a green marble?
4/14
pseudonym
8 3/4 (divide) 5 1/2
1 13/22
Susan is making cookies. Her original has a ratio of 5 chocolate chips to 4 other ingredients. Susan's bigger recipe calls for 28 other ingredients. How many chocolate chips does Susan's bigger recipe require?
10
3 (2x + 3) - 5
6x + 4
There are 2 red marbles and 2 green marbles. You take one marble out, keep it, and pick another. What is the probability of choosing 2 green marbles in a row?
2/12 or 1/6
Define "abberation"
A departure from what is normal.
11 7/9 x 10 6/8
126 11/18
228
0.2(5x - 3) - 0.7
Jeff is a chef. He has 14 orders for pizza, 16 for spaghetti, and 12 for salad. What is the probability of picking each order. (Answers much be completely simplified).
Pizza = 14/42 (reduced = 1/3)
Spaghetti = 16/42 (8/21)
Salad = 12/42 (2/7)
What type of cell is found in the brain?
Neurons and/or Glia
17 4/5 (divide) 14 9/10
1 29/149
6 / (m-9) = 9/ 3
Solve for m
m = 9
0.7(3c + 5) - 3.14 + 5c
7.1c + 3.6
What does F.C.P. stand for? (This is the strategy we used as a shortcut to drawing tree diagrams).
fundamental counting principle
Name a country that starts with the letter "z".
Zambia or Zimbabwe