Terms and Concepts
What do "of" and "is" mean when writing an equation, respectively?
Multiplication (x), equals (=)
Solve by converting the % to a decimal or fraction: What is 70% of 39?
27.3
Solve by writing an equation: 76 is 80% of what number?
95
This animal can only eat with its head upside down. Who am I?
Flamingo!
Define "percent."
A percent is a RATIO that compares a number to 100.
Solve using a proportion: 96 is 160% of what number?
60
Solve by writing an equation: You make 72 cookies at a bake sale. This is 20% of the cookies at the bake sale. How many cookies are at the bake sale?
360 cookies
For every 1 human, how many ants are there in the world?
1 million
TALK through the steps of identifying a "part," "whole," or "percent" when reading a percent problem, and how you would set up the proportion with these parts.
Answers vary. "Part" is the numerator, "whole" is the denominator, and "percent" is always a ratio over 100.
Solve using a proportion: What percent of 24 is 77?
300%
You plant 40 pots with seedlings. Eight of the pots contain tomato plants. What percent of your seedlings are NOT tomato plants?
80%
This animals builds itself umbrellas when it is raining AND pillows to sleep on in its nest. Who am I?