Percentages of Numbers
Math Vocabulary
Algebraic Solutions
Surprise
Order of Operations
EVERYTHING
100
Find 50% of (in your head ... write down the answers; make sure you include units)
of
Andre lives 1.6 kilometers from school, what is 1/2 way?
Diego lives 1/2 mile from school, what is 1/2 way?
... BOARD COMPETITION!
Andre lives 1.6 50% is .8 kilometers
Diego lives 1/2 mile, 50% is 1/4 mile.
100
What are the numbers called that you multiply together to find the product?
Factors
100
Evaluate this expression if the value for z is 20.
4z + 2
82
100
Write the expression for: The quotient of c and d
c divided by d.
100
Write the expression in expanded form, and then evaluate.
(1/2)2
1/2 times 1/2 = 1/4
100
Add up all your scores for your team for the Desmos Measuring Activity (Flour)
Highest answer:
7 + 7 + 7 = 21 highest point value
200
There is a 10% off sale on laptop computers. If someone saves $35 on a laptop, what was the original cost?
Savings percentage
35 10
350 100
Answer is $350
200
What does GCF stand for?
Greatest Common Factor
200
What is the value for x?
BOARD COMPETITION!
x = 4 cm + 4 cm = 8 cm
200
Joao’s weight has tripled since his first birthday. If 𝑤 represents the amount Joao weighed on his first birthday, write an expression to show how much Joao weighs now.
3w
200
Which value will you evaluate first in the parenthesis?
Then solve.
BOARD COMPETITION!
42; 4 times 4 = 16 + 3 = 19 times 2 = 38
200
Go to Khan Academy and each student check your scores for your Division Test #3; add those up and divide by the number that is in your group.
What do you get?
300
Select all the expressions whose value is greater than 100.
A, D, & F
300
In the problem, 35 divided by 5 equals 6, what is the number 35 called?
the dividend
300
Evaluate this expression with a = 25 and d = 106 
Solve 106 - 6 = 100, then add 25 = 125
300
What does this model represent in words?
The sum two times 'a' and two times 'b'
2a + 2b
300
Evaluate this expression.
9 times 9 = 81 - 4 = 77 + 2 = 79
300
Draw a dot plot graph or a table to represent the following data:
what percentage of the people ordered 1 topping on their pizzas?
There were 15 peopled tallied and 5 people had 1 topping on their pizze; 5/15 = 1/3 = 33% of the people had one topping;
Table could look like this:
400
This dot plot shows the number of hours per week that these 25 students reported spending on homework. What percentage of students reported spending 4 or fewer hours on homework a week?
17 students reported spending 4 or fewer hours on homework. 17/25 = 17 out of 25 (so you divide 25 by 17 and your answer is 68%.
400
What is the 5 called in the following expression?
12m - 3
the coefficient
400
Evaluate the expression with f = 4.75 and d = 5
4.75 - 5/2 = 4.75 - 2.5 = 2.25
400
What is the total volume of this rectangular prism?
23 cm times 7 cm times 4 cm = 644 cm3
400
Solve 
3 + 4 = 7; 14 divided by 7 = 2; 13 + 5 = 18 -2 = 16 times 2 = 32
400
The formula for finding the area of a right triangle is:
1/2 h * b (1/2 of height times base; because it's only 1/2 the size of a rectangle/square). What is the total area of these two triangles together, assuming that all units are cm2?
8 * 3.5 = 28 divided by 2 = 14
11 * 6 = 66 divided by 2 = 33
14 + 33 = 47 cm2
500
Eduardo spent 75 minutes practicing the violin over the weekend. Show how you solve this problem.
Sylvie practiced for the piano for 152% as much time as Eduardo practiced the violin. How long did she practice?
152/100 * 75/1 = ?
divide the 100 by 25 and the 75 by 25 =
152/4 * 3/1 = 152 * 3/4 =
456/4 = 114
500
Explain the difference between what an expression is and what an equation is?
An expression is a written problem, without an equal sign ... but an equation has the equal sign and the expectation is that you will evaluate and solve it.
500
Evaluate this equation:
x = 15 divided by 3/4 = 15/1 times 4/3 = 15 * 4 = 60
1 * 3 = 3 60/3 = 20
500
What is the perimeter of this rectangle?
2(23 m + 36 m)= 2 times 23 + 2 times 36 =
46 + 72 = 118 m2
Remember that perimeter is all 4 sides added up.
500
Evaluate this expression:
500
The kittens in a room at the animal shelter are arranged in five crates, as shown below: To figure out the mean (or the average amount of kittens per crate) we need to put the same amount in each crate. How many would that be?
There would be 2 kittens in each crate because when they are all added up, they equal 10 kittens and when you divide that by 5, you get 2. 2 = the mean