Expressions
True or false
An expression has an equal sign
False
Write out the order of operations
P
E
MD from left to right
AS from left to right
What is (0,0) called on a coordinate plane?
Origin
What do you need to be able to create a double bar graph. Give an example.
Two groups
Boys/girls, students/teachers, 5th grade/4th grade
What does mode mean?
The number that appears most often.
Write an expression for the words.
Divide 9 by 2 and then add 5.
9/2+5
What operation should be done first
3 x 8 - 6 / 2
Multiplication
(3, 7)
What is this called?
Ordered pair
When would we use a line graph to display data.
To show how an amount changes over time.
Find the median
18,37,91,56,70,40
48
Write the computation in words.
8-t
Subtract t from 8.
Solve
10-4+2-1
7
(3,7)
The first coordinate 3 represents distance along which axis?
x, horizontal
Write a hypothesis for the most popular sport in the class. What kind of graph will be best to display the data.
Bar graph
Find the range
108,118,102,125,102
23
Write an expression for words.
Multiply 42 by the sum of 4 and r.
42 x (4+r)
72/(7-1)x3
36
How does the top row correspond to the bottom row of this pattern?
9,18,27,36,45
3,6,9,12,15
The top term is the bottom term times 3.
Draw a graph using this data. Don't forget labels!
Libby's saving account
Month
Jan $30
Feb $50
March $100
April $80
May $150
June $190
Answers will vary
Find the mean
12,20,3,22,74,61
32
Write the computation in words.
5 times (6+7)
Multiply the sum of 6 and 7 by 5.
Evaluate the expression
50-n/2
n=30
35
Ruvim is 4 years younger then Zoe. Mischa is half Luke's age. Write an expression for Luke's age.
z-4
Write and solve a problem about the information shown in your line graph.
Answers will vary.
Find the mean, median, mode and range.
3,7,1,9,10
Mean 6
Median 7
Mode No mode
Range 9