Vocabulary
Expressions
Equations
Spiral Review
Potpourri
100
What is the difference between an expression and an equation?
30 sec
An equation has an equals sign; an expression does not
100
Write an expression that shows 10 x’s plus 9
1 min
10x + 9
100
a/7 = 4
1 min
a = 28
100
-35 ÷ 7 = ?
1 min
-5
100
What is your teacher's first name?
30 sec
Brittany Rieg
Emily Goldstein
Susan Lyons
200
What vocab word do we use for “5” in the following expression:
3x2 + 5
30 sec
constant
200
Write an expression that shows 3 groups of an unknown minus 4.5
1 min
3(x - 4.5)
200
e + 10 = -40
1 min
e = -50
200
Which of these graphs is proportional?
1 min
Graph C
200
How do you say/write “a number” in French?
30 sec
un nombre
OR
un numéro
300
What vocab word do we use for “3” in the following expression:
3x2 + 5
30 sec
coefficient
300
Poppy read for some number of minutes on Monday. On Tuesday, she read half as much as she did on Monday.
Write an expression that represents how many minutes Poppy read for.
1 min
Possible answers:
x + 0.5x
x + 1/2x
1.5x
3/2x
300
½h =17
1 min
h = 34
300
-8 - (-2.4) = ?
1 min
-5.6
300
Name at least one bus line that runs up and down 14th Street between downtown and Takoma
30 sec
52, 54, or 59
400
What vocab word do we use for “2” in the following expression:
3x2 + 5
30 sec
exponent
400
A cable TV company charges a monthly fee for cable service, but for the first month, they give you a $10 discount.
Write an expression to show the total cost for the first 3 months.
1 min
3x - 10
400
9c + 2 = 29
2 min
c = 3
400
What is the constant of proportionality in this table?
1 min
1/2
400
How many wards are in Washington, D.C.?
30 sec
8 wards
500
How many terms are in this expression?
-1539xy - 10xaz + 5x2 + 1005y - 57z + 39
1 min
6 terms
500
A school building has two floors with five classrooms on each floor. In each of the five classrooms, there are 20 desks. Later, some desks are added to each room.
Write two different expressions that represent the total number of desks.
2 min
Possible answers:
2 * 5(20 + x)
2 * 100 + 5x
10(20 + x)
200 + 10x
500
(F - 32) / 1.8 = 16
2 min
F = 60.8
500
19 - (8 ● -5) + -9.5 - (-8.3)
2 min
57.8
500
What year did DCI open?
30 sec
2014