Transcript Twenty Questions - Crestwood Local Schools

Twenty Questions
Subject: Pre-Algebra
Twenty Questions
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1. Use mental math to simplify the
expression.
15 + ( - 30) + 45
a.
b.
c.
d.
30
- 15
15
0
2. Name the property shown below.
54 = 1 · 54
a.
b.
c.
d.
Commutative Property of Multiplication
Identity Property of Multiplication
Associative Property of Multiplication
Associative Property of Addition
3. Simplify the expression.
12 ( n + 1 ) – 2 ( 5n + 6)
4. Solve the equation
W · ( - 2 ) = 14
5. Solve the word problem
Brian bought a used bike for $25 less than its
original price. He paid a total of $88 for the
bike. What was the original price of the bike.
(You must set up an equation!)
6. Use Distributive Property to simplify
13 · ( - 3 ) – 7 · ( - 3 )
7. Solve the inequality.
J – 7 ≤ 24
8. Write an equation for the sentence and
then tell if the sentence true, false, or an
open sentence.
A number T divided by seventeen equals
the opposite of three.
9. What is the vocabulary that matches
the definition below:
A mathematical sentence with ≤, ≥, <, >, ≠.
10. What happens when….?

What happens to the inequality sign when
you divide by a negative number to each
side?
11. What happens when….?

What happens to an inequality symbol when
you subtract a negative number to each
side?
12. Write an equation for the sentence
below, then solve the equation.
Five multiplied by Y equals two hundred and
fifteen.
13.Simplify the expression.
10y – 3y + 7y
a.
b.
c.
d.
20y
0
14y
7y
14. Solve the inequality.

( x / - 6) ≥ 5
a.
X ≤ 30
X ≥ 30
X ≥ - 30
X ≤ - 30
b.
c.
d.
15. Real World Application
At the local hotdog jamboree there were 196
people who each ate 7 hotdogs. How many
hotdogs were served?
*Hint: Write 196 = (200 – 4)
16. Name the property shown below.
234 + 567 = 567 + 234
17. What does the vocabulary word
TERM mean?
Be sure to give an example
18. Solving One-Step Inequalities
m + 7 > 14
a.
b.
c.
d.
M>7
M<7
M > 14
M< 21
19. Writing Inequalities and Describing
their Graphs.
Describe what the graph of x ≥ 3
would look like.
20. Solve the inequality.
18 < - 2x