Math Review!
Test Friday– write these down.
Then click to the next slide.
Math Review!
Copy down each question. Show your work
and work individually. If you and your partner
disagree discuss and come to an agreement.
Then look at the next slide for the answer.
Order from least to greatest.
9.2, -7.6, 1, 4.5, -8
Order from least to greatest: Answer
-8, -7.6, 1, 4.5, 9.2
3-1 Integers
Insert Lesson Title Here
Lesson Quiz: Part 2
5. The coldest temperature ever recorded east of
the Mississippi is fifty-four degrees below zero
in Danbury, Wisconsin, on January 24, 1922.
Write the temperature as an integer.
–54
Course 2
What is the change in temperature?
-32 F to 23 F
What is the change in temperature:
Answer
55 F
Solve the following problem
-8 + (-5)
Solve the following problem: Answer
-13
Multiple Negatives Just tell if it is
positive or negative!
1)
2)
3)
4)
-Negative
-35 =
-355 = Negative
Positive
-34=
-332=
Positive
REMEMBER: An odd number of
negatives makes the number negative.
An even number of negatives makes the
number positive. (The opposite of an
opposite!)
Solve the following problem
26 + (-18)
Solve the following problem: Answer
8
Solve the following problem
Sean's bank account has $275
in it. He writes two checks. One
for $150 and one for $80. What
is Sean's ending balance?
Solve the following problem: Answer
$45
Solve the following problem
I submarine dove 360ft below
sea level. It then ascended at
8ft per minute. After 12 minutes
at what depth was the
submarine?
Ascend means to rise…recheck
your answer now before you click
Solve the following problem: Answer
-264ft
Insert Lesson Title Here
Lesson Quiz
Subtract.
1. 3 – 9
–6
2. –7 – 4 –11
3. –3 – (–5)
2
4. Evaluate x – y – z for x = –4, y = 5, and
z = 10. –19
5. On January 1, 2002, the high temperature
was 81˚F in Kona, Hawaii. The low
temperature was –29˚F in Barrow, Alaska.
What was the difference between the two
110˚F
temperatures?
Compare the following numbers Which
is greater….what are these called? < >
7/8 __ 4/5
Compare the following numbers:
Answer – they are inequalities.
7/8 > 4/5
What is the absolute value?
|-8|
What is the absolute value: Answer
8
Solve the following problem
8 (-5)
Solve the following problem: Answer
-40
Solve the following problem
-64/-8
Same as -64 divided by -8
Solve the following problem: Answer
8
3-3 Adding
Insert Lesson
Title Here
Integers
Lesson Quiz
Add.
1. –7 + (–6)
2. –15 + 24 + (–9)
3. –24 + 7 + (–3)
–13
0
–20
5. The math club’s income from a bake sale was
$217. Advertising expenses were $32. What is
the club’s total profit or loss? $185 profit
Course 2
3-5 Multiplying
Insert Lesson
HereIntegers
andTitle
Dividing
Lesson Quiz
Find each product or quotient.
1. –8 · 12
2. –3 · 5 · (–2)
3. –75 ÷ 5
4. –110 ÷ (–2)
–96
30
–15
55
5. The temperature at Bar Harbor, Maine, was
–3°F. It then dropped during the night to
be 4 times as cold. What was the temperature
then? –12˚F
Course 2
Solve the following problem
-7 - (-12)
Solve the following problem: Answer
5
Order from least to greatest
-2/3, 4/3, 2/4, -3/5, 1
Order from least to greatest: Answer
-2/3, -3/5, 2/4, 1, 4/3