This is a PowerPoint on Mathematics Lesson

1. MATH LESSON
WEEK 1

2. MEAN
(AVERAGE)
Michelle wants to determine the average of her test
scores. She has earned the following scores: 63,
75, 70, 60 and 82. What is Michelle’s testing
average?
Your answer…
2

3. Michelle wants to earn an average of, at least, 70
for all her tests. So far, she has earned the following
grades: 63, 75, 70 and 60. What is the lowest score
that Michelle can make on the next test to
guarantee an average score of 70?
Your answer…
3
MEAN
(AVERAGE)

4. Michelle is going to take 5 tests in this year’s math
class. In order to earn a test average of 70, what
must the sum of all her grades total?
Your answer…
4
MEAN
(AVERAGE)

5. Convert 4
𝟐𝟐
𝟔𝟔
to an improper fraction in its lowest term.
5
21 3
What is the
value of the
numerator?
What is the
value of the
denominator?
What is the sum of
the numerator and
denominator?
4
Which one is
bigger? By how
much?
Your answer… Your answer… Your answer… Your answer…
Mixed #’s vs. Improper Fractions

6. If 5x + 3 = -17, then x = ?
6
a. -25 b. -7 c. -4
1
3
e. 4
Solving for the variable

7. If y = -2, then 14 – 3 (y + 3) =
7
a. -1 b. 11 c. 14 d. 17 e. 29
Solving for the variable

8. If c2 +
𝟏𝟏𝟏𝟏
𝐜𝐜
= 9, then c could be which of the following?
8
a. 0 b. 1 c. 2 d. -1 e. -3
Solving for the variable

9. Brandy & Lily shared the cost of an $11.70 lunch so
that Brandy paid two times as much as Lily.
Who paid more?
9
Which answer choice shows the amount that Lily paid? Explain your answer.
a. $3.90 b. $7.80
TIMESAS
MUCH

10.  What is the reciprocal of
5
9
and
𝟐𝟐
𝟕𝟕
?
 What is the result of multiplying a number by its reciprocal?
10
 What number, when divided by its reciprocal results in
𝟐𝟐𝟐𝟐
𝟖𝟖𝟖𝟖
?
Your answer…
Your answer…
RECIPROCAL & DIVIDING FRACTIONS
Your answer…