Math Final Exam

Unit 1: Ratios & Rates

100

What fraction represents 5%?

5/100

200

Convert 4 weeks to days.

28 days

1 week = 7 days

7 * 4 = 28

300

Sandra walks 13 miles in 3 hours. At what unit rate does Sandra walk?

13/3 miles per 1 hour

**Remember unit rate there HAS to be 1 on the bottom.**

400

Ms. Sullivan bought some pens at the school supply store, including 5 red pens. 25% of all the pens she bought were red. 

How many pens did Ms. Sullivan buy in all?

20

15

25

12

20

** FIRST, divide each number given by .25**

20 * .25 =5

500

What is the unit rate for the ratio 96 points / 8 games?

12 points / 1 game

DIVIDE top and bottom by the denominator (8) so you get 1 on the bottom. 

Unit 2: Number Sense

100

What multiplication expression is equal to

1/2 DIVIDED BY 4/5

1/2 * 5/4

200

What is the quotient of 3/7 DIVIDED by 4/5?

15/28

Keep the FIRST fraction, SLIP the second fraction and change the expression to MULTIPLICATION. 

300

Find the SUM of 62.41 + 3.3

62.41

+3.30

-------

ALWAYS MAKE SURE YOUR DECIMALS ARE LINED UP. 

65.71

400

Complete the multiplication problem to find the answer.

2.52

x 3.4

---------

 1008

+7560

----------

8.568

500

What is the GCF of 18 and 27? 

9

Unit 3: Signed Numbers

100

What number is the opposite of 13/5?

-13/5

200

What is the distance of -3 to 0?

3, because |-3| = 3

300

What is the magnitude (size) of 2.5?

2.5, because |2.5| = 2.5

400

Compare 4 and -2. What is the correct comparison?

|4| > |-2|    AND  4 > -2

500

In the inequality 4 > -4, what number appears farther right on a number line and why?

4 because 4 is greater than -4

Unit 4: Coordinate Plane

100

Where is the point (-1,4) located in the coordinate plane?

Plane ll (2)

200

A point has a negative x - coordinate and a negative y-coordinate. What quadrant would this ordered pair be in?

Quadrant lll (3)

300

Which points are separated by a distance of 4 units?

(5,3) & (5,1)

(2,7) & (2,2)

(1,7) & (1,3)

(3,4) & (3,1)

(1,7) & (1,3)

400

What is the distance between (-2,1) and (5,1)?

7 units

500

What is the reflection of the points (-1,-3) and (1,-3)?

The points are reflexed over the y-axis

(-1,-3) is in Q. 3

(1,-3) is in Q. 4

Unit 5: Numerical & Algebraic Expressions

100

What is the value of 8²

8 * 8 = 64

200

What math expression means "an unknown number MULTIPLIED by 105"?

X*105

X(105)

N x 105

300

What expression is equivalent to 5(x+10)?

5x+50

DISTRIBUTE 5 into BOTH terms.

400

Evaluate (35 / x) - 2 when x = 7

3

500

Use the ASSOCIATIVE property of MULTIPLICATION to rewrite (5 * 2) * 7 into an equivalent expression.

5 * (2 * 7)