Order of Operations/ Prime Factorization/

Ratios/Rates/Rounding/Input-Output Tables

Review For Test #2

PEMDAS Prime Factoring Ratios/Rates Input/Output

Tables Rounding

10 10 10 10 10

20 20 20 20 20

30 30 30 30 30

40 40 40 40 40

50 50 50 50 50

Question 1 - 10

What do the letters P E M D A S stand for?

Answer 1 – 10

ParenthesesExponents

Multiply/DivideAdd/Subtract

Question 1 - 20

Solve the following PEMDAS problem.

6 x (6 - 3) + 5

Answer 1 – 20

23

Question 1 - 30

Solve the following PEMDAS problem

7 + 8 ÷ 4 + 3 - 2

Answer 1 – 30

10

Question 1 - 40

Solve the following PEMDAS Problem.

25 ÷ 5 x 2 + 1

Answer 1 – 40

11

Question 1 - 50

Solve the following PEMDAS problem.

9 X 5 – 4 + 3 x 4 =

Answer 1 – 50

53

Question 2 - 10

Write the following using exponents.

2 x 2 x 2 x 3 x 3 x 5 x 5 x 7

Answer 2 – 10

2³ x 3² x 5² x 7

Question 2 - 20

List all the factors for the number 24.

Answer 2 – 20

1, 2, 3,4, 6, 8,12, 24

Question 2 - 30

What is the prime factorization of 18?

Answer 2 – 30

2 x 3 x 3or

2 x 3²

Question 2 - 40

What number is represented by the prime factorization 5 x 2³ ?

Answer 2 – 40

40

Question 2 - 50

What number is represented by the prime factorization 7 x 3² ?

Answer 2 – 50

63

Question 3 - 10

There are 24 boxes and 12 lids. What is the ratio of lids to

boxes?

Answer 3 – 10

12 : 2412 to 2412 / 24

Question 3 - 20

There are 36 math books and 18 reading books. What is the

ratio of the total number of books to the number of math

books?

Answer 3 – 20

54 : 3654 to 3654 / 36

Question 3 - 30

Out of 22 paper clips, there are 15 that are blue. What is the ratio of paper clips that are not blue to the number of paper clips that are blue.

Answer 3 – 30

7 to 157 : 157 / 15

Question 3 - 40

Kate runs 10 miles in 5 days. At this rate, how many miles does

she run in 1 day?

Answer 3 – 40

2

Question 3 - 50

If Frank pays $36 for 4 pairs of shorts. How much is Frank paying for 1 pair of shorts?

Answer 3 – 50

$9.00

Question 4 - 10

Finish the following Input / Output Table.What is the rule?

Input Rule Output6 2

9 3

15 5

Answer 4 – 10

÷ 3

Question 4 - 20

Find the value of the missing output.

Input Rule Output2 ? 14

4 ? 28

8 ?

Answer 4 – 20

56

Question 4 - 30Given the following information, what would be

the correct equation generated from the table?

a. H + 5 b. H x 6 c. H - 10

Time (Hours - H) Work Completed (W)2 12

3 18

H ?

Answer 4 – 30

B. H x 6

Question 4 - 40The side lengths and perimeters of some regular

polygons are shown below.

Which expression can be used to find the perimeter of a similar polygon with side length s?

a. S + 2 b. s³ c. 3s

Side Lengths (s) Perimeter (Units)3 94 125 15s ?

Answer 4 – 40

3s

Question 4 - 50

If R = 8 and T = 3, what is the answer to this equation?

2R + T = ?

Answer 4 – 50

19

Question 5 - 10

Round 765 to the hundreds place.

Answer 5 – 10

800

Question 5 - 20

Round 36,780 to the thousands place.

Answer 5 – 20

37,000

Question 5 - 30

Rich spend $45.67 on three CDs and $19.95 on a video game.

How much did he spend? Round this amount to the nearest dollar.

Answer 5 – 30

$66.00

Question 5 - 40

Sam bought 36 bedding plants to put in his mother’s flowerbed and 15 shrubs. Approximately how many bedding plants did he buy?

Answer 5 – 40

40

Question 5 - 50

If there are 52 windows on the east and the west side of the Alico building and 50 windows on the north and south side of the Alico building, about how many total windows are there in the building?

Answer 5 – 50

200