Review For Test #2. PEMDAS Prime Factoring Ratios/Rates Input/Output Tables Rounding 10 20 30 40 50.

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Presentation transcript:

Review For Test #2

PEMDAS Prime Factoring Ratios/Rates Input/Output Tables Rounding

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

Answer 1 – 10 Parentheses Exponents Multiply/Divide Add/Subtract

Question Solve the following PEMDAS problem. 6 x (6 - 3) + 5

Answer 1 – 20 23

Question Solve the following PEMDAS problem ÷

Answer 1 – 30 10

Question Solve the following PEMDAS Problem. 25 ÷ 5 x 2 + 1

Answer 1 – 40 11

Question Solve the following PEMDAS problem. 9 X 5 – x 4 =

Answer 1 – 50 53

Question 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 List all the factors for the number 24.

Answer 2 – 20 1, 2, 3,4, 6, 8,12, 24

Question What is the prime factorization of 18?

Answer 2 – 30 2 x 3 x 3 or 2 x 3²

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

Answer 2 – 40 40

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

Answer 2 – 50 63

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

Answer 3 – : to / 24

Question 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 – : to / 36

Question 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 15 7 : 15 7 / 15

Question Kate runs 10 miles in 5 days. At this rate, how many miles does she run in 1 day?

Answer 3 – 40 2

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

Answer 4 – 10 ÷ 3

Question Find the value of the missing output. InputRuleOutput 2?14 4?28 8?

Answer 4 – 20 56

Question Given the following information, what would be the correct equation generated from the table? a.H + 5b. H x 6c. H - 10 Time (Hours - H)Work Completed (W) H?

Answer 4 – 30 B. H x 6

Question The 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 + 2b. s³ c. 3s Side Lengths (s)Perimeter (Units) s?

Answer 4 – 40 3s

Question If R = 8 and T = 3, what is the answer to this equation? 2R + T = ?

Answer 4 – 50 19

Question Round 765 to the hundreds place.

Answer 5 –

Question Round 36,780 to the thousands place.

Answer 5 – 20 37,000

Question 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 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 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 –