REVIEW OPERATIONS WITH FRACTIONS OPERATIONS WITH DECIMALS ALGEBRAIC EQUATIONS PERCENTS

Transcription

1 REVIEW OPERATIONS WITH FRACTIONS OPERATIONS WITH DECIMALS ALGEBRAIC EQUATIONS PERCENTS

2 Match each term with its correct definition. 1. One of two numbers whose product is one. Simplest form 2. A decimal number that has a block of one or more digits that repeat continuously. Terminating decimal 3. A decimal that ends or terminates. Multiplicative inverse or reciprocal 4. A fraction in which 1 is the only number that can divide evenly into the numerator and the denominator Repeating decimal

3 Choose the equivalent form of each number from the box = = = = = = 3 8

4 Use order of operations to solve the following questions x = 12. ( ) 2 = 13. ( ) x 1 4 = ( ) x 2 = Write the reciprocal of the following numbers

5 Evaluate using Orders of Operation x 0.63 = 18. $ $17.25= 19. $ = 20. $ $ 1.05 = x 3 - $ = 22. ( ) x 0.8 = =

6 Word Problems 24.Jesse s building made out of blocks was 3 2 inches tall. She added a large 25 antenna on top that was 2 1 inches. What was the total height of the building 5 including the antenna? (* answer in decimal form) 25.If Annie has $8.04 and buys a magazine for $5.05, write and solve an expression to show how much money does she have left? 26. George is using a map to show the distance between various locations in his neighborhood. The actual distance between his house and school is 6.5 units away. If the distance on the map is of the actual distance, how far is the distance on the map? 27. ITunes charges for each song or album you download. It costs $1.09 per song or $10.09 for each album. How much does it cost to download albums? (Round to the nearest cent) 28. Based on the rates that ITunes charge would be it cheaper to download 2.5 albums or 25 songs?

7 Word Problems continued 29. Tracey made a rectangular border for her Christmas board. She used 4.5 pieces of ribbon that were each 7.05 inches. How much ribbon did Tracey use in all to make the border? 30. Frankie shovels driveways when it snows. He earned $68.28 working for 5.4 hours. How much did he earn per hour? (round to the nearest cent) 31. Mikey bought 1 book for $19.95 and two other books for $6.98 each. What is the total amount of money that Mikey spent on all the books? 32. Sam found out he can buy 3 games at Walmart for the same price you can buy 4 games at Target. If one game costs $10.23 at Target, how much does one game cost at Walmart? 33. Johnny is racing Derek in a race. They are tied currently with two laps left. Johnny runs his next two laps in 6.02 minutes and 5.7 minutes. Derek runs his next two in a total of 12.6 minutes. Who wins the race?

8 PERCENT REVIEW QUESTIONS 34. True or False. When solving a proportion we can sometimes reduce one of our fractions before solving for our unknown. 35. In a carton, 3 out of 10 glasses are cracked. What percent of glasses are not cracked? 36. Ava went to a restaurant for dinner and left an 18% tip for her server. What is this percent written as a decimal? 37. In a recent poll, only 8% of the people surveyed were against a new law making it mandatory to recycle. If 75 people were surveyed. How many people were against this law? 38. Madeline is saving money to buy a sweater that costs $45. If she has saved 15% of the money she needs, how much more does she have to save? 39. Express 0.2 as a percent. 40. In a survey about the quality of food, 26% rated it EXCELLENT, 38% of it rated it GOOD, 21% rated it FAIR and 15% rated it POOR. What fraction (in simplest form) of the people gave it an EXCELLENT rating?

9 PERCENT REVIEW QUESTIONS 41. A plane is flying from Albuquerque, New Mexico to Austin Texas. So far, it has flown 161 miles or 23% of the total distance of the flight. How far is the complete flight from New Mexico to Texas? 42. Jeremy purchased 120 rock and rap songs last year. 45% of the songs were rap songs, how many were rock songs? A. 45 B. 54 C.66 D is 15% of what number? A. 24 B. 60 C. 85 D is 70 % of what number? A. 84 B. 56 C. 20 D What is 35% of $2,500? 46. Write 450% as a fraction in simplest form.

10 Percent Review Questions 47. $45 is 60% of what number? 48. Out of the 53 students in sixth grade. If there were 6 students were absent, what percent of students are present? (Round to a whole percent) 49. You are saving to buy a TV for your room that costs $249. If you have already saved 25% of what you need, how much did you save? 50. You are selling lemonade for extra cash and have made 120% of what you have spent on supplies. If you spent $35.25 on supplies. How much have you made?