1. Use order of operations and the mathematical properties of numbers to simplify these numbers =
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1 Name: Date: Graded Assignment Unit 4 Assignment Answer each unit review question. When you are done, give your assignment to your teacher according to his or her directions. Each problem is worth point. Solve the following problems:. Use order of operations and the mathematical properties of numbers to simplify these numbers =. Use order of operations and the mathematical properties of numbers to simplify these numbers. 8 [(8 5) x ] =. Which property is illustrated in this problem? x (8 x 5) = ( x 8) x 5 4. Solve using the distributive property. 8(5 + 7) = = = 0 K Inc. All rights reserved. Page of 7
2 7. According to a 995 projection, there will be 9. million males and 99.9 million females in the United States in the year 050. What will be the total population of the United States in the year 050? 8. Wallpaper for a bedroom costs $8 per roll for the walls and $ per roll for the border. If the room requires 4 rolls of paper for the walls and 8 rolls for the border, find the total cost for the decorating job. 9. During a two week period, Luke worked 85.6 hours. His hourly wage is $6.9. How much did he earn? 0. This number is divisible by which number? 7, Is 5 a prime or composite number?. What is the LCM of the numbers 5 and 6?. Erin earned $5 last week for 5 hours of baby-sitting. This week she earned $40 for 8 hours of baby-sitting. What was her hourly rate in whole dollars? 0 K Inc. All rights reserved. Page of 7
3 4. Shady Grove Middle School is having an outdoor activity day. Each grade can have several teams, but the size of the team must be the same for each grade. There are 08 seventh graders and 0 eighth graders. How many students can be on each team? 5. The high school Drama Club held a car wash on Saturday. They earned $44 in the 8 hours they worked. How much money did the Drama Club average each hour? 6. Sandwiches sell for $.50 at Blake's shop. Soft drinks sell for $.00 each. If Blake served 75 people during lunch rush, and each bought a sandwich and a soft drink, how much money did Blake earn? 7. Find the equivalent fraction. 9 = 8. Reduce this fraction to lowest terms Change this improper fraction to a mixed number Solve this problem. Reduce to lowest terms. 7 + = 5 0 K Inc. All rights reserved. Page of 7
4 . Solve this problem. Reduce to lowest terms = 8. Solve this problem. Reduce to lowest terms. 6 =. Solve this problem. Reduce to lowest terms. = 8 4. Kelly called six friends and each call was phone talking to her friends? 8 minutes long. How long was Kelly on the 5. How many cupcakes are in 4 dozen cupcakes? 6. Which fraction is equivalent to 4 5? K Inc. All rights reserved. Page 4 of 7
5 7. Find the unit rate of 400 words per 0 minutes. 8. The Downtown Market sells napkins at $.9 for 00 and cups at $.75 per 50. At Super Save, the same napkins cost $.49 for 00, and cups are $.89 for 5. Which store has the better buy for napkins? 9. Sam's car traveled 0 miles on 9 gallons of gasoline. Which fraction expresses the ratio of miles to gallons? A 4. ounce tomato has about 4 calories. How many calories are in one ounce? Round your answer to the nearest tenth.. The Student Council sold slices of pizza at lunch. A large pizza has 8 pieces. If the pizza costs $9.6 with tax, how much did each piece cost the Student Council? 0 K Inc. All rights reserved. Page 5 of 7
6 . What term defines the number of possible outcomes? ratio sample outcome probability. All eleven letters in the word GRASSHOPPER are put in a box. What is the probability of drawing an R from the box? of 9 of of 4. If a quarter is tossed in the air, what is the probability it will land on tails? 4 5. The weather report predicts a 75% chance of rain. How would this probability be written in fraction form? 4 0 K Inc. All rights reserved. Page 6 of 7
7 6. % of 50 is what number? 7. Austin had a batting average of.44. How would this number be written as a percent? 8. If 64 increased by 5%, what number is the result? 9. Music City is having a sale on compact discs. The regular price of $4.00 is decreased by 0%. What is the sale price? 40. Kaitlin bought $4.40 worth of compact discs. The sales tax is 6.5%. What was the total cost rounded to the nearest cent? Your of 40 0 K Inc. All rights reserved. Page 7 of 7
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4 Percentages Chapter notes
4 Percentages Chapter notes GCSE Specification concepts and skills Find a percentage of a quantity (N o): 4. Use percentages to solve problems (N m): 4., 4.2, 4., 4.4 Use percentages in real-life situations:
10% is 8, and 1% is 0.8. ACTIVITY: Finding 10% of a Number. a. How did Newton know that 10% of 80 is 8? = 10 =
5.6 Solving Percent Problems percent of a number? How can you use mental math to find the I have a secret way for finding 2% of 80. 0% is 8, and % is 0.8. So, 2% is 8 + 8 + 0.8 = 6.8. ACTIVITY: Finding
6th Grade Mathematics. STAAR Study Guide. This Study Guide belongs to:
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Chapter Review Problems
Chapter Review Problems Unit 4.1 Percent conversions Convert these decimals to percents. 1..079 =.079 = 7.9% 2. 1.35 = 1.35 = 135% Convert these percents to decimals. 3. 52.1% = 52.1% =.521 4. 8.3% = 08.3%