7th Grade Second Nine Weeks Review #9 Day 1 Number Operations Which value of m makes this a true mathematical statement: m + 3 + m = 3? Algebra Based on the graph, how much would the customer pay if the cost is $10? Geometry & Measurement Can a triangle be constructed with the following length sides: 2in., 3in., and 5in. Explain your answer. Data, Statistics & Probability What can Angelo do to the bar graph of the bowling scores to make his score look much better than the other bowlers’ scores? Potpourri There are 30 students in Mrs. Jones’ class. Twenty percent of the students received an A on the last math test. How many students received an A? Mental Math: 1. What is one-third of 25? 2. The lcd of 6 and 8 is ____. 3. The cube root of 8 is ____. Answers: 1. 8 1/3 2. 24 3. 2 Answers: Number operations: 0 Algebra: $25 Geometry/Measurement: no, the two shorter sides must be greater than the longest side Data/Statistics/Probability: make the scale from 74 to 96 Potpourri: 6

7th Grade Second Nine Weeks Review #9 Day 2 Number Operations What is the product of -3 and -9? Algebra Based on the graph, if the customer paid $25, how much was the cost price? Geometry & Measurement Can a triangle be constructed with the following sides: 6in., 10 in., and 3in. Explain your answer. Data, Statistics & Probability Give an example of a situation in which you think someone would intentionally try to make a graph misleading. Potpourri Mr. Davis had $99,999. His friend gave him $1.75. How much money did he have in all? Mental Math: 1. 12 is what percent of 18? 2. The lcd of 10 and 15 is ____. 3. 5 – ¾ = ? Answers: 1. 66 2/3 % 2. 30 3. 4 ¼ Answers: Number operations: 27 Algebra: $10 Geometry/Measurement: no, the sum of the two shorter sides must be longer than the third side Data/Statistics/Probability: anyone wanting an advantage Potpourri: $100,000.75

7th Grade Second Nine Weeks Review #9 Day 3 Number Operations The sum of two negative numbers will be which sign? Algebra Evaluate the following expression for x = 3, y =-2, and z = 4: Geometry & Measurement Can a triangle be constructed with the following sides: 7in., 8in., and 8in. Explain your answer. Data, Statistics & Probability Which type of graph would you use to display two sets of data that change over time? Potpourri The time is three hours earlier in California than it is in New York. If a live sports event that begins in New York at 8:00 p.m. is being shown on television and it ends when it's 7:00 p.m. in California, how long did the sport event last? Mental Math: 1. 45 is what percent of 60? 2. Change 78/9 to a mixed number. 3. Round 367.395 to the nearest hundredths. Answers: 1. 75% 2. 8 2/3 3. 376.4 Answers: Number operations: positive Algebra: -5 Geometry/Measurement: yes, the sum of two sides is greater than the third side Data/Statistics/Probability: double line graph Potpourri: 2 hours

7th Grade Second Nine Weeks Review #9 Day 4 Number Operations Ms. Jones’ class has a ratio of 1 boy: 4 girls. What would this ratio be as a fraction, decimal, and percent? Algebra Translate the following sentence in English into an algebraic equation: “A triangle has sides with lengths of x, x + 2, and x + 4 an d a perimeter of 24.” Geometry & Measurement Find the length of the edge of a cube that has a volume of 27 cubic centimeters. Data, Statistics & Probability Joan is going to make a stem-and-leaf plot of the data in the above table. What numbers will she use as the stems? Potpourri Mr. Davis has 6 pizzas. Each pizza has 6 slices. He sold half of the pizza slices. How many slices were left? Mental Math: 1. If a = 12 and b = 8, find the product of ab. 2. What is one half of one third? 3. The cube root of 1 is ____. Answers: 1. 96 2. 1/6 3. 1 Answers: Number operations: ¼, 0.25, 25% Algebra: x + x + 2 + x + 4 = 24 Geometry/Measurement: 3 cm. Data/Statistics/Probability: 1, 2, 3, 4 Potpourri: 18 slices

7th Grade Second Nine Weeks Review #9 Assessment Day 5 2. Based on the graph, if the customer paid $25, what was the cost price? 3. Which value of m makes this a true mathematical statement: m + 3 + m = 3? 4. Can a triangle be constructed with the following sides: 6in., 10 in., and 3in. Explain your answer. 5. Evaluate the following expression for x = 3, y =-2, and z = 4: 6. Which type of graph would you use to display two sets of data that change over time? 7. Ms. Jones’ class has a ratio of 1 boy: 4 girls. What would this ratio be as a fraction, decimal, and percent? 8. Find the length of the edge of a cube that has a volume of 27 cubic centimeters. 9. Mr. Davis has 6 pizzas. Each pizza has 6 slices. He sold half of the pizza slices. How many slices were left? 10.There are 30 students in Mrs. Jones’ class. Twenty percent of the students received an A on the last math test. How many students received an A? 1. What can Angelo do to the bar graph of the bowling scores to make his score look much better than the other bowlers’ scores? No mental math this day See answers from the previous days’ questions.