2 nd 9-Weeks Review

Topic: Multiples & Factors Question: Find the first 5 multiples of 24. & List all of the factors of 24. Answer: Multiples: 24, 48, 72, 96, 120 Factors: 1, 2, 3, 4, 6, 8, 12, 24

Topic: Prime Factorization Question: Decompose 102 into its prime factorization. Answer: ∙ 3 ∙

Topic: Prime Factorization Question: Decompose 72 into its prime factorization using exponents. Answer: ∙

Topic: GCF & LCM Question: Find the Greatest Common Factor of 36 & 84. Answer: GCF = 3 ∙ 4 =

Topic: GCF & LCM Question: Find the Lowest Common Multiple of 24 & 18. Answer: LCM = 2 ∙ 3 ∙ 4 ∙ 3 =

Topic: Using GCF & LCM Question: If hamburger buns come in packages of 8 and hamburger patties come in packages of 12. What is the least amount of hamburgers you can make buying whole packages of buns and patties? Answer: LCM = 2 ∙ 2 ∙ 2 ∙ 3 = hamburgers

Topic: Equivalent Fractions Question: Find the equivalent fraction. 2 = 18 5 ? Answer: 2 =

Topic: Mixed Numbers & Improper Fractions Question: Change the mixed number to an improper fraction. 5 ¾ Answer: 5 ¾ = 23 4

Topic: Decimals to Fractions Question: Change the Decimal to a fraction Answer: 0.88 = 88 = 44 =

Topic: Fractions to Decimals Question: Change the fraction to a decimal. 1 9 Answer:

Topic: Decimals to Percents Question: If you have $0.61 what percent of a dollar do you have? Answer: $0.61 = 61%

Topic: Percents to Decimals Question: If you have 55% of a dollar, how much money is that? Answer: 55% = $0.55

Topic: Percents to Fractions Question: Change the percent to a fraction. 40% Answer: 40% = 40 =

Topic: Fractions to Percents Question: Change the fraction to a percent. 5 8 Answer: 5 = ? 5 ∙ 100 = 8 ∙ ? = 8 ∙ ? % = ?

Topic: Adding Fractions Question: Answer: = = 3 = =

Topic: Adding Fractions Question: Answer: =

Topic: Subtracting Fractions Question: Answer: =

Topic: Subtracting Fractions Question: Answer: = = 24

Topic: Multiplying Fractions Question: Answer: 30 = 15 =

Topic: Multiplying Fractions Question: Answer: 8 · 3 = 24 =

Topic: Dividing Fractions Question: Answer: 3 · 5 = 15 =

Topic: Dividing Fractions Question: Answer: 17 · 12 = 204 =

Topic: Solving Equations Question: Solve: ½ = ¾b Answer: 1 · 4 = 4 =

Topic: Solving Equations Question: Solve: 1 + b = 5 68 Answer: = =

Topic: Solving Equations Question: Solve: b – 7 = Answer: = = 2 67 =

Topic: Solving Equations Question: Solve: b ÷ 2 = Answer: 5 · 2 = 10 =

Topic: Ratios Question: A cake recipe calls for 2 cups sugar and 5 cups flour. If you want to reduce the recipe and only use 1 cup of sugar, how much flour do you need? Answer: 2.5 cups flour

Topic: Rates Question: Which is the better buy? 6 video games for $ video games for $33.60 Answer: Unit rate: $11.32 each Unit rate: $11.20 each 3 for $33.60 is the better buy

Topic: Proportions Question: Set up and solve using a proportion. Suzie can run 2 miles in 22 minutes. How long will it take her to run 2 ½ miles? Answer: 22 min = ?___ 22 ∙ 2.5 = 2 ∙ ? 2 mile 2.5 miles 55 = 2 ∙ ? = ? 27.5 minutes

Topic: % of a number Question: On a $55.00 dinner bill you want to leave 15% tip. What is 15% of $55.00? Answer: ? = 15% 55 ∙ 15 = 100 ∙ ? or 55 or 100% = 100 ∙ ? ∙.15 10% = 100 ∙ ? 275 5% $8.25 = ? % % of $55.00 is $8.25