Study Guide

1)15.64 ÷ 6.8 = 2.3

2)0.2975 ÷ 0.25 = 1.19

3)Find the least common multiple for 8, 24 LCM - 24

4)Find the least common multiple for 12,18,9 LCM - 36

5)Rebecca made 258.3 ounces of cookie mix. She divides the mix evenly among 25 containers for resale. How many ounces of mix does she put in each container?

10.332 ounces

Use the following picture to answer the next three questions and remember to always write the ratio in simplest form:

6)Faces to arrows 3 to 4 and 3:4 and as a fraction

7)Arrows to all shapes 4 to 10 and 4:10 and as a fraction in simple terms

8)Stars to arrows 3 to 4 and 3:4 and as a fraction

9)Find the GCF of 12, 18,3 GCF - 3

10)Find the GCF of 27, 99 GCF – 9

11) =

12)Milton has 4/5 gallon of milk. His chocolate cake recipe calls for 1/8 gallon of milk. How many chocolate cakes can he make with the milk that he has?

13)Estimate the product of 3.6 and 7. 4 X 7 = 28

14)Carmen is making cookies for a cookie-swap with her friends. She has42 chocolate chip cookies and 28 oatmeal cookies. If Carmen gives each friend an equal number of each type of cookie, what is the greatest number of friends with whom she can share her cookies? GCF - 14

15)From the above question, how many cookies will each of Carmen’s friends receive?

3 chocolate chip and 2 oatmeal

16)The marching band always lines up in even rows. What is the least number of band members needed to be able to line up in rows of 4, 5, or 10? LCM - 20

17)Andrew ran 2 miles yesterday. He ran the first mile in 6.8 minutes and the second mile in 7.2 minutes. What was the total time for both miles? 14 minutes

18)Abigail is lining up books on a shelf. The spine of each book is 3.45 centimeters wide. Each book is the same size and there are 9 books. Find the horizontal space the books will take on the shelf. 31.05 cm

19)What is value of 5.87 X 1.5? = 8.805

20)Solve 1863 23. = 81

Multiply. Write in simplest form. Problems 21-25.

21) 6 X = 4

22) X 12 = 10

23) There are 24 muffins in a bakery. If of the muffins are blueberry, how many muffins are blueberry? 9 are blueberry

24) How many feet are in 27 yards? 81 yards

25) Joanne completed 4/5 of her day’s workload by lunchtime. She divided her tasks so that each task consisted of 1/5 of her day’s workload. How many tasks did she complete by lunchtime? Use a model to justify your answer. 4

26)Gretchen has 6∕8 pound of flour. She wants to divide the flour into containers of 2∕8 pound each. How many containers will Gretchen need? Use a model to justify your answer. 3

27)Use this situation to answer the next two questions: Nina went to the grocery store to buy fruit for her lunches. She bought a 4.55 pound cantaloupe.

  1. Nina plans to use the cantaloupe evenly for 5 lunches.
  2. How much cantaloupe will she put into each lunch?

0.91 pounds

  1. Explain the steps you used to solve.
  1. Suppose that Nina decides to divide the cantaloupe into 0.75 pound portions.
  2. How many lunches can she make? Round your answer to the tenths place. 6.1 lunches
  3. Explain the steps you used to solve.