CCGPS Unit 1 Study Guide
1. Find the greatest common factor of 16 and 12. (GCF)
2. Joan has 84 Cookies. She wants to pack the same number of cookies in each bag. She can choose a bag that holds 2, 3, 4, or 9 cookies. Which type of bag cannot be used so that there are no cookies left over? (Hint: which number is not a factor of 84)
3. John has 8 trucks and 28 cars. He wants to group them so that there are the same number of cars and trucks in each group. What is the greatest number of groups that John can have?
4. Find the least common multiple of 45 and 15. (LCM)
5. On television, two shows both begin at 2 o’clock. The first show is then shown every 2 hours. The second show is then shown every 3 hours. At what time will both movies start together again?
6. Please calculate 11.08 + 6.3=
7. James ordered a DS game for $31.46. The shipping was $3.75. What was the total for his game?
8. Calculate 22.05 + 92.076=
9. Mrs. Elkins has $326.88 in her bank account. She deposits $226.60. What is her new balance? (Hint: puts money in the bank)
10. Calculate 26.7 – 4.3 =
11. Calculate 40.4 - 22 =
12. Sue wants to buy a scooter for $289.95. She has saved $154.49. How much more does she need to buy the scooter?
13. Joe wants to buy a new pair of shoes. The shoes cost $58.28. Joe has $25.86. How much more money does Joe need to buy the shoes?
14. Calculate: 4.28 X 5.6=
15. Calculate: 8.76 X 2.6=
16. Sally bought four movies for $13.85 each. How much did she spend altogether?
17. Ms. Jones filled up her truck with 12 gallons of gasoline which cost $3.29 per gallon. How much did she spend on gas?
18. Calculate: 35.85 ÷ 5=
19. Calculate: 8.6 ÷ 0.2=
20. You have $25.50. Candy bars cost $1.50 each. How many candy bars can you buy?
21. If you had a roll of ribbon 35 meters long, how many 1.4 meter streamers can be cut from it?
22. Calculate: 1410 ÷ 6=
23. Calculate: ÷ 2
24. May has 18 inches of yarn to make bracelets. Each bracelet requires 3 inches of yarn. How many bracelets can she make?
Constructed Response
25. John listed the multiples of 6. His answer is shown below :
1, 2, 3, 6
A: Is john correct? Explain your reasoning?
B: If John is incorrect, what is the correct answer?
C: Find the GCF of 6 & 12 (show your work)
D: Find the LCM of 6 & 12 (show your work)