Name: __________________________________________ Period: _________ Due: September 23, 2016
Homework: Prime Time #2
1. List five Multiples of the following numbers
a. 5
b. 1
c. 4
d. 7
2. List the Common Multiples of the following numbers from 1 to 100.
a. 8 & 12
b. 20 & 25
c. 9 & 10
3. Find the Common Factors of the following numbers.
a. 18 & 30
b. 9 & 25
c. 49 & 14
4. Jack gets on a Ferris wheel that takes 30 seconds to go around. Sarah gets on
another Ferris wheel that takes 25 seconds to go around. When will they both be on
the bottom at the same time?
Name: __________________________________________ Period: _________ Due: September 23, 2016
5. Solve the problems below. Show all your work (No calculators).
a. 14562 + 389
c. 73923 + 4239
b. 40318 – 10210
d. 532 – 253
6. Lori wants the new iPhone 7. It cost $800. Lori makes $75 per week for her allowance.
How many weeks will it take her to save enough to buy her iPhone?
7. Which mathematical expression is equivalent to the number sentence below?
Subtract 15 from 45, and then divide by 3.
a. 15 – 45 ÷ 3
b. (45 – 15) ÷ 3
c. (15 – 45) ÷ 3
d. 3 ÷ (45 – 15)
Name: __________________________________________ Period: _________ Due: September 23, 2016