Week 6 Homework - Numbers and Operations

What is the greatest common factor of 30, 45 and 60?

What's the least common multiple of 6, 9 and 36?

Seth wants to buy a new skateboard that costs $167. He has $72.75 in the bank. If he earns $7.25 an hour pulling weeds, how many hours will Seth have to work to earn the rest of the money needed to buy the skateboard?

• 10

• 13

• 20

• 23

Andre's mom is putting candy in a bag for Halloween. She has 75 skittles, 30 snickers and 90 lollipops. All the bags must have the same number of each, what is the largest number of bags she can make?

WITHOUT using a calculator and just estimating, which quotient makes sense?

1.7 x 5.61

• 1.78

• 17.8

• 178

• 1780

Three roommates are moving to a new apartment together. harold brought 64.9 pounds of clothes, Mila brought 5.63 pounds of clothes and Jamie brought 34.81 pounds of clothes. How many pounds of clothes did they bring altogether?

• 156.01 pounds

• 105.34 pounds

• 46.93 pounds

• 106 pounds

Select the list of numbers that are ALL multiples of 9.

• 9,27,35,63

• 9,48,81,90

• 18,36,45,64

• 18,54,72,99

Which of the following expressions is NOT equivalent to 8 + 16?

• 8 (1+8)

• 2(4+8)

• 4(2+4)

• 4(2) + 4(4)

Which of the following answer choices contains a correct statement?

• 3(4+5) = 34 + 35

• 3(4+5) = 12 + 5

• 3(4+5) = 12 + 15

• 3(4+5) = 3(4) + 5(4)

Which statement is true?

• The GCF of 10 and 14 is 5

• The GCF of 10 and 15 is 5

• The GCF of 13 and 21 is 3

• The GCF of 14 and 21 is 3