Unit 5 Study Guide

If the 7 in 817,205 is moved two places to the left, how does the value of the 7 change?

• The 7 is 10 times its original value.

• The 7 is 1/100 of its original value.

• The 7. has the same value

• The 7 is 100 times its original value.

Jackson used this cube to represent 1 whole. Jackson’s friend Lara removed 0.127 from Jackson’s number. What number represents Jackson’s number after Lara removed 0.127?

• 0.873

• 0.116

• 0.370

• 1.127

Janie, Paige and Alexis worked together babysitting to earn money over the summer. They earned a total of $166.75. They used $52 of the money they earned to buy pizza, ice cream and chips. They shared the rest of the money equally. How much money did each girl receive? (2 steps!)

• $38.25

• $37.25

• $38.75

• $39.25

Which equation could be used to represent how the value of the digit 6 changes if it is switched with the digit 2 in 321,678?

• 60,000 x 10 = 600,000

• 6,000 x 100 = 600,000

• 600 x 100 = 60,000

• 6 x 1,000 = 6,000

Randy has 3 books in his backpack that weigh 3.49 kilograms each. Estimate the total weight of the books to the nearest half kilogram.

• 10.5 kilograms

• 11 kilograms

• 10 kilograms

• 11.5 kilograms

Carson planted a small vegetable garden that was 6.5 meters long and 2.3 meters wide. What is the area of Carson’s garden?

• 14.85 square meters

• 15.95 square meters

• 14.95 square meters

• 15.85 square meters

Leslie created the number line below. She placed a mark to show each tenth. Then she put a dot on the number line to show the location of 2.37. Which tenth mark is closest to 2.37?

• 2.2

• 2.3

• 2.4

• 2.5

Brianna carried a stack of books that weighed a total of 6 kilograms. Each of the books in the stack weighed 0.2 kilograms. How many books were in Brianna’s stack?

• 30

• 20

• 25

• 15

A vet weighed 4 newborn puppies. The puppies weighed 2.9 ounces, 3.26 ounces, 4.5 ounces and 2.87 ounces. What was the total weight of the 4 puppies together?

• 13.73 ounces

• 13.63 ounces

• 13.43 ounces

• 13.53 ounces

After winter break, a school took a survey to see how many students traveled to a different state during the break. 1,000 students responded to the survey. Only 54 students traveled to a different state. Which expression can be used to represent the number of students who traveled to a different state over the break?

• (5 x 1/10) + (4 x 1/100)

• 0.05 + 0.004

• (5 x 1/1,000) + (4 x 1/1,000)

• fifty-four hundredths