Unit Test: Numbers and Operations - Grade 7 Duffin

• $323.75

• $371.25

• $615.25

• $1,511.25

Set A represents rational numbers. Set B represents integers. Which diagram shows the numbers placed in the correct sets?

• (Diagram A)

• (Diagram B)

• (Diagram C)

• (Diagram D)

What is the value of the expression 4 1/4 (−13.5)?

• 54 1/4

• 57 3/8

• −54 1/4

• −57 3/8

How many coins in Martin’s collection are from South America?

• 10 coins

• 5 coins

• 20 coins

• 15 coins

• $10.95

• $11.20

• $11.95

• $12.20

Which Venn diagram best represents the relationship among whole numbers, integers, rational numbers, and natural numbers?

• A

• B

• C

• D

Three days a week, Vanessa goes on a walk before work. On Mondays, Vanessa walks 2 3/4 miles. On Wednesdays, she walks 3 1/4 miles. On Fridays, Vanessa walks 2 1/2 miles. What is the total number of miles Vanessa will walk in three weeks?

• 25 1/2 miles

• 8 1/2 miles

• 17 miles

• 20 1/4 miles

• $30.55

• $3.20

• $12.40

• $9.45

Maddie had 4 1/4 bags of rocks left over after putting them around her fishpond. She gave them to her neighbor to use in his yard. If each bag of rocks can cover 12.5 ft², how many square feet will her neighbor be able to cover if he uses all of Maddie’s left-over bags of rocks?

• 50.25 ft²

• 48.125 ft²

• 53.125 ft²

• 45.875 ft²

Penelope needs 16 1/2 yards of fabric to make costumes for a school play. She has one piece of fabric that is 5 3/4 yards and another piece of fabric that is 4 1/2 yards. How many more yards of fabric does Penelope need to make the costumes?

• 10 1/4 yards

• 5 1/2 yards

• 4 3/4 yards

• 6 1/4 yards