The Number System Practice Quiz

Jim has two wooden boards. One board is 15 1/2 feet long and the other is 7 3/4 feet long. He is using these boards to make shelves that are 2 3/4 feet long. What is the greatest number of shelves that Jim can make?

• 5 shelves

• 6 shelves

• 7 shelves

• 8 shelves

A large storage room has a wall length of 16 1/2 meters and a height of 3 5/8 meters. The boss wants to stack as many crates along the wall with either edge A or edge B resting on the floor. The side or face with the circle will be facing the wall. What is the greatest number of crates that can be stacked along the wall?

• 8 crates

• 9 crates

• 10 crates

• 11 crates

A group of students are doing an experiment in science class. The students believe they need 4.250 grams of a chemical. But, one of the group members realizes they really need 1.875 more grams of the chemical to complete the experiment properly. How much of the chemical will they be using in the experiment?

• 2.300 grams

• 2.375 grams

• 5.125 grams

• 6.125 grams

A property owner is having a fence installed. The fence will be 285 feet long. The owner will begin and end the fence with a support post and will include another support post every 7.5 feet between the beginning and end. How much will the owner pay for just the posts, if each costs $9.50?

• $225.00

• $232.50

• $361.00

• $370.50

What is the greatest common factor for 16 and 96?

• 8

• 16

• 96

• 1,536

A road crew is working along an interstate highway collecting and bagging trash and recyclables. Bags of trash are left along the highway for pickup every 8 miles and bags of recyclables are left along the highway every 12 miles. If the road crew started at 40 miles past the beginning of the highway, at what mile location past the beginning of the highway will one first see both bags of trash and recyclables?

• 24

• 60

• 64

• 120

Apply the distributive property to factor this expression:

95 – 57.

• 3(35 – 19)

• 5(19 – 57)

• 19(5 – 3)

• 19(5 – 57)

Jackie has been asked to apply the distributive property to the sum of these two numbers written on the board:

54 + 84

Which expression should Jackie write down?

• 138(1)

• 3(18 + 28)

• 6(9 + 14)

• (6 × 9) + (6 × 14)

Which answer is not considered a debit?

• Jamal uses a gift card to buy snacks at the grocery store.

• John uses his gift card to pay for the pasta meal at a restaurant.

• Deesha returns a jacket to a store that she had bought with a gift card.

• Fiona pays for her friend’s beverage at a coffee shop with her gift card.

If the base line is zero, which statement is true?

• The crest of the wave is a negative measurement.

• The trough of the wave is a positive measurement.

• The trough of the wave is a negative measurement.

• The baseline is a negative measurement.