A flashlight requires 2 batteries to function. How many batteries in all would 7 such flashlights require?

• 14 batteries

• 16 batteries

• 18 batteries

• 20 batteries

Answer explanation

The question asks about the total number of batteries required for 7 flashlights. Since each flashlight needs 2 batteries to function, we can find the total by multiplying 7 (the number of flashlights) by 2 (the number of batteries per flashlight). This gives us 14, which matches the correct answer, '14 batteries'.

Tags

CCSS.2.OA.C.4

A CD contains 4 music tracks. How many music tracks would 8 such CDs contain?

• 24 music tracks

• 28 music tracks

• 32 music tracks

• 36 music tracks

Answer explanation

The question asks how many music tracks would be present in 8 CDs if each CD contains 4 tracks. To obtain the answer, we simply multiply the number of CDs (8) by the number of tracks in each CD (4). This gives us 32 music tracks, which is the correct answer.

Tags

CCSS.3.OA.A.3

A rectangle is 5 inches long and 4 inches wide. Find the area of the rectangle. (Area of a rectangle = length*width)

• 10 square inches

• 15 square inches

• 20 square inches

• 25 square inches

Answer explanation

The area of a rectangle can be calculated using the formula: length*width. According to the question, the given rectangle is 5 inches long and 4 inches wide. So, the area of the rectangle would be 5*4 = 20 square inches. Therefore, the answer is 20 square inches.

Tags

CCSS.7.EE.B.3

Norah uses an ounce of butter to bake 9 cookies. How many cookies can she bake with 8 ounces of butter?

• 64 cookies

• 72 cookies

• 80 cookies

• 88 cookies

Answer explanation

Norah can bake 9 cookies with one ounce of butter. Therefore, for 8 ounces of butter, she can bake 8 times as many cookies. Since 9 cookies multiplied by 8 equals 72, the answer is 72 cookies.

Tags

CCSS.6.RP.A.3B

A small-time tour operator owns a fleet of 8 cars of the same make. Each car is filled with 2 liters of engine oil. How many liters in all have been filled in the cars?

• 12 liters

• 14 liters

• 16 liters

• 18 liters

Answer explanation

The question tells us that there are 8 cars each filled with 2 liters of engine oil. So, to find the total amount of engine oil filled in all cars, we multiply the number of cars by the amount of engine oil per car. This gives us 8 cars * 2 liters/car = 16 liters. Hence, the correct answer is 16 liters.

Tags

CCSS.3.OA.A.3

A bicycle has 2 wheels. How many wheels in total would 5 bicycles have?

• 8 wheels

• 10 wheels

• 12 wheels

• 14 wheels

Answer explanation

The question asks how many wheels in total would 5 bicycles have. As one bicycle has 2 wheels, five bicycles would have 10 wheels in total. So, the correct answer is '10 wheels'.

Tags

CCSS.2.OA.C.4

A baker uses 3 eggs to make a cake. How many eggs in all would be required to bake 4 cakes?

• 10 eggs

• 12 eggs

• 14 eggs

• 16 eggs

Answer explanation

The question asks about the total number of eggs needed to bake 4 cakes. Given that it takes 3 eggs to bake one cake, we need to multiply 3 by 4 to find the total number of eggs. Hence, the correct answer is 12 eggs.

Tags

CCSS.3.OA.A.3

A farmer has 5 apple trees. Each tree produces 10 apples. How many apples in total does the farmer have?

• 20 apples

• 30 apples

• 50 apples

• 60 apples

Answer explanation

The question asks about the total number of apples the farmer has. As per the question, the farmer has 5 apple trees and each tree produces 10 apples. So, multiplying the number of trees by the apples each tree produces, we get 5*10 which is 50. Therefore, the correct answer is 50 apples.

Tags

CCSS.3.OA.A.3

A car has 4 wheels. How many wheels in total would 7 cars have?

• 24 wheels

• 28 wheels

• 32 wheels

• 36 wheels

Answer explanation

The question states that a car has 4 wheels. So, to find out the total wheels for 7 cars, we need to multiply the number of wheels of one car (4) by the number of cars (7). The result of 4*7 is 28. Therefore, the correct answer is 28 wheels.

Tags

CCSS.3.OA.A.3

A car requires 4 tires to function. How many tires in all would 6 such cars require?

• 20 tires

• 24 tires

• 28 tires

• 32 tires

Answer explanation

The question asks for the total number of tires needed for 6 cars. Since each car requires 4 tires to function, we multiply 6 (the number of cars) by 4 (the number of tires per car). This gives us 24 tires, which is the correct answer.

Tags

CCSS.3.OA.A.3