Summer #3

What kind of angle is angle ABC?

• obtuse

• right

• acute

• straight

Answer explanation

Angle ABC is acute because it measures less than 90 degrees.

Which of the following is a right angle?

• 90 degrees

• 45 degrees

• 120 degrees

• 180 degrees

Answer explanation

A right angle measures 90 degrees, so the correct choice is 90 degrees.

What is the measure of a straight angle?

• 90 degrees

• 180 degrees

• 360 degrees

• 45 degrees

Answer explanation

A straight angle measures 180 degrees, forming a straight line. It is the sum of two adjacent angles that form a line.

Which angle is less than 90 degrees?

• obtuse

• right

• acute

• straight

Answer explanation

An acute angle is less than 90 degrees, making it the correct choice in this question.

What kind of angle is angle RST?

• obtuse

• acute

• right

• straight

Answer explanation

Angle RST is obtuse because it measures more than 90 degrees but less than 180 degrees.

What is the area of this figure?

• 1 inch

• 14 inches

• 7 inches

• 12 inches

Answer explanation

The correct answer is 12 inches because the area of the figure is calculated by multiplying the length and width, which in this case is 3 inches by 4 inches, resulting in an area of 12 square inches.

What is the perimeter of this figure?

• 7 inches

• 14 inches

• 12 inches

• 1 inch

Answer explanation

The perimeter of the figure is the sum of all its sides. Since each side measures 7 inches, the total perimeter is 7 + 7 = 14 inches. Therefore, the correct answer is 14 inches.

How long is the pencil to the nearest 1/2 inch?

• 4 inches

• 3 inches

• 3 1/2 inches

• 3.5 inches

Answer explanation

The pencil is measured to the nearest 1/2 inch, so if it is closer to 4 inches than 3 1/2 inches, the correct answer is 4 inches.

How long is the pencil to the nearest 1/2 inch?

• 4 1/2 inches

• 4 inches

• 3 inches

• 3 1/2 inches

Answer explanation

The correct answer is 3 1/2 inches because the pencil length is closest to this measurement when rounded to the nearest 1/2 inch.

Abigail is baking cookies and needs to measure ingredients.

1 pound = 16 ounces

1 ton = 2,000 pounds

She has 2 pounds of flour. How many ounces of flour does she have?

• 32 ounces

• 4,000 ounces

• 4,000 pounds

• 2,016 pounds

Answer explanation

To find the number of ounces, multiply the number of pounds by the conversion factor: 2 pounds * 16 ounces/pound = 32 ounces. Therefore, Abigail has 32 ounces of flour.