Mathematics Challenge

Calculate the measure of an angle that is complementary to a 45-degree angle.

• 30 degrees

• 60 degrees

• 90 degrees

• 45 degrees

Identify the line of symmetry in the shape of a heart.

• Curved

• Diagonal

• Vertical

• Horizontal

Classify the number 0.75 as a rational number.

• Yes

• Irrational

• No

• Whole

Simplify the fraction 4/6 to its lowest terms.

• 5/6

• 2/3

• 1/2

• 3/4

If angle A measures 30 degrees and angle B measures 60 degrees, what is the sum of their measures?

• 75 degrees

• 90 degrees

• 120 degrees

• 45 degrees

Determine the angle formed when the hands of a clock are at 3 and 9.

• 90 degrees

• 45 degrees

• 180 degrees

• 60 degrees

Which of the following shapes has rotational symmetry of order 2: square, triangle, or circle?

• rectangle

• triangle

• pentagon

• square

Is the number -3 a rational number?

• Maybe

• Sometimes

• No

• Yes

Add the fractions 1/3 and 2/5.

• 7/15

• 11/15

• 3/8

• 5/8

Calculate the missing angle in a triangle with angles measuring 45 degrees and 60 degrees.

• 90 degrees

• 75 degrees

• 30 degrees

• 50 degrees