Math Review #1

Convert each whole into an equivalent fraction that can be added to the given fraction: 1 + 15/33

• 33/33 + 15/33

• 15/15 + 15/33

• 1/1 + 15/33

• 30/30 + 15/33

Write the multiplicative inverse of -1/33.

• -33

• 33

• 1/33

• -1/33

Convert the improper fraction 23/3 to a decimal and a mixed number.

• 7.67 and 7 2/3

• 8.33 and 8 1/3

• 7.33 and 7 1/3

• 8.67 and 8 2/3

Simplify the expression using the distributive property: -(-2r - 18)

• 2r + 18

• -2r + 18

• 2r - 18

• -2r - 18

Every single triangle is 180 degrees on the inside. Use this information to find the missing angle if two angles are 60 and 70 degrees.

• 50 degrees

• 60 degrees

• 70 degrees

• 80 degrees

What is the measure of the missing angle in triangle A if the other two angles are 52 degrees and 56 degrees?

• 72 degrees

• 62 degrees

• 72 degrees

• 72 degrees

What is the measure of the missing angle in triangle B if one angle is 90 degrees and the other is 43 degrees?

• 47 degrees

• 37 degrees

• 47 degrees

• 47 degrees

What is the measure of the missing angle in triangle C if the other two angles are 38 degrees and 49 degrees?

• 93 degrees

• 93 degrees

• 93 degrees

• 93 degrees

Triangle WAS has an angle that measures 56 degrees and another that measures 72 degrees. What is the measure of the third angle?

• 52 degrees

• 52 degrees

• 52 degrees

• 52 degrees

A triangle has two angles that are 45 degrees each. What is the measure of the missing angle?

• 90 degrees

• 90 degrees

• 90 degrees

• 90 degrees