Angle Foundations

What does a 360° rotation represent?

• one-third of a full turn
• not a turn
• one full turn
• two full turns

What does a 270° rotation represent?

• one-third of a full turn
• two full turns
• three-quarters of a full turn
• not a turn

What does a 180° rotation represent?

• two full turns
• one-half of a full turn
• not a turn
• one-third of a full turn

What does a 90° rotation represent?

• one-quarter of a full turn
• two full turns
• not a turn
• one-third of a full turn

What does a 45° rotation represent?

• one-third of a full turn
• not a turn
• one-eighth of a full turn
• two full turns

Which description best matches the term "obtuse triangle angle"?

• the longest side of every triangle
• the answer after adding all side lengths
• a number used only for multiplication
• an angle in a triangle greater than 90°

Which description best matches the term "acute triangle angle"?

• the longest side of every triangle
• the answer after adding all side lengths
• an angle in a triangle smaller than 90°
• a number used only for multiplication

Which description best matches the term "right-angle mark"?

• the answer after adding all side lengths
• the longest side of every triangle
• a number used only for multiplication
• a small square used to show a 90° angle

Which description best matches the term "full rotation"?

• a number used only for multiplication
• the answer after adding all side lengths
• the longest side of every triangle
• a complete 360° turn

Which description best matches the term "straight angle"?

• the answer after adding all side lengths
• a number used only for multiplication
• the longest side of every triangle
• an angle of 180°

Which description best matches the term "baseline"?

• the starting line used when measuring an angle
• the longest side of every triangle
• a number used only for multiplication
• the answer after adding all side lengths

Which description best matches the term "counterclockwise turn"?

• a number used only for multiplication
• the longest side of every triangle
• a turn in the opposite direction from clock hands
• the answer after adding all side lengths

Which description best matches the term "clockwise turn"?

• a turn in the same direction as clock hands
• the longest side of every triangle
• the answer after adding all side lengths
• a number used only for multiplication

Which description best matches the term "square corner"?

• a number used only for multiplication
• another simple name for a right angle
• the longest side of every triangle
• the answer after adding all side lengths

Which description best matches the term "angle measure"?

• a number used only for multiplication
• the size of an angle written in degrees
• the answer after adding all side lengths
• the longest side of every triangle

Which description best matches the term "degree symbol"?

• a number used only for multiplication
• the small ° mark used after an angle measure
• the answer after adding all side lengths
• the longest side of every triangle

Which description best matches the term "triangle"?

• the longest side of every triangle
• a number used only for multiplication
• a polygon with 3 sides
• the answer after adding all side lengths

Which description best matches the term "right triangle"?

• the answer after adding all side lengths
• a number used only for multiplication
• the longest side of every triangle
• a triangle that has one 90° angle

Which description best matches the term "angle arms"?

• the two rays that form an angle
• the answer after adding all side lengths
• a number used only for multiplication
• the longest side of every triangle

Which description best matches the term "vertex"?

• a number used only for multiplication
• the answer after adding all side lengths
• the longest side of every triangle
• the corner point where two rays meet