Year 6 Geometry

Terms

100

What is the term for two angles which add up to 180^o

Straight Angle

200

How much do all right angle degrees measure to be?

90^o

300

Which angle is measured to any degrees less than 90^o?

Acute

400

The angle that measures to be greater than 90^o and less than 180^o

Obtuse

500

Right angles are the only angles given a small square. (TRUE or FALSE)

TRUE

Triangles

100

How many sides do triangles have?

3 sides

200

Some triangles have right angles. (TRUE or FALSE)

TRUE

300

The interior degrees of a triangle will always measure to be ______.

180^o

400

An equilateral triangle (triangle with even sides) has 3 angles of how many degrees?

60^o

500

Triangles have 3 __________ (the word used for points in an angle, use the plural term)

Vertices

Quadrilaterals

100

Rectangles have three sets of parallel lines. (TRUE or FALSE)

FALSE

200

What does the latin root "quad" mean?

4

300

The sum of the inside angles of a quadrilateral is?

360^o

400

Which two quadrilaterals have 4 equal sides?

Square and rhombus

500

Which quadrilateral has two obtuse angles and two acute angle?

Trapezoid 

Lines

100

A line that is at a right angle to another line is called a _____________ line.

Perpendicular

200

Where 2 straight lines meet is a called a ______.

Vertex.

300

Polygons are shapes that only have straights lines. (TRUE or FALSE)

True.

400

Two lines that will never meet is called _______ lines.

Parallel

500

Shapes that are the same shape and size is considered to be _______.

Congruent.