Vocabulary
Triangles
Parallelograms
100

What is Area?

The total space taken up by a flat (2-D) surface or shape of an object.

100

What is the formula for finding the area of a triangle?

Area = base x height / 2 

100

What is the formula for finding the area of a parallelogram?

Area = base x height

A = bxh

200

What does the word decompose mean?

Breaking down into parts.

200

A triangle has a base of 5cm and a height of 4cm. What is its area?

10cm2

200

A parallelogram has a base of 5cm and a height of 3cm. What is its area?

15cm2

300

What is the base of a triangle?

Any side of the triangle.

300

A triangle has a base of 6cm and a height of 6cm. What is its area?

18cm2

300

A parallelogram has a base of 6cm and a height of 6cm. What is its area?

36cm2

400

Define the height of a triangle

The corresponding height is the length of a perpendicular segment from the base to the vertex opposite of it.

400

A triangle has a base of 11cm and a height of 8cm. What is its area?

44cm2

400

A parallelogram has a base of 11cm and a height of 8cm. What is its area?

88cm2

500

Define the word compose.

Putting a shape back together using its parts.

500

A triangle has a base of 12cm and a height of 10cm. What is its area?

60cm2

500

A parallelogram has a base of 12cm and a height of 10cm. What is its area?

120cm2