How well do you remember the words from the unit. Work in pairs and do the quiz

1. The diameter of a circle is twice the ….?

a) circumference b) radius

2. How many corners does a (square based) pyramid have?

a) four b) five

3. How many faces does a cone have?

a) two b) three

4. How many vertices does a quadrilateral have?

a) six b) four

5. How many angles does a pentagon have?

a) four b) five

6. Does a sphere have a diameter?

a) Yes b) No

7. How many edges does a cylinder have?

a) one b) two

8. Choose all words that describe this shape.

quadrilateral polygon rectangle parallelogram trapezoid

9. Choose the word below to complete these sentences.

always; sometimes; never

a. A square is ____________ a quadrilateral.

b. A parallelogram is ___________ a rhombus.

10. Write down the name for each polygon.

1	2	3
4	5	6
7	8

PROBLEM-SOLVING