1.For each of the solids shown:

a. How many edges does each solid have?
b. How many faces does each solid have?
c. How many vertices does each solid have?

(i)
(ii)
(iii)
(iv)
Y7_Solid_Objects_ex_01.gif
Y7_Solid_Objects_ex_02.gif
Y7_Solid_Objects_ex_03.gif
Y7_Solid_Objects_ex_04.gif

2. Choose which of the following solids {cuboid, sphere, cylinder, triangular prism, cone} would best describe the following everyday objects:

a. A soccer ball
b. A can of coke
c. A shoe box
d. A plastic marker used to indicate road works
e. A small tent

3. Try this activity on the names of solids:

 

4. ABCDEFGH is a cuboid.

Match up the following:

  Y7_Solid_Objects_ex_05.gif

a. A face

b. A vertex

c. An edge

d. A diagonal

(i) BC

(ii) point C

(iii) ADGE

(iv) EC