Measures of Central Tendency: Mean, Median and Mode
Equipment
1. Using GeoBoards
Purpose: To use equipment to understand the concept of area and perimeter;
For this activity a small group of students will be working with the teacher.
Required resources:
GeoBoards
Learning and teaching notes: Pages 328-330, Perimeter, Area and Volume by
Haylock (2010)
Area activity sheet MS2036 by NZCER (1999)
References:
Haylock, D. (2010) Mathematics explained for primary teachers (4th ed.).
London: Sage.
NZCER (1999) MS2036 Area of two shapes. Retrieved from
http://arb.nzcer.org.nz/resources/maths/measurement/2000/ms2036.htm
2.
3.
4. Area of two shapes
a)
What is the area of the cross above?
(A) 16 cm2
(B) 20 cm2
(C) 24 cm2
(D) 36 cm2
(E) None of these. The area of the cross is __________ cm2.
b)
What is the area of the octagon above?
(A) 10 cm2
(B) 12 cm2
(C) 14 cm2
(D) 16 cm2
(E) None of these. The area of the octagon is _________ cm2.
5. c)
What is the area of the star above?
(A) 8 cm2
(B) 12 cm2
(C) 16 cm2
(D) 20 cm2
(E) None of these. The area of the star is _________ cm2.
