Presentation from Twilight

1. Fractions, decimals and
percentages 6.11.2014

2. What does the National
Curriculum say?

4. Visualisation in Mathematics- FDP

5. 1
3
2
4
1
3 6
10
15 21
A B
C
D
E
A memorable picture?

6. Fractions, Decimals and Percentage
• In small groups come up with a statement
defining visualisation in simple terms

7. A Powerful Force
‘Imagery is a powerful force for perception and
understanding. Being able to “see” something mentally is
a common metaphor for understanding it. An image may
be of some geometrical shape, or of a graph or diagram,
or it may be some set of symbols or some procedure.’
Open University
What’s your current practise?

8. Activity

9. Answers
 Numbers –
Eight, five, four, nine, one, seven, six, ten, three, two
 Months –
April, August, December, February, January, July, June, March, May, November,
October, September

10. Using a counting stick to Visualise…
 https://www.ncetm.org.uk/resources/43609

11. Fractions of shapes challenges . . .

13. The Two-Jars Puzzle
Given a 5-litre and a
3-litre jar and an unlimited
supply of water, how
do you measure out 4 litres
exactly?

14. Building a picture of equivalence
1 2 3
4
2/4, 1/4, 3/1 . . . .. ………

16. Introducing decimals
through
Gattegeno charts. . .
http://www.numbergym.co.uk/hosting/NGS/NG_GatChartExpl.html
Number lines
http://www.taw.org.uk/lic/itp/dec_num_line.html

17. Introducing percentages. . .

18. Would you rather…
½ of £750
10% of £3000
1/8 of £800
3/10 of £2700

19. http://uk.pinterest.com/cece09/fractions-decimals-percents/

21. Resources
http://uk.pinterest.com/cece09/fractions-decimals-percents/
NNS Shape and Space booklet
•Beam – ‘Eyes closed’
•Nunes (2006) Fractions: Difficult but crucial in
mathematics learning
•Anita Straker – ‘Talking Points in Mathematics’
•Maths Trails - Visualisation
•Talk for maths – mind’s eye
•Open University – Learning Space – ‘Using
Visualisation in Mathematics Teaching’