1. Algebraic fractions
[ A2.1 Core Plenary]
Choose two algebraic fractions – try to be adventurous!
How would you
(i) add and
(ii) subtract your two fractions?
Think how you could explain what you did to someone else.
Share and compare your work with a partner.
Preamble
Suitable for pairs or individuals, scope for display work. Children should be encouraged to share and compare their explanations with others.
Possible content
Adding and subtracting algebraic fractions.
Resources
None
Solution/Notes
Children’s own work. Some examples might be simple addition or subtraction:
2a + a = 3a
More adventurous examples might be where they have to change the denominator:
2a + 3a = 6a + 3a = 9a which could be simplified to 3a
Original Material © Cambridge University Press 2010
Original Material © Cambridge University Press 2010