Changes

== Fractions ==

== Fractions ==

Start Abacus [[File:Abacus-icon.png]],  

Start Abacus [[File:Abacus-icon.png]],  

select the Fraction abacus.

select the Fraction abacus.

[[File:Functionabacus.jpg]]

[[File:Functionabacus.jpg]]

Slide one of the 1/2 beads to represent 1/2

Slide one of the 1/2 beads to represent 1/2

[[File:Abacus1of2.jpg]]

[[File:Abacus1of2.jpg]]

Another way to represent 1/2 is to slide half of another string of fraction beads, for example slide 2 of the 1/4 beads. That is (2 x 1)/4 = 2/4 = 1/2

Another way to represent 1/2 is to slide half of another string of fraction beads, for example slide 2 of the 1/4 beads. That is (2 x 1)/4 = 2/4 = 1/2

How many ways can you make 1/2, see the [[Activities/Abacus/Worksheet/Answersheet | answersheet]]

How many ways can you make 1/2, see the [[Activities/Abacus/Worksheet/Answersheet | answersheet]]

Only some of the strings of beads can be used to make 1/2. Which ones? Why? see the [[Activities/Abacus/Worksheet/Answersheet | answersheet]]

Only some of the strings of beads can be used to make 1/2. Which ones? Why? see the [[Activities/Abacus/Worksheet/Answersheet | answersheet]]