Students graduating from primary school grade 5 do not understand the concept of fractions. We are trying to help them understand and here is the software and aids we are using:

Two games from the Center for Game Science, Department of Computer Science and Engineering, University of Washington stand out from the others.

Treefrog Treasure is a free online puzzle game that teachs fractions and numberline concepts.

Refraction is a free online puzzle game requires the knowledge of fraction to split and combine laser beams to create various power levels. 

Fractions on the number line:

Place fractions on the number line: - there are lots of other fraction resources here.
Fractions on number line game:

Here are some nice online examples for simplifying fractions

Here is an online game for identifying fractions and equivalent fractions. Play the online Fraction Ball game here

Their Fraction Matching game is also good.

How do fractions relate to the number line? Show that 3/4 + 3/4 = 1 1/2 by placing fraction bars on top of a number line. I created the documents below to demonstrate this concept.

Print out the files below. Use 3M™ Super 77™ Multipurpose Spray Adhesive to glue these pages to foam core then cut them out.

I use two 2-cup volume measuring cups. Pouring 3/4 cup of water into the other measuring cup shows a total volume of 1 1/2 cups. The children like to experiment with this on their own.


Bryan Watt,
Jul 21, 2015, 7:15 PM
Bryan Watt,
Jul 21, 2015, 7:15 PM