Dear Teachers
Please try these sites for factors and multiples

• http://www.purplemath.com/modules/lcm_gcf.htm
• http://www.math-play.com/Factors-and-Multiples-Jeopardy/Factors-and-Multiples-Jeopardy.html

Angles and polygons

Dear Teachers please use this site to explain un-known angles 
 https://www.engageny.org/sites/default/files/resource/attachments/math-g7-m6-student-materials.pdf

Dear Teachers try this link for 3-d shapes prism and pyramid 
http://www.learner.org/interactives/geometry/3d_prisms.html

Dear Teachers,
Try this link for teaching "Position and Movement" to grade 5. It will really help them to have clear concepts.
http://www.topmarks.co.uk/Flash.aspx?b=maths/grids
Hira Asim

Dear Teachers,
While exploring 'How to teach equivalent fractions?' I came across this wonderful interactive link, it can be used by various grades, just you have to take your students to resource room and use this for their clear understanding. Hope you people find it interesting.  
http://www.shodor.org/interactivate/activities/EquivFractionFinder/