Diving into Factors and Multiples

 

These tasks will help you gain more of a 'feel' for number and deepen your understanding of number properties, especially factors and multiples.

The last day for sending in solutions is Monday 17 May.

Tables Teaser live

Age 5 to 7
Challenge Level
How will you work out which numbers have been used to create this multiplication square?

Largest Even live

Age 5 to 7
Challenge Level
How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?

Light the Lights 

Age 5 to 7
Challenge Level
Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?

Dicey Array live

Age 5 to 11
Challenge Level
Watch the video of this game being played. Can you work out the rules? Which dice totals are good to get, and why?

Light the Lights Again live

Age 7 to 11
Challenge Level
Each light in this interactivity turns on according to a rule. What happens when you enter different numbers? Can you find the smallest number that lights up all four lights?

Dozens live

Age 7 to 14
Challenge Level
Can you select the missing digit(s) to find the largest multiple?