22 October 2005 11:00
NLVM:Diffy
by knannSubtraction problems to 20. Fill in circles in middle with differences, Look for patterns. Teacher instruction initially. Click Instructions.
22 October 2005 10:45
NLVM: Interactive Number Grid
by knannThis virtual manipulative displays a grid containing numbers from 1 to 200. You can use it to explore patterns and relationships involving multiples. Great for whole class.Click Instructions.
1
(2 marks)