TEACH YOUR CHILD TO READ - Maths help: Conversion chart for fractions, percentages and decimals. numerator denominator Super Effective Program Teaches Children Of All Ages To Read.
I love this Geometric Shapes chart shared by Kathryn on Kindergarten Kindergarten! I had to scroll down to find it, but found a ton of great ideas along the way. I also loved her shape museum. (She has lots of free ideas for teaching math concepts.
This is a great activity for young children to help them learn number sense. :) Pick one box to discuss each day at first; mental math has such a better impact on number sense success.