[Reposted from Alexandra O Fradkin’s blog Musings of a Mathematical Mom; listed in reverse chronological order]

## Arithmetic games – is that boring?

## Playing with symmetry in kindergarten

## The joys of peas and toothpicks for all ages!

## Math enrichment – what is the value?

## 3-digit numbers are tricky! Part II

## Entertaining kindergartners with caterpillars, dots, and monsters

## 3-digit numbers are tricky!

## Games with tanks and mirror books

## Measuring everything in sight!

## Functions in Kindergarten – A favorite

## Avoid Hard Work! – A book for problem-solvers of all levels (toddler to mathematician)

## Lots of fun with Tiny Polka Dot

## Conservation of fingers and toes

## Dots in a Square from Math Without Words

## Double perfect squares

## Four colors or more?

## The Piaget Phenomenon

## Time, symmetry, and unexpected turns

## Why not count on our fingers?

## Fibonacci Trees

## Numbers on a Line