Over at Curriculum Matters, my colleague Sean Cavanagh writes about an online site featuring virtual manipulatives for math and science classes. David Wetzel offers a variety of interactive math ...

ENID, Okla. — Take 25 pennies. Now take out six and put them to the side. How many are left? Put three back. How many do you have now? Now put them all together and divide them into five equal piles.

Teachers often use manipulatives—boxes, shapes, figures and games—which students can handle during in-class activities to explain math and science concepts. A colleague of mine forwarded me a link to ...

If you walk into almost any elementary/primary school mathematics classroom, you should find kids using “Manipulatives.” These are physical objects—like Base 10 Blocks, Cuisenaire Rods, or ...