Here's a nice post on using place value cards to help students understand decomposing numbers and expanded form. Includes a link to a set of place value cards. Could change colors to go with Math-U-See.
"On the white paper (plain popcorn) I wrote numbers, on the yellow (buttered popcorn) I wrote math symbols (+ – x ). Students can then choose 2 pieces of white popcorn and 1 piece of yellow. They write the equation and answer in their books.
Place Value Paint Samples. could make this larger to add places. Going to have to get the paint chips with more colors to make bigger numbers. Would be great help for my students who still struggle with place value.
Using LEGOs to teach Math! Love this use of manipulatives! Plus, the kids will think they are playing a game.: Using LEGOs to teach Math! Love this use of manipulatives! Plus, the kids will think they are playing a game.