Math by All Means : Going further with the 100s chart
Mathematical Thinking & Teaching Inspired by Marilyn Burns Re-Building 100s Chart In preparation for 2-3 digit addition/subtraction operations, it became evident early in the first week of school that grade 4s needed a major refresher of 0-100 numbers. The 1000s project completed in week 2 gave way for investigations into number patterns and number bonds…