ATLANTA — Students gathered around a bright blue number board in Melissa Williams ... The post The building blocks of math ...

A student in Melissa Williams’ kindergarten class at the Westminster School in Atlanta, Georgia, uses an understanding of 10 to find where 69 goes in a 100-block square ... so 197,’ are showing number ...

Here we have used counters, number blocks, a part whole model, a place value chart, a tally chart, and coins. You can also write it in different ways but they all show the same value. Here are ...

40 blocks are white and 60 blocks are yellow. There are 100 blocks altogether. Let’s go back to the number line to see how we can solve this. Here is the number 55 marked on a number line.