Last month, I worked in Andrew Eller’s amazing 4th grade classroom in Los Angeles that was beginning an exploration of … More

# Category: 4th Grade

# Differentiating Number Strings: The BandAid Problems

How do you plan a number string for a group of learners who are working on very different skills in … More

# Biking on the fractional number line . . .

The following post comes from Rafael Quintanilla, a Mathematics Instructional Coach for the Los Angeles Unified School District and a … More

# A count around for fractions

This February, I led a Number Strings Writers’ Retreat, as part of my role as staff developer at Math in … More