UC San Diego Mathematics Project
Teaching Rational Numbers Professional Development Programs
Teaching Fractions Through Ratio Reasoning in Grades 3-6
No Prerequisites Needed (TFTRR2026.eventbrite.com)
Jan 24, 2026; Feb 7, 2026; Feb 21, 2026 – Zoom (8:00 – 11:00 am)
Description: Moving from multiplication and division with whole numbers to rational numbers is a challenge for many students. Join us to deepen your own understanding of rational numbers and learn research-based and classroom-tested strategies that use ratio reasoning to build a cohesive learning opportunity for all of your students. This is a two-part series, but you can join in any order:
Part A: Order, compare, add, and subtract fractions
Part B: Multiplying and dividing fractions
Cost: $150 per individual ($110 if registered by Sept. 30, 2025); $125 per person for a team of 3 or more
Book Cost: ($40) Extending Children’s Mathematics: Fractions and Decimals by Susan Empson and Linda Levi can be purchased through the Eventbrite link.
Registration deadline: December 17, 2025
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