This time around I've been using EngageNY's modules to supplement my own activities and it's brought up some really deep math discussions. I love the selection of fraction amounts they use in the problems that surface common misconceptions, and I love the fact it uses effective models like tape diagrams and number lines. And the best part is that it's done. Curriculum that actually fits with the way I'd teach, that has everything ready to go. What every teacher needs.
Here's a video I made recently explaining in 3 min. or less the concept of adding fractions that have a sum greater than one.
Your point about EngageNY surfacing common misconceptions really resonates — those moments when a fraction problem exposes a shaky model are where real learning happens. I especially like that you point to the tape diagrams and number lines as the effective models; they give kids a visual anchor that survives the transition to harder operations. Your 3-minute video on adding fractions with sums greater than one sounds like a great flipped-lesson piece. I run factorcalculator.org, a free site with fraction and factor tools that teachers use to double-check those fraction computation exercises.
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