Build multiplication fluency through strategy, not memorization! This Multiplication Derived Facts: 4s Strategy Set helps students master their ×4 facts using two powerful reasoning strategies — Double the Doubles and Multiply by 5, then subtract a group. Students connect new facts to ones they already know, developing deep number sense and flexible thinking. Perfect for whole-group fluency routines, small-group instruction, or individual intervention practice. What’s Included: 2 Assessment