Fluency Voyage: Friends of 10 Multisensory Practice for Building Number SenseThis workbook helps students master Friends of 10—the foundation for mental math and fact fluency. Through manipulatives, games, guided activities, and visual models, learners build deep understanding of number pairs that make 10, along with the inverse relationship between addition and subtraction. Why it’s important: Automatic recall of facts within 10 supports flexible thinking, smoother transitions to place value