Ten Break Teacher Guide
A comprehensive teacher guide for the Ten Break Investigation lesson, including learning objectives, materials, timed procedure, and specific video pause points with discussion questions.
Ten Break Slides
A vibrant, high-contrast slide deck for the Ten Break Investigation lesson. Includes a title slide, learning objectives, warm-up exercises, an embedded Khan Academy video, and key pause point discussion prompts to help students visualize place value in subtraction.
Ten Break Flashcards
Large-format printable flashcards for teen numbers (11-18). Includes a decomposition side showing '1 Ten' and 'X Ones' with ten-frame visual support to help students understand the place value structure before subtraction.
Number Detective Worksheet
A structured student worksheet for predicting and verifying subtraction results. It guides students through comparing the subtrahend with the ones digit of a teen number to decide if the answer will have one or two digits. Includes clear workspace for drawing and solving.