A comprehensive teacher facilitation guide for the Mystery Math lesson. Includes a step-by-step instructional script, common student misconceptions to watch for, and a full answer key for the student worksheet.

A detective-themed worksheet for practicing finding unknown numbers in addition and subtraction equations within 20. Includes space for work, a word problem, and a creative section for students to design their own math mystery.

A detective-themed presentation for small group instruction on finding unknown numbers within 20. It uses the Part-Part-Whole model to explain three distinct mystery types (missing addend, missing subtrahend, and missing minuend).

A student worksheet featuring three length comparison word problems with dedicated spaces for drawings, equations, and final answers, designed to help 1st graders practice finding unknowns in length contexts.

A comprehensive teacher guide for leading a 1st-grade small group lesson on comparing lengths and finding unknowns. Includes a hook, modeling strategies for addition/subtraction equations, and specific detective-themed prompts for guiding student thinking.

A two-page cut and paste activity where students count sets of objects and match them to the correct numerals 1-10. Features ninja-themed icons and clear work areas.

An engaging visual presentation for introducing numbers 1-10, featuring ninja-themed objects for group counting and 1-to-1 correspondence practice.

A comprehensive teacher guide for a 1-10 counting lesson, featuring instructional steps, differentiation strategies, and a list of required materials.

A planning template for RSP teachers following the Concrete-Representational-Abstract (CRA) instructional model. It provides a structured workspace to plan small-group interventions for math Power Standards, ensuring students move through tactile and visual stages before symbolic computation.

A teacher answer key and scoring guide for the Math Level Navigator Exam, renumbered to match the level-based item scheme (1-4 per level) and mastery criteria for grade placement.