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A Tier 3 intensive intervention lesson focused on finding missing addends within 10 using a detective-themed 'mystery' approach with manipulatives and word problems.

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Sign Detectives

A math lesson focused on sign discrimination and basic operations. Students learn to carefully distinguish between plus (+) and minus (-) signs when solving equations within 20 without regrouping.

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A teacher answer key for the Sign Detectives Worksheet, with all 10 equations pre-solved in a highly visible marker-style format for rapid grading.

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Sign Detectives Worksheet

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A 4-week math workbook and instructional sequence themed around outer space exploration, specifically designed for middle school students with disabilities (SWDs) working at an early 1st-grade level. Features embedded touch-points, base-ten icons, visual number paths, and age-appropriate space exploration visuals to teach single-digit operations, place value, and patterns.

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