Sign Detectives Worksheet

A detective-themed math worksheet containing 10 mixed addition and subtraction equations within 20 with no regrouping. Features a clean 2-column layout with spacious student answer boxes and decorative footprint and magnifying glass details.

SOSaiko Otake

Material #1

inSign Detectives

Word Problem Detectives

A primary math unit designed to build confidence in solving one-step addition and subtraction word problems. The sequence combines engaging visual cues, scaffolded modeling spaces, and explicit transition strategies between concrete and abstract math representation.

jielmeus

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.

Saiko Otake

Sign Detectives Answer Key

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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Knockout Arena Recording Sheet

Printable student recording sheet for Knockout Math Arena. Adjusted to align with basic shapes (triangle, rectangle, cylinder) and whole/half-hour times only. Provides clean, designated workspaces with white backgrounds for handwriting answers.

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Cosmic Math Expedition

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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Knockout Math Arena

A high-energy, fast-paced review game targeting 2nd-grade place value, time, and geometric shape attributes. Includes a colorful slide deck, a comprehensive facilitation guide, and student recording sheets to keep the whole class engaged.

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Knockout Arena Teacher Guide

Comprehensive teacher facilitation guide for Knockout Math Arena. Includes game board setup instructions, team management strategies, pacing guidelines, scaffolding tips for visual supports, and a detailed 20-question slide-by-slide answer key with student misconception notes.

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Junior Wildlife Detectives

A 4-week Extended School Year (ESY) Math curriculum for Students with Disabilities (SWD) in grades 1-4. Using an engaging 'Junior Wildlife Detectives' theme, students track animals, measure habitats, and categorize species while mastering addition, subtraction, place value, and multiplication foundations aligned with NJ Student Learning Standards (NJSLS) for grades 1-3.

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Place Value Play

A hands-on, high-contrast lesson focusing on representing three-digit numbers. Students use dice to generate digits and practice writing numbers in standard, expanded, and word forms.

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Knockout Game Slides

Stunning 16:9 interactive slides for the 20-question Knockout Math Arena review game, adjusted to cover place value, rounding to the nearest 10, telling time to whole/half-hours, and basic 2D shapes. Contains custom SVGs for clocks and math number lines.

Sign Detectives Worksheet