Length Investigation

A simple, beautiful math material for 1st-grade addition.

A foundational lesson on addition within 10 using visual models and hands-on practice.

An introductory lesson on basic addition and subtraction within 10, using visual models and hands-on practice.

Students will practice basic addition and subtraction within 20 using visual models and word problems to develop number sense and operational fluency.

A foundational lesson on basic addition within 20, using visual strategies like ten-frames and number lines to build conceptual understanding and fluency.

A fun, hands-on lesson introducing first graders to basic addition within 10 using a colorful candy-themed approach. Students will use visual models and number sentences to solve simple word problems.

A foundational math lesson for 1st graders focused on addition and subtraction within 20, using visual models and number bonds to build fluency.

A hands-on introduction to basic addition and subtraction using the theme of a forest adventure to engage 1st-grade learners with visual models and simple word problems.

Students will practice basic addition and subtraction within 20 using visual aids and number lines.

A foundational lesson on basic addition and subtraction within 20, using visual models and hands-on practice to build number sense.

A first-grade lesson focused on basic addition and subtraction through the concept of a "Number Forest," using visual aids and storytelling to master sums and differences within 10.

A hands-on introduction to basic addition and subtraction using the theme of a backyard garden, focusing on numbers 1-10.

A foundational lesson on basic addition within 10, using visual counters and fun themes to build number sense.

A foundational math lesson for 1st graders focused on addition and subtraction within 20, using visual strategies and word problems.

A first-grade math lesson focused on understanding and identifying basic 2D shapes through real-world examples and hands-on identification.

An introduction to basic addition within 10 using visual models and hands-on practice for first-grade students.

A beginner-friendly lesson on addition within 10, using visual counters and fun jungle-themed word problems to build foundational math skills.

A high-energy lesson focused on mastering basic addition and subtraction within 20 through hands-on practice and visual representations.

A foundational lesson on basic addition and subtraction within 20, using visual models and hands-on practice to build number sense.

A fun, hands-on lesson for 1st graders focused on basic addition and subtraction within 20 using a playful 'Space Explorer' theme.

A foundational lesson on basic addition and subtraction within 10, using visual counters and number stories to build conceptual understanding for 1st-grade students.

A hands-on introduction to basic addition and subtraction using animal-themed word problems and visual aids. Students will practice adding and subtracting within 20.

A foundational math lesson for 1st graders focusing on addition within 10 using visual models and hands-on practice.

A foundational math lesson for 1st graders focusing on addition and subtraction within 10 using visual models and hands-on practice.

A beginner-friendly lesson on basic addition and subtraction using visual aids and word problems, designed for 1st-grade learners.

A fun, hands-on lesson for first graders to master basic addition within 10 using visual models and interactive storytelling.

A foundational lesson on basic addition within 10 using visual models and hands-on practice.

A foundational lesson on basic addition and subtraction within 10, using visual aids and hands-on practice.

A foundational lesson on basic addition within 20, using visual counters and story problems to build mathematical fluency.

A beginner-friendly introduction to basic addition within 10, using visual aids and hands-on practice to build number fluency.

Students will explore basic addition concepts using concrete 'bug' themes, practicing adding numbers up to 10 through visual counting and simple word problems.

A lesson on solving subtraction word problems within 100 using number lines. Students learn to visualize 'taking away' and 'finding the difference' as movement along a trail.

A foundational lesson on basic addition within 10 using visual models and hands-on practice. Students will explore the concept of 'putting together' using relatable scenarios.

A foundational lesson on basic addition and subtraction within 10, using a fun 'Number Jungle' theme to engage young learners with visual models and hands-on practice.

A foundational lesson on basic addition and subtraction within 10, using visual models and hands-on practice to build number sense.

A foundational math lesson for 1st graders focused on addition and subtraction within 10 using visual models and hands-on practice.

A foundational math lesson for 1st graders focusing on addition within 10 using visual models and hands-on practice.

A foundational math lesson for 1st graders focusing on addition and subtraction within 10 using visual models and hands-on practice.

A foundational algebra lesson for 1st graders using the concrete model of a balance scale to explore the concept of equality and the meaning of the equal sign. Students will identify balanced vs. imbalanced scales and find missing values to create equality.

A foundational math lesson for 1st graders focusing on addition and subtraction within 20 using visual models and word problems.

A foundational lesson on basic addition within 10 using visual models and hands-on practice. Students will explore the concept of 'putting together' using everyday objects and simple number sentences.

A foundational lesson on addition within 10 using visual models and hands-on practice. Students will explore the concept of 'putting together' through interactive slides and a structured practice worksheet.

An interactive review game lesson where students become artifact hunters, solving time and measurement challenges to 'unlock' historical treasures. Covers telling time to the nearest 5 minutes and measuring objects in inches and centimeters.

A foundational math lesson for 1st graders focusing on addition and subtraction within 20 using visual models and word problems.

A fun, math-integrated lesson where students read about llamas and solve word problems based on factual llama data. Students will practice reading comprehension and multi-step word problems involving addition, subtraction, and multiplication.

Students learn how engineers help solve community problems by designing a sustainable solution for a local environmental or social issue.

Students 'Create' and 'Test' their bridge designs using simple materials, followed by 'Improving' their structures based on performance data.

Students delve into the 'Define' and 'Imagine' phases of the Engineering Design Process by researching bridge types and brainstorming innovative solutions to span a gap.

A hands-on introduction to the Engineering Design Process where students act as aerospace engineers to design, build, and test paper rockets.

The final stage of the EDP where students test their designs, gather data, and iterate for improvement.