Mathematics — Grade 1

Resources on the web

How Do You Build Triangles?

Students investigate basic properties of triangles. They then investigate the relationships among basic geometric shapes and communicate their findings to their peers. (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: National Council of Teachers of Mathematics

Helping Ladybug Hide with Arrows and Angles

Students use a Java applet to hide a ladybug under a leaf. This requires experimentation, planning, and understanding of spatial relationships and visual memory. (Learn more)

Format: lesson plan (grade K–2 Mathematics and Science)

Provided by: National Council of Teachers of Mathematics

Going Beyond with Triangles

Students create a class triangle book and work with tangrams. (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: National Council of Teachers of Mathematics

Get the Turtle to the Pond

This lesson from Illuminations provides opportunities for creative problem solving while encouraging young students to estimate length and angle measure. Students are asked to enter a sequence of LOGO commands to help the turtle get to the pond. Children... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

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Geoboards

Students identify and recognize triangles using multiple representations, locate triangles in their environment, and construct triangles. (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: National Council of Teachers of Mathematics

Figuring in football

Students examine the influences of pattern, symmetry, and design in the real-world, by looking at a football field. (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: National Council of Teachers of Mathematics

Facing Up

Students create a map of their face and practice locating different parts using the geometric and measurement concepts they have learned in previous lessons. (Learn more)

Format: lesson plan (grade K–2 Mathematics and Science)

Provided by: National Council of Teachers of Mathematics

Designing a Virtual Path

In this lesson, one of a four-part unit from Illuminations titled “Ladybug Adventures—Learning Geometry and Measurement Concepts,“ students use their knowledge of numbers, measurement, and geometry to design a “virtual path”... (Learn more)

Format: lesson plan (grade K–1 Mathematics)

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