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Planning and making a mini-quilt

In this lesson, students create a quilt using three transformations (reflection, rotation, and translation) and then investigate the ways shapes can be colored to show “one-half” and “one-fourth.” They also locate lines of symmetry... (Learn more)

Format: lesson plan (grade 3–4 Mathematics)

Provided by: Illuminations

Project Interactivate

Online tools and interactive applets to make math make sense to secondary students. (Learn more)

Format: website/lesson plan

Provided by: Shodor Foundation

Understanding Rational Numbers and Proportions

In this lesson from Illuminations, students use real-world models to develop an understanding of fractions, decimals, unit rates, proportions, and problem solving. The activities in this investigation center on situations involving rational numbers and... (Learn more)

Format: lesson plan (grade 7 Mathematics)

Provided by: Illuminations

Virtual pattern blocks

Students use virtual pattern blocks to problem solve and reason with fractions. They investigate relationships between parts and wholes using another representation of a region model, virtual fractions. Illuminations provides the activity sheet and links... (Learn more)

Format: lesson plan (grade 3–4 Mathematics)

Provided by: Illuminations