Search Results

You are looking at 1 - 10 of 37items for :

• "CCSS.Math.Content.8.G.A.1a"
• Refine by Access: All content
Clear All
Restricted access

Making Squares

little problems with big solutions

To elicit creative student thinking, this open-ended problem asks solvers to measure as many squares as possible using a certain size of cardboard.

Restricted access

Discuss Similarity Using Visual Intuition

Incorporate simple and complex figures, distortion and proportion, and visual reasoning into your discussion of similarity.

Restricted access

Quick Reads: Problem Solving with Laser Precision

a good idea in a small package

A student-centered, inquiry-driven classroom explores the Pythagorean theorem.

Restricted access

Quilt Block Symmetries

Pull on the threads of congruence and similarity in a series of lessons that explores transformational geometry.

Restricted access

The American Flag

Students are given an activity in which they analyze the American flag, with an eye to its proportions. Solutions are online.

Restricted access

Mathematical Explorations: How Tall Is That Tree?

An activity explores how to estimate the height of trees. Activity sheets are included.

Restricted access

Sizing Up the Grinch's Heart

How do middle school students interpret the phrase “two sizes too small”? Examining students' responses will re-form your thinking about teaching similarity and using nonstandard shapes.

Restricted access

Framing Measurement: An Art Gallery Installation

An interdisciplinary activity connects mathematics and art from The Barnes Foundation museum in Philadelphia.

Restricted access

Addressing Common Misconceptions with Informal Arguments

This activity allows students to build their own understanding of what it means to develop a solid argument.

Restricted access

In Stitches: Knitting and Knotty Area Problems

Knitting, like other traditional crafts such as quilting or weaving, is a highly mathematical activity. Knitters need to constantly coordinate different forms of measurement, including weight, length, and area. Knitting typically involves following a pattern. If you do not follow that pattern, you can find yourself dealing with some pretty complicated knot theory.