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Develop strategies for finding the perimeter and area for rectangles and triangles using geoboards and graph paper.
A common misconception is that when the dimensions of an object are doubled, the area is doubled, too. But this is not true! Use this applet to investigate how changes in the scale factor influence ...
Constructing a line perpendicular to a given line and through a point not on the line is one of the most important constructions in geometry. This process is known as dropping a perpendicular, because ...
Investigate the patterns when a "plus sign" (a cross-shaped arrangement of five squares) is placed on the board in various locations.
Construct sets of numbers to ten. Members-Only Access Log in above or click Join Now to enjoy these exclusive benefits: Award-Winning Journals Free Classroom-Ready Activities Member-Only Online ...
<p>Create larger, similar figures with tessellations.</p> Members-Only Access Log in above or click Join Now to enjoy these exclusive benefits: Award-Winning Journals Free Classroom-Ready Activities ...
<p>In this lesson, students will learn to make math drawings for hundreds, tens, and ones and connect the drawings to numerical symbols on layered place-value cards.  Students will then compare ...
Discover differences and similarities. Award-Winning Journals Free Classroom-Ready Activities Member-Only Online Teaching Resources Discounts on NCTM Resources and Professional Development Member-Only ...
Members-Only Access Log in above or click Join Now to enjoy these exclusive benefits: Award-Winning Journals Free Classroom-Ready Activities Member-Only Online Teaching Resources Discounts on NCTM ...
Use sets to explore addition properties. Members-Only Access Log in above or click Join Now to enjoy these exclusive benefits: Award-Winning Journals Free Classroom-Ready Activities Member-Only Online ...
Award-Winning Journals Free Classroom-Ready Activities Member-Only Online Teaching Resources Discounts on NCTM Resources and Professional Development Member-Only Grant and Scholarship Opportunities ...
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