For each of these eight rectangles, scholars write out the multiplication sentence to find the area given the side measurements. They use an example for reference and must remember to include square feet in their answer. All measurements...

As you introduce graphs and coordinate pairs, use this guided activity to get scholars started. They reference an example before recording number pairs to identify the location of 12 letters on a grid. Next, learners examine shapes on a...

Can your third graders spot the differences between these geometric shapes? After studying several sections of triangles, rectangles, and other polygons, learners circle the shape described in each set of instructions. For extra...

Combine geometry and fractions with an innovative instructional activity. After your lesson on 1/3, have second graders shape 1/3 of each geometric shape. Shapes include squares, circles, rectangles, and polygons. In the second section,...

Painting an irregular figure can be tricky if we don't know the exact area. This interactive presentation reveals that irregular figures can be broken into smaller, simple figures that use the area formulas. Go through two examples,...

An "H" is just three rectangles when you are trying to draw them on a computer screen. After watching the previous Intro to Drawing video this online programing activity guides young coders to draw the letter "H" on the screen. Help and...

Now practice drawing a rectangle, ellipse, circle, and line by writing your own JavaScript code. Don't know where to start? No problem, you will be guided through creating every line of code. Getting an error message? Again, no problem,...

What better way to learn about colors than by coloring? Starting with the primary colors, young artists follow written prompts to shade in various rectangles and a color wheel to show complementary colors, tints and shades, and more.

Provide learners with practice for identifying equivalent fractions. The first learning exercise contains 15 problems that instruct pupils to name fractions based on visuals, and to find missing parts to equivalent fractions. In the...

Practice tracing with a worksheet that offers six shapes to carefully follow. Includes a star, circle, triangle, rectangle, hexagon, and an oval. 

Pupils show what they know about shapes with a game that matches a shape word to its figure. Shapes in focus are circle, square, triangle, heart, diamond, rectangle, oval, and a star. 

As an introduction to Steiner Trees, class members are challenged to find the shortest paths to connect multiple points. The teacher introduces the problem by showing how to connect three points. Groups then go outside and construct a...

Apply concepts of scale and ratio to determine relationships in irregular figures. Learners determine the ratio of the perimeters of two figures composed of rectangles and circles. After, they apply similar concepts to find the ratio of...

Develop a strategy for finding the area and perimeter of irregular figures. Building on an understanding of finding area and perimeter of rectangles and triangles, learners apply the same concepts to composite figures. After...

What effect does changing the perimeter have on the area of a figure? The five problems in the resource explore this question at various grade levels. Elementary problems focus on the perimeter of rectangles and irregular figures with...

Wrap up a lesson on surface area with a resource that asks scholars to use the idea of wrapping paper to investigate surface area. They draw representations of rectangular prisms on graph paper to find the areas of the respective...

Let's partition rectangles into equal parts. Assess learners on their ability to divide shapes into equal parts, and their ability to explain their thinking.

Question: What do rectangles and bathtub volume have in common? Answer: Linear equations. Learn how to identify situations that have constant rates by examining two different situations, one proportional and one not proportional.

Let there be plenty of light. For a perimeter of 10 feet, scholars determine the maximum area of a window composed of a rectangle and a semicircle. They draw diagrams and then write and solve equations to find the height and radius for...

There are several ways to estimate the area if the curve does not create nice geometric figures. The presenter introduces the idea of using areas of rectangles to estimate the area under the curve. Pupils use four types of Riemann Sums,...

Hit the highlights. Pupils complete 20 problems to review key aspects of skills learned about polynomials. They multiply, divide, and factor polynomials along with determining the zeros of a polynomial. At the end, individuals complete...

Pupils develop expressions to describe the total number of sides on an unknown number of rectangles and triangles. Expressions contain multiplication, addition, and parentheses.

Create rectangle and area models to help students understand expressions. The third installment in the 28-part series has pupils first represent expressions using rectangular array models. The exercises help scholars understand the...

Math whizzes use the area probability applet to manipulate the size of the circle and the rectangle to explore the probability that a point in the rectangle is also in the circle.