Curated OER
Calculate Area Using Shaded Grids
In this area worksheet, students calculate area of shapes using shaded grids, writing answers in cube units. A reference web site is given for additional activities.
Curated OER
Area of Geometric Shapes
In this geometry learning exercise, students solve for the area of polygons. They are given shaded shapes on a coordinate plane and asked to calculate the area. There are 2 questions with an answer key.
Curated OER
Lesson 9-3 Practice B: Composite Figures
In this composite figures worksheet, learners solve 11 short answer problems. Students find the area of figures composed of various polygons. Learners find the area of each figure given a sketch of the figure with various measurements...
Curated OER
Dan's Badge
Learners solve a math problem using area formulas of circles and squares. They read and discuss the problem, analyze images of badges, reconstruct the badge from the problem using circles and rulers, and share the solution with the class.
Curated OER
Area Problems
For this area worksheet, students find the area of 3 given figures, then fill in missing dimensions in 3 additional figures. Answers included on page 2.
Curated OER
Calculate Area-Shaded Grids #3
In this area activity, students calculate the area shown on shaded grids, writing total area in square units. A reference web site is given for additional activities.
Curated OER
Calculate Area Using Shaded Grids #2
In this area worksheet, learners use shaded grids to calculate area, writing area in square units. A reference web site is given for additional activities.
Curated OER
Calculate Area Using Shaded Grids #3
In this area learning exercise, students use shaded grids to calculate area, writing the area in square units. A reference web site is given for additional activities.
Curated OER
Calculate Area-Shaded Grids #2
In this area worksheet, learners calculate area using shaded grids, writing total area in square units. A reference web site is given for additional activities.
Curated OER
Calculate Area-Shaded Grids
In this area instructional activity, students calculate area using shaded grids, writing total area in square units. A reference web site is given for additional activities.
Curated OER
Calculate Area Using Grids
In this area activity, students use shaded grids to calculate area, writing area in square units. A reference web site is given for additional activities.
Curated OER
Calculating Area
In this area activity, students calculate the area of shaded figures shown on grids. A reference web site is given for additional activities
Inside Mathematics
Patterns in Prague
Designers in Prague are not diagonally challenged. The mini-assessment provides a complex pattern made from blocks. Individuals use the pattern to find the area and perimeter of the design. To find the perimeter, they use the Pythagorean...
Curated OER
Finding Areas of Polygons- Extra Practice Worksheet
In this geometry worksheet, students practice finding the area of 11 polygons using diagrams which include units in both standard and metric measurement. They solve for the area of 11 polygons using words that describe the polygons that...
Liberty Union-Thurston
Equivalent Fractions
The next lesson in a math series builds off the previous one in which learners estimated fraction amounts using fraction bars. Here, pupils view equivalent fractions with unlike denominators using fraction bars. Lastly, they complete a...
Balanced Assessment
Plenty of Pentagons
Why are only four colors needed to color webs from regular pentagons, not five? An assessment task requires young mathematicians to first construct regular pentagons using a compass and straightedge, then has them consider a shape formed...
Curated OER
The Centroid of a Triangle
Students familiarize themselves with the construct and measure menus. They demonstrate how to use the Sketchpad Calculator. They draw a triangle and construct the centroid. They shade in each of the small triangles and measure the area.
Curated OER
Write Fractions
In this writing fractions worksheet, students write fractions for shapes with shaded areas, 5 shapes total. Answers are included on page 2.
Curated OER
NON-EUCLIDEAN GEOMETRY.
Students study relationships between angles, side lengths, perimeters, areas and volumes of similar objects. In this lesson students also create and critique inductive and deductive arguments concerning congruency, similarity and the...
Curated OER
Geometric Word Problems
In this geometric figures worksheet, 10th graders solve and complete 11 different word problems. First, they find the area of a regular octagon with a given side. Then, students find the area of each shaded region. They also find the...
Mathed Up!
Enlargements
Make enlargements with and without centers. Pupils work through seven problems dealing with dilations or enlargements. The first couple items are strict enlargements without centers, while the others have centers. Class members also...
Illustrative Mathematics
Overlapping Squares
The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....
Mathematics Vision Project
Module 5: Modeling with Geometry
Solids come in many shapes and sizes. Using geometry, scholars create two-dimensional cross-sections of various three-dimensional objects. They develop the lesson further by finding the volume of solids. The module then shifts to finding...
Curated OER
Understanding Visual Fractions
Learners can actually see the numerators and denominators as they examine three segmented shapes. For each, they must write a fraction representing the shaded regions of the shape. Only one of these can be simplified, so decide whether...