Alberta Learning
Area and Perimeter of Irregular Shapes
Evaluate young mathematicians' understanding of area and perimeter with this series of three assessment tasks. Challenging students to not only calculate the area and perimeter of irregular shapes, but to explain in writing their...
Curated OER
This is Jeopardy
Being able to estimate, understanding place value and fractions, and solving word problems are all important skills in math. This PowerPoint is a Jeopardy-style game where young mathematicians utilize all of these skills in order to win...
Sea World
Splash of Math
How can kids use math to learn about marine life? Combine math skills with science lessons in a resource featuring activities about life in the sea. Kids graph and calculate data, solve complex word problems, measure geometric shapes,...
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
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Explora-Pond: Surface Area
Students estimate the surface area of a pond using ratios and chance methods of estimation. They gain insight into how well estimations based on chance outcomes match the average of a maximum area estimation and a minimum area estimation.
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American Indian Math
Upper graders examine Native American culture while practicing mathematical concepts related to patterns and estimation. They will use mental math to add/subtract single digit numbers.
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Footprints: Take a Step into Estimation
Compare sizes of student footprints with those of elephants and sauropod dinosaurs! Upper graders make estimations of the areas of irregular shapes; students use grids to make and explain estimates within low and high ranges.
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ExplorA-Pond: 4th Grade Perimeter Estimation
Your geometers are used to finding the perimeter of a square or rectangle, so give them something different this time! With this lesson, small groups will receive a picture of a shoreline and calculate the perimeter. The website listed...
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Estimation
Ten word problems provide practice in estimating. This worksheet is intended to accompany a specific text and lesson; however, it is useful without those resources.
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Estimation
Students complete computer activities about estimating if items are more or less than a given amount. In this estimation lesson plan, students also estimate measurements around the classroom.
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Estimation
Learners estimate quantity, length, and area. Students practice making comparison estimations of different items and estimate whether or not the amount is greater or less than a certain amount. Learners practice making estimations.
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ExplorA-Pond:4th Grade Surface Area
Fourth graders estimate the surface area of a pond using the chance method and the estimation method. They complete a graph and a short report comparing the results of the two methods.
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Apple Estimation: Percentages & Subjective Reasoning
Learners practice using their estimation skills by utilizing apples. In this percentage lesson, students utilize a scale and an apple to discover the percentage of each bite they take. Learners share their data with the rest of the...
Curated OER
How Tall is that Tree?
Students apply their math skills to develop an accurate estimate of the height of a tall tree. Three different methods are outlined. All grade levels should be able to perform the shadow method and the proportional method.
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Estimation
Students explore the concept of estimation. In this estimation lesson, students discuss making estimates through teacher led discussion. Students use the Internet to complete an activity where they must estimate the length of lines.
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Area Explorations
Students explore the area of rectangles. They practice finding area by playing an onliine computer activity where they calculate the area of a rectangle to solve a problem.
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Math Review for Grade 4 (4.1)
In this math review for grade 4 (4.1) worksheet, 4th graders answer 25 multiple choice problems in standardized test format about all areas of 4th grade math.
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Estimation Lesson Plan
Students use four different computer estimation applets with several classroom estimation activities.
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Finding Your Stride Length
Students participate in an estimation activity to determine the length of a hallway or to estimate how many people can fit in the school stadium or gym.
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Weighing stations
Students work at a variety of stations involving practical measuring tasks. Estimation skills and the ability to measure accurately using kilograms and grams are developed.
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Quadrat Sampling 101
Young scholars explore the population of grass plants in a given area. They plan and conduct a sampling activity to estimate the population of dandelions or the number of grass blades on the school grounds.
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It Takes Ten
Review and use standard units of measure with your math class. They move from station to station estimating and measuring length, volume, weight, and area. At each station they estimate and measure, and then compute the difference...
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How Many Blades of Grass in a Football Field?
Students, by taking a sample count from a small area, estimate the total number of blades of grass in a football field. They use a cardboard from, the inside of which measures 1 square foot to do their calculations.
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Go The Distance Car Construction
Learners build and program a car to drive a specific challenge distance.They must at the end of the lesson, have the car that stops the closest to a challenge distance.