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Activity
Curated OER

Calories in a sports drink

For Teachers 7th - 10th Standards
How much can a company round numbers without being misleading? Learners investigate the accuracy of claims made by a sports drink company. Teachers could easily modify the activity by bringing in their own beverage bottles, or by taking...
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Lesson Plan
Curated OER

Frost Depth Study

For Teachers 6th - 9th
Students complete activities to study the frost and frost depth. In this frost study lesson, students use frost tubes to study and measure the frost at their school. Students measure the frost in the tube and enter their data online to...
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Lesson Plan
Curated OER

Investigation - Snack TIme

For Teachers K
Students explore solving addition and subtraction problems. They solve real life problems. Students participate in a simulation activity to find the missing addend. They demonstrate adding and subtracting whole numbers.
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Lesson Plan
Curated OER

Where Are We Going?

For Teachers 2nd - 5th
Students practice rounding numbers to ones and tens places, multiplying numbers, and working with simple fractions. They study the placement and distances of planets in the Solar System.
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Lesson Plan
Curated OER

Estimating With Fire

For Teachers 7th - 9th
Students solve problems with percents, decimals and fractions. In this algebra lesson, students convert between fractions, percents and decimals. They estimate their answers and calculate their answer.
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Worksheet
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K12 Reader

Estimation

For Students 4th - 5th Standards
Teach your class a thing or two about making educated mathematical guesses. Learners read a passage that explains estimation and approximate and exact answers. They then respond to five questions about and related to the text.
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Lesson Plan
Curated OER

Can You Guess

For Teachers 2nd - 3rd
Learners develop useful strategies for mental calculation when estimating possible addition solutions. They mentally perform calculations involving addition and subtraction. Students state the estimated sum or difference between numbers.
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Lesson Plan
Curated OER

M&M Graphing and Probability

For Teachers 1st - 5th
Students sort, classify, and graph M & M's. They create pictographs and bar graphs with the colors and numbers in each bag of M & M's. They calculate the ratio and probability based on class results.
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Worksheet
Curated OER

Vocabulary: Addition Terminology

For Students 5th - 8th
In this addition terminology worksheet, students complete many activities where they define and match addition terminology. Students complete 11 pages of activities.
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Lesson Plan
Curated OER

Mental Money

For Teachers 3rd - 4th
Learners access prior knowledge to round numbers and add decimals. In this mental math lesson plan, students share the book Betcha and calculate estimates for three jars based on the book. Learners calculate money answers based on coins...
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Lesson Plan
Curated OER

Popcorn Geography

For Teachers 3rd - 12th
Students use kernels to create a "Top Corn-Producing States" map or graph. They read and round off numbers. Students identify on a U.S. outline map the location of corn-growing states. They create a visual (map or graph) illustration...
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Lesson Plan
Curated OER

Build A Skittles Graph

For Teachers 3rd - 5th
Students explore graphing. In this graphing lesson, students sort Skittles candies and use the color groups to create a bar graph. Rubrics and extension activities are provided.
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Lesson Plan
Curated OER

Estimating Volumes Of Household Containers

For Teachers 4th - 8th
Students engage in a the estimation of volume for household containers and focus upon the usage of the metric system. They practice identifying the shapes that seem familiar and match shapes with quantities. Students interact with others...
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Unit Plan
Virginia Department of Education

Classifying Angles

For Teachers 4th - 8th Standards
Don't be obtuse, this geometry unit is the just the right resource for educating the acute young minds in your class. From classifying and measuring angles, to determining the congruence of shapes, this resource covers a wide range of...
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Lesson Plan
Curated OER

Raise It or Rest It

For Teachers 4th
Fourth graders round to the thousands place using a rhyme.
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Lesson Plan
Curated OER

Let's Go Shopping: Estimation At The Mall

For Teachers Higher Ed
Students estimate the total cost of a shopping trip. In this estimation instructional activity, students use three different techniques to estimate how much a shopping trip will cost.
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Lesson Plan
Curated OER

A Day to Remember!

For Teachers 4th - 8th
Students study math. In this real-life problem solving lesson plan, students work on their skills dealing with time and money. They work in small groups on various time and money word problems and by the final day they have a final...
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Lesson Plan
Curated OER

Squares and Square Roots

For Teachers 8th - 10th
Students find patterns relating the lengths of the sides of squares to their areas. In this squares and square roots lesson, students draw squares and find their areas. They estimate the sides of square when given the area. Students use...
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Lesson Plan
Curated OER

Pancakes, Pancakes!- Measuring

For Teachers 1st - 2nd
Students estimate measurements in real world problem situations. For this estimation lesson, students read the book Pancakes, Pancakes and estimate how many cups equal a pint, quart, and gallon. Students test their estimations by...
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Lesson Plan
Curated OER

Metric Meals

For Teachers 6th
Sixth graders investigate metric measurements. In this metric measurement lesson, 6th graders explore mass, capacity, and length. Students examine graduated cylinders and balance scales to obtain measurements. Resources are provided.
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Lesson Plan
Curated OER

Out of This World

For Teachers 4th - 6th
Students are introduced to the solar system and its place in the universe. They begin to grasp the idea of very large numbers by estimating and computing how long it take the class to make a million x's.
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Lesson Plan
Curated OER

Carbon Dioxide Exercise

For Teachers 9th - Higher Ed
Students work in groups, plotting carbon dioxide concentrations over time on overheads and estimating the rate of change over five years. Stacked together, the overheads for the whole class show an increase on carbon dioxide over five...
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Lesson Plan
Curated OER

Coordinate Grid: Mapping an Archaeological Site

For Teachers 6th - 8th
Students examine how archaeologists preserve context of sites through use of rectangular grid or Cartesian coordinate system, and develop sense of distance by pacing off and estimating distances.
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Lesson Plan
Curated OER

Applying Estimation in real Life Situations

For Teachers 5th
Fifth graders explore number sense by participating in role-playing activities. In this estimation lesson, 5th graders discuss reasons for estimating amounts in life and read the book Betcha. Students complete a real life estimation...