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Subtracting Two- and Three-Digit Numbers

For Teachers 5th - 7th
In this subtracting two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to fourteen subtraction equations.
Worksheet
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Math Quiz-Grade 3

For Students 3rd
In this math quiz worksheet, 3rd graders solve a total of 31 problems related to a variety of 3rd grade math concepts. 
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Mystery Jars: Make Your Own

For Teachers 1st - 4th
Students explore the concept of estimation. In this estimation lesson, students create their own estimation jars and fill them with objects of their choice. Students then count the exact number of objects and trade jars to...
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There Was An Old Lady...

For Teachers K - 8th
Students participate in various activities using the story There Was An Old Lady Who Swallowed a Fly. In this reading fluency lesson, students read the story and then practice comprehension, fluency, and writing. An estimation activity...
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Look at Those Leaves!

For Teachers K - 2nd
Students observe and sort tree leaves. In this plant biology lesson, students observe various types of leaves and identify the characteristics of each leaf. Students measure and sort leaves according to size and color.
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Estimation and Computation

For Teachers 2nd
Second graders practice their estimation skills using blocks. In this math lesson plan, 2nd graders explain how estimating makes addition easier. They complete a worksheet after the lesson plan to reinforce new learning.
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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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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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Speed Trap

For Teachers 7th - 10th
Students explore the usefulness of algebraic skill development as they make decisions based on their ability to accurately estimate the speed of moving vehicles. The life and death possibilities place an interesting"spin" on this skill.
Worksheet
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Smarties Investigation

For Students 3rd - 4th
In this math worksheet, students participate in an investigation of Smarties candy. For example, students estimate how many candies they have in each color, count the actual number, and record the information in a tally chart.
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What's a Tree Worth?

For Teachers 9th - 12th
Learners calculate the board footage of a tree. For this forestry lesson, students use a Biltmore tree scale stick to calculate the number of board feet that would be produced. They quantify the economic value of a tree from this...
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Our Town Store

For Teachers Pre-K - 6th
Students purchase items in their classroom store. In this money lesson students create a classroom store. The students have a given amount of money and have to decide if they have enough to purchase the items that they would like to.
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Planning My Vacation Online

For Teachers 8th - 12th
Students use a variety of resources to decide on a vacation destination. They locate three points of interest, a hotel, and two restaurants at their destination.Students obtain driving directions for their trip, create a trip budget, and...
Lesson Plan
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Multiplying Decimals and Mixed Numbers

For Teachers 6th - 8th
Students multiply decimals and/or mixed numbers. They explore the effects of multiplying decimals and mixed numbers. They practice estimating answers when a number is multiplied by a decimal or mixed number.
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What is the connection between rice and estimation?

For Teachers 6th
Sixth graders investigate estimating. In this estimating lesson, 6th graders estimate how much rice is eaten around the world. Students estimate the percentages of rice eaten by other countries. Students compare rice production to...
Organizer
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Table of Measures and Area

For Students 4th - 5th
In this measurement and area activity, students complete a table by carefully estimating and then measuring the listed objects. They find 3 objects to measure, use the proper measuring tool, and complete table. They can complete a...
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Liquid Measurement

For Teachers 3rd
Third graders investigate liquid measurements by estimating how many cups it takes to fill containers. The students predict the liquid measurements and then find the actual amount using the water in a bucket. Students then compare...
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Growing Circles

For Teachers 9th - 12th
Students identify the equation to represent a circle. For this algebra lesson, students review properties of conics and how they are related. they use a robot to create a visual of circles and their application to the real world.
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Estimation

For Teachers 4th - 6th
Learners explore the concept of estimation. In this estimation lesson, students discuss making estimates through teacher led discussion. Learners use the Internet to complete an activity where they must estimate the length of lines.
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The Estimation Station

For Teachers 2nd - 3rd
Students challenge "common knowledge" against newly learned estimation strategies and put those strategies into use. They consider variables in estimating different groups of objects and practice skills of representing numbers.
Worksheet
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Estimate Quotients: Practice

For Students 4th - 5th
In this estimating quotients learning exercise, students estimate the quotients in the sixteen division equations. Students then complete two test prep questions.
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M&M Caper

For Teachers 5th - 8th
Students participate in a game with M&M's to be introduced to percents and ratios. Individually, they estimate and record the number of candies they believe the bag holds and the amount of each colored candy. They open the bag and...
Worksheet
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Estimation

For Students 6th
In this estimation worksheet, 6th graders solve and complete 6 different types of problems. First, they explain each answer provided and why it is wrong. Then, students estimate the answer for each expression. They also calculate to find...
Worksheet
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Adding Decimals

For Students 4th - 5th
In this adding decimals worksheet, learners solve 10 problems in which decimal numbers to the hundredth place are added. Some problems will need to be rewritten vertically.