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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Play Area
In this finding the area of the letters P, L, A, and Y worksheet, learners use visualization and knowledge of counting whole-squares and half-squares to solve the problems. Students find the areas of 4 letters.
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Pancakes, Pancakes!- Measuring
Students estimate measurements in real world problem situations. In this estimation instructional activity, students read the book Pancakes, Pancakes and estimate how many cups equal a pint, quart, and gallon. Students test their...
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Buggin' Out (Identifying and Adding Amounts of Money)
Learners explore consumer math by participating in estimate exercises. In this currency lesson, students identify and define each piece of U.S. currency and their value to the monetary system. Learners complete several money worksheets...
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Mental Math Blocks
In this math worksheet, students solve eleven math problems from a variety of topics. For example, students estimate the product of a multiplication problem.
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Hi, Deer!
Students collect, organize by table, and examine census data in a simulation, estimate the size of the population in the simulation and make predictions based on the collection of census simulation data.
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Study Buddies- Estimating Products
In this math worksheet, students work with a partner to practice estimating products using rounding. They discuss the process of rounding and whether multiplying the rounded numbers is easier or more difficult than multiplying the...
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Estimating Sums and Differences
In this estimation worksheet, 4th graders estimate the sum or difference of 15 math problems. Students write their answers underneath each math problem on the worksheet.
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Mental Money
Students 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. Students calculate money answers based on coins...
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Estimation
Fourth graders view a variety of rice products and calculate their cost. In this rice math lesson, 4th graders estimate cost and multiply to find 8 of each item. Students estimate using different amounts of rice products. Students...
Math Mammoth
Money and Change
For this consumer math worksheet, students estimate and then multiply the given money amounts. Students also practice finding change. There are seven problems to complete.
Ohio Department of Education
Fraction and Decimal Equivalency
Mathematicians make representations of fractional parts of a whole and learn that a decimal is another way to represent a fractional part. Understanding is extended by comparing and ordering fractions and decimals on a number line. This...
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Temperature
Students understand that temperatures in Alaska can be negative numbers. In this temperature lesson, students recognize the temperatures above and below zero. Students compare temperatures using the greater than and less than signs....
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I'll Halve S'More, Please!
Students describe a fraction in terms of sharing parts of a whole. They understand the meaning of the parts of a fraction and add and subtract like fractions. They apply fractions to problem situations and recognize and use equivalent...
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Length Lotto-Teacher's Notes
Learners convert metric units of length, specifically meters, centimeters, and millimeters. In this lesson of converting measurements, students participate in various games which require them to put the measurements in order or convert...
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Calculator
In this mathematical calculations learning exercise, 4th graders complete 12 multiplication problems by using a calculator. Students also develop an estimate for these problems.
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Object Graphs
Students identify geometric shapes, demonstrate construction of an object graph, compare sets of objects, estimate which student has the most geometric shapes in his or her bag, and play computer game Jump Start Kindergarten.
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The Anaconda
Students examine basic facts about the anaconda. They discuss the length of an anaconda, estimate the length of 33 feet, compare their estimate to the actual length, and decorate the paper snake with colored scales.
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How Many Stars in the Milky Way?
Students perform an experiment in which they will use a statistical method called `sampling' to count to a billion (and beyond). Students practice sampling by estimating the number of characters on a page from the classified section of a...
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How Big is it?
Students review the units of the metric system, convert from the US system of units of measure to the metric system, and estimate measures before converting between the two systems of measurement.
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Sizing Up the Supersize Croc
Students examine and compare traits of humans and crocodiles. In this crocodile lesson plan students use a ratio to estimate the height of a person and compare that to a crocodile.
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Measuring Scavenger Hunt
Students participate in a measuring scavenger hunt. Students choose items around the room to estimate and measure. Students try measuring with their hands and compare with other students who did the same. Students discuss why their...
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Probability Using M&M's
Students estimate and then count the number of each color of M&M's in their bag. In this mathematics lesson plan, students find the experimental probability of selecting each color from the bag. Students create pictographs and bar...
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Mental Maths
In this counting worksheet, students complete 22 fill in the blank problems where they are given a starting number and count by 1's, 2's, and 10's. Next. students answer 12 fill in the blank addition or subtraction problems where they...
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