Worksheet
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Estimating Butterflies

For Students 1st - 3rd
In this estimation worksheet, students estimate how many butterflies are in the picture and have 25 or 55 to choose from. Students estimate and eventually count 25 butterflies.
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Measurement: Estimating One Place Beyond

For Students 7th - 10th
In this estimation in measurement worksheet, students are given four rulers with measurements marked on each. Students estimate each measurement and mark their answers.
Lesson Plan
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Adjusting the Quotient

For Teachers 4th
Fourth graders use number facts to estimate quotients. In this division lesson, 4th graders examine long division problems to determine which multiple of ten will help them determine a number that is close to a quotient. They adjust the...
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Estimating the Mile Record

For Students 8th - 10th
In this estimating the mile record, students examine given data.  They use create a box-and-whisker plot to determine the upper and lower quartiles of the data.  This one-page activity contains 1 multi-step problems.
Lesson Plan
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Counting Blood Cells

For Teachers 3rd - 5th
Students observe number sense by participating in an estimation activity. In this blood cells lesson, students identify the importance of blood cells in the human body and discuss how tiny they are. Students utilize paper dots as a...
Lesson Plan
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Tip the Scales

For Teachers 4th - 6th
Students, in groups, estimate and check the weights of classroom objects using coins as the standard of measure.
Lesson Plan
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Working Watermelon

For Teachers 2nd - 4th Standards
You're going to wish you had a watermelon for this lesson! Class members read about watermelons and make a salad in class to sample. They also perform estimates, measurements and calculations on a watermelon. They predict what percentage...
Lesson Plan
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Proportionality: The X-Plane Generation

For Teachers 4th - 8th
Students meet NASA researchers who describe the relationship between force, energy and motion. They discuss how NASA's experimental X-plane is being tested to make space travel more reliable and show how proportionality and ratios are...
Lesson Plan
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How Many Critters Live Here? Estimating Wildlife Populations.

For Teachers 4th - 6th
Students examine how wildlife biologists estimate the population of particular species. They work on map construction and population sampling. They use sampling to estimate the population of spiders in a study area or a forest.
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Subtraction - Find the Missing Numbers

For Students 3rd
In this subtraction instructional activity, 3rd graders find the missing numbers in 8 subtraction problems. They estimate the differences in 4 three and four digit subtraction problems before calculating each answer.
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Chapter 2 Word Search Puzzle

For Students 3rd - 4th
In this language arts learning exercise, students read 5 words in a word bank. The words seem to be related to estimation and rounding in math. Students locate the words in a word search puzzle. The meaning of the title is unclear.
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Implicit Differentiation

For Students Higher Ed
In this implicit differentiation activity, students use the chain rule to solve for the derivative. The find the equation for the tangent line at a given point and determine if the line is vertical. This two-page activity contains...
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Estimating

For Students 1st - 2nd
In this estimating worksheet, students sharpen their math skills as they estimate 8 problems and then solve the actual problems.
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Addition - What Are the Missing Numbers?

For Students 3rd - 4th
In this addition worksheet, students determine what the missing numbers are in 8 two digit addition problems; either finding the sum or an addend. They estimate and calculate each answer in 4 three and four digit addition problems.
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Estimating Quotients

For Students 4th
In this estimating quotients worksheet, 4th graders estimate the quotient in 12 math problems and write the numbers they used on the lines provided.
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Adjusting the Quotient

For Teachers 5th - 6th
Students solve division problems. In this division instructional activity, students review estimating and how to figure out if their estimate is too large or too small. Students solve division problems and use their estimating skills to...
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Estimate Using Tens

For Students 2nd
In this estimate using tens instructional activity, 2nd graders match three sets of toys with 3 jars by estimating using tens and reading the label on the jar.
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Raft Rally

For Students 6th - 8th
In this science project worksheet, students create a raft from a 20 X 20 piece of aluminum foil and four plastic straws that will hold the highest number of pennies. Then they estimate the number of pennies that they believe their raft...
Lesson Plan
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Two-Digit Quotients

For Teachers 6th
In this mathematics worksheet, 6th graders find the quotient for each problem. They estimate first and identifying which number they will use. Then, students divide the problem and multiply to check.
Lesson Plan
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Dividing Decimals

For Teachers 6th
In this mathematics worksheet, 6th graders find the quotient for each problem listed. Then thy explain their estimates, divide, and multiply to check their answers.
Lesson Plan
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Multiplying Decimals

For Teachers 6th
In this mathematics worksheet, 6th graders estimate the product and use an array to help them find the product. Then they find the exact product and locate where to put the decimal point in each.
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Further Rounding

For Students 5th - 6th
In this rounding off learning exercise, students determine if 8 statements could be rounded off to the nearest ten, hundred, thousand, ten thousand, hundred thousand or million. Students draw and complete a table of 5 numbers, rounding...
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Decision Time

For Students 1st - 2nd
In this estimating practice worksheet, students examine 3 groups of objects and estimate and check how many objects there are in each group. Students also respond to 1 short answer question.
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What Can You Do In One Minute?

For Students 1st - 2nd
In this timing worksheet, students discover what tasks can be done in one minute. Students solve 5 problems in which they time themselves for one minute doing different tasks such as: building a cube tower, keeping a ball up in the air,...