Curated OER
Study Buddies: Adding Decimals
In this math worksheet, students will work with a coach to add numbers with decimals to the hundredths place. Students will follow a step-by-step process and notes are provided for the coach.
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Population Pyramids
Students utilize population pyramids to answer questions, make comparisons, draw conclusions and support predictions about the populations of China, India and the Unites States. They arrange numbers and symbolic information from various...
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Decimal Place Value Chart
In this decimal place value chart instructional activity, students work independently to fill in the blanks on the chart so that the numbers equal out correctly and the missing words are stated correctly.
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Concept: Square Root
In this square root worksheet, students solve problems with exponents. They find the square root of given numbers. Students ill in missing numbers on a radical clock face. This eleven-page worksheet contains notes, detailed instructions...
Math Mammoth
Money and Change
In this consumer math activity, students estimate and then multiply the given money amounts. Students also practice finding change. There are seven problems to complete.
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Popcorn Geography
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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More! A Lesson on Comparing
Students practice counting and comparing objects. In this math lesson, students view a Count on It! episode. Students examine the value of what they are counting. Students estimate number in groups of items. Students...
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Living Room Redecoration
Fourth graders use math in a living room redecoration lesson. In this geometry lesson, 4th graders get the dimensions of a living room and need to find the amount and cost of paint and flooring. They read different scenarios and decide...
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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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Significant Figures
In this significant figures learning exercise, students indicate the number of significant figures and then round each to the number of significant figures shown. This learning exercise has 20 problems to solve.
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Estimate Sums
In this estimating sums worksheet, learners solve 6 word problems where they estimate the sum of 3 digit numbers by rounding to the nearest 10, 100 or 1000.
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Estimating With Fire
Pupils 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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How Close Can You Get? Estimating
Students work collaboratively to determine how many crackers are in a large container. They then view a video to see how often people use estimation in their jobs, and another video to watch students work on figuring out appropriate...
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Year 6 Time Booster pg. 4
The month of February is the focus of this calendar worksheet. Students must look at the calendar and answer 4 word problems about the month of February. Interestingly, this particular February happens to be a leap year with 29 days!
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Estimating the Square- Root of Ten
In this algebra worksheet, students estimate the square root. They rewrite the root as an exponential function and solve. They use the correct function notation. There are 10 questions.
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Estimating Expenses
In this estimation worksheet, students estimate expenses of different items by solving word problems. Students estimate expenses for 5 problems.
Pennsylvania Department of Education
Round Numbers to Nearest Ten or Hundred
Third graders review telling time. For this lesson on telling time, 3rd graders discuss various items that show length of time, including clocks, calendars and sand timers. Students review and practice what they already know about...
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Applied Science-Science and Math (2A) Post Lab
Second graders create a graph about TV watching. In this bar graph lesson, 2nd graders make a hypothesis about how much TV 2nd graders watch per week. They record their TV watching for a week and bring it to school to create a class...
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Online Math Problems and Estimation
In this online math problems worksheet, students complete a variety of exercises including finding the missing numbers in eight math problems, two money and estimation calculations and estimating the difference in ten math problems by...
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Money Game
Fourth graders give change of one dollar. In this decimal and fractions instructional activity, 4th graders receive fake coins and discuss what they could purchase with them. Students go for a walk and spend one dollar...
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Write Nearby Tens
In this rounding to the nearest ten instructional activity, students read numbers and write the nearby tens in the box next to them. Students solve 20 problems.
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Numerical Analysis/ Floating Point Arithmetic
In this math learning exercise, students examine the concept of floating point arithmetic. They compare the tools of chopping and rounding to measure accuracy.
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Adjusting the Quotient
Students solve division problems. In this division lesson, 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 adjust the...
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Measure Mania
Groups of learners rotate through five classroom stations to estimate, measure, and record volume, length, weight, mass, and area using both customary and metric measure. They evaluate their data to determine how close their estimates...