Curated OER
Rounding Numbers: Pre Test
Hre is a rounding numbers worksheet in which learners complete multiple choice questions where they round numbers with decimals and numbers up to 6 digits. They complete eight questions total.
Illustrative Mathematics
Calculating and Rounding Numbers
Mathematicians need to know that not all numbers are rational. We approximate irrational number with rational numbers. That is why a calculator may be misleading. This task give learners an opportunity to see how rounding a number and...
Shodor Education Foundation
Estimating With Fire
Watch the damage from a forest fire in this interactive simulation activity that challenges learners to estimate the burn area using different approaches. Learners are given a worksheet to track the different burn patterns and practice...
Charleston School District
Pre-Test Unit 7: Real Numbers
Don't be irrational! Use this pre-test to assess your classes' ability to work with all types of real numbers. The lesson asks learners to estimate value, evaluate roots, and order numbers. This begins a series of lessons on the real...
CK-12 Foundation
Square Roots and Irrational Numbers: Estimating Radicals
Try out a resource using triangles to estimate radicals. An interactive app allows learners to approximate some irrational numbers involving square roots. They find the two consecutive numbers that an irrational number lies between by...
Charleston School District
Comparing and Ordering Irrational Numbers on a Number Line
Estimating the value of numbers is much harder than it sounds! Scholars compare and order the value of numbers presented in different forms including fractions, decimals, roots, integers, and pi. This builds on the previous lessons in...
Curated OER
Rounding To The Nearest Whole Number
In this rounding to the nearest whole number worksheet, student round forty-five decimals to their nearest whole numbers for mastery.
Mathed Up!
Using a Calculator
Here's a video that presents several numerical expressions to be evaluated using a calculator.Viewers come to realize that sometimes it is not just a matter of punching in the numbers, but they also need to be concerned about how the...
Curated OER
Rounding Whole Numbers; Estimating Sums And Differences
In this rounding whole numbers and estimating sums and differences worksheet, students problem solve and calculate the answers to forty two mathematical equations.
Curated OER
Using Real-Data from North Dakota to Study Place Value, Rounding, Estimation, Fractions, and Percents
In this real-data activity, learners use data from the 2008 Census Bureau to answer eight questions divided into four activities. The topics covered include: place value, rounding, estimation, fractions, and percents.
Bowland
You Reckon?
Sometimes simple is just better. A set of activities teaches young mathematicians about using plausible estimation to solve problems. They break problems down to simpler problems, use rounding and estimation strategies, and consider...
Mathed Up!
Upper and Lower Bounds
Investigate how rounding affects values. Individuals watch a video about how to find the highest and lowest possible numbers that result in a given value when rounded to a certain place value. They finish by completing a worksheet of...
Curated OER
Square Roots and Real Numbers
In this square roots and real numbers activity, 9th graders solve and complete 12 different problems that include types of numbers. First, they find each square root, rounding to the nearest hundredth. Then, students evaluate each...
Illustrative Mathematics
Estimating Square Roots
No calculators! Assure your learners that they can find the square root of a large number. All they need are two known squares close by and a table. Come up with an additional practice and your number crunchers will have it mastered in...
Curated OER
Guess-timating Fun
Learners estimate the number of items in a jar and write their estimate boldly on a piece of paper. They line up holding their numbers. Then, they calculate the median, mean, mode and average of the guesses.
Kuta Software
Proportion Word Problems
In this proportion word problem worksheet, students read real-life problems and solve proportions. This four-page worksheet contains 18 problems. Answers are provided on the last page.
BW Walch
Creating Linear Inequalities in One Variable
Just when a young mathematician starts to feel comfortable turning word problems into linear equations, shake things up and throw inequalities in the mix. This excellent, instructive presentation takes the steps for solving an equality...
Illustrative Mathematics
How Many Cells Are in the Human Body?
Investigating the large numbers of science is the task in a simple but deep activity. Given a one-sentence problem set-up and some basic assumptions, the class sets off on an open-ended investigation that really gives some context to all...
Google
Surveys and Estimating Large Quantities
Looking for an estimation activity a bit more involved than the typical "guess the number of jellybeans in the jar" game? Here, learners use a picture to estimate the number of people at a large event, look for potential problems with...
EngageNY
Margin of Error When Estimating a Population Proportion (part 1)
Use the power of mathematics to find the number of red chips in a bag — it's a little like magic! The activity asks learners to collect data to determine the percentage of red chips in a bag. They calculate the margin of error and...
Curated OER
Basics of Estimation
In this estimation worksheet, students complete multiple choice questions about rounding and the proper sequence of estimation. Students complete 10 questions total.
Curated OER
Decimals test
In this decimals instructional activity, students complete a test asking them questions on rounding, sums, and metric units involving decimals. Students complete 20 problems.
Curated OER
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.
Curated OER
Estimating Concrete Volume
Students identify rectangular volume calculations, and calculate using formula, concrete table, and calculator.
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