Curated OER
Fraction Benchmarks
Learners investigate the fraction benchmarks for zero, one half, and one. They use these benchmarks to compare the relative sizes of fractions, through estimating, ordering and placing them on a number line. An assessment worksheet is...
Curated OER
Estimating Quotients
In this estimating quotients worksheet, 4th graders estimate the quotient in 12 math problems and write the numbers they used on the lines provided.
Curated OER
Estimating and Measuring Amounts
Third graders explore measurement. In this estimation and measurement lesson, 3rd graders examine visual examples using standard units to measure length. Students also practice solving problems that their instructors model.
Curated OER
Round 4-Digit Numbers
In this rounding numbers practice worksheet, students sharpen their problem solving skills as they solve 6 story problems that require them to round 4-digit numbers.
Curated OER
In A Heartbeat
Students discuss scatter plots then create a class scatter plot using their heart rate at rest and their heart rate after a few minutes of aerobic exercises. Students copy the points plotted as a class and create individual graphs...
Curated OER
Round-Nearest Ten, Hundred and Ten Thousand
In this rounding instructional activity, students use a number line to help round given numbers to the nearest ten, hundred and ten thousand.
Curated OER
Singing a round
Kids use their hands, bodies, and voices to explore the musical concept of a round. They say vegetable words while stomping and clapping out a rhythm in unison and then in a round. They then sing a round while maintaining a steady beat....
Curated OER
Estimating Pi as a Length
In this pi learning exercise, students evaluate the curve of a quarter of a circle. They analyze the length of the curve, and explain that if the area under the curve is equal to pi, the length of the curve above is also equal to pi....
Alabama Learning Exchange
Lining up the Decimals
Fifth graders order decimals from least to greatest and greatest to least. In this decimal order instructional activity, 5th graders complete an online review of comparing 2 digit numbers. Students then complete a decimal order card game...
Curated OER
Estimating Fractions and Sums
What is a quick comparison, and how can it help you estimate sums and differences? For this estimation worksheet, learners estimate fractions in addition problems. They complete four problems where they estimate the sums after reviewing...
Alberta Learning
Area and Perimeter of Irregular Shapes
Evaluate young mathematicians' understanding of area and perimeter with this series of three assessment tasks. Challenging students to not only calculate the area and perimeter of irregular shapes, but to explain in writing their...
Houston Area Calculus Teachers
Area and Volume
An AP calculus lesson begins with an activity to determine the volume of a solid using a cross-section. Next, learners review the ways to find the area between two curves , as well how to find the volume of a solid created...
Concord Consortium
Fermi Volume
It is about this big. An assessment provides three questions on the estimations of volume. Pupils determine the quantities needed and use dimensional analysis to arrive at estimations involving dollar bills, paint, and gasoline.
Curated OER
Angles - Digger and the Gang
Students explore angle estimation and measurement. In this angle lesson, students define obtuse, acute, and right angles, and practice measuring angles using a protractor. Students participate in an online angle estimation activity.
Curated OER
Ready to Round
First graders are introduced to the concept of rounding to the nearest ten through the use of a number line created from a hundreds chart.
Curated OER
How to Round Numbers
Students exercise rounding numbers to the nearest tens, hundreds, and thousands. In this rounding numbers lesson, students participate in a rounding numbers activity, covering the concept of rounding in both addition and subtraction.
Curated OER
Round' Em
For this rounding worksheet, students analyze the test scores of 8 children and round them to the nearest ten. Students then answer 2 questions about the results.
Curated OER
Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation instructional activity, 2nd graders solve real life problems to understand estimation and money problems.
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...
Curated OER
Squares and Square Roots
Students find patterns relating the lengths of the sides of squares to their areas. In this squares and square roots lesson, students draw squares and find their areas. They estimate the sides of square when given the area. Students use...
Baylor College
Measuring and Protecting Skin
Several subjects are addressed within the context of a science lesson about the sun's ultraviolet rays. Elementary earth scientists consider protection of the skin with sunscreens (health), estimating and measuring surface area or an...
EngageNY
Sampling Variability in the Sample Mean (part 1)
How accurate is data collected from a sample? Learners answer this question using a simulation to model data collected from a sample population. They analyze the data to understand the variability in the results.
David Pleacher
Candy Math Fun
Few things can motivate children to learn like the promise of a sweet and tasty treat. Given a bag of M&M®s, Skittles®, or other colorful candy, students first predict the contents of the bag before counting the pieces,...
Curated OER
Round to the Nearest Thousand
In this rounding worksheet, students examine 9 different numbers, write the 2 numbers each number falls between and then round each number to the nearest thousand. Next, students solve 15 fill in the blank problems where they round...