Curated OER
Math Series
Even though this activity is just a simple review of estimation, it is a fast and easy way to explore this topic. Young mathematicians estimate the number of items contained in two jars and discuss their answers. Afterwards, they can use...
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
Estimation
Students explore the concept of estimation. In this estimation lesson, students discuss making estimates through teacher led discussion. Students use the Internet to complete an activity where they must estimate the length of lines.
CK-12 Foundation
Whole Number Exponents: Teddy Bear Box
Five questions—multiple-choice, fill in the blank, and discussion—make up an interactive that challenges scholars to mail a teddy bear using the smallest box possible without squishing it. A box with movable sides allows mathematicians...
101 Questions
Blocks
Block play can teach children about gravity, physics, and spatial relationships. A hands-on lesson incorporates these concepts with an activity in which learners examine the relationship between levels in a pile. Scholars begin to...
Curated OER
Estimation Investigation
Young scholars view an interactive video to explore the concepts of estimation. They work cooperatively to measure, make comparisons, make predictions, and verify results.
Curated OER
Successive Approximation and Euler's Method
In this approximation learning exercise, students use the Euler's method to interpret a piecewise linear function. They explore why the approximation produced using a smaller stepsize is a better approximation. This four-page learning...
Curated OER
Estimation Contest
Students explore the concept of estimation. In this estimation instructional activity, students estimate the number of Cheerios in their cup. Students then determine the number of Cheerios in the entire box using what they know about...
Curated OER
Estimation Zone
Young scholars explore estimation. They estimate distance, weight, temperature and elapsed time. Students record their estimates and justify their estimations wtih a written response. After estimating, young scholars take the actual...
Curated OER
Reasonable Estimates
Help pupils explore estimation. They will make estimates and discuss when you might use an estimate. Then they discuss if their estimates are reasonable.
Curated OER
Boomerang
Students explore the concept of boomerangs. In this boomerang lesson, students throw homemade boomerangs at different angles to record maximum distance and if it returned or not. Students collect their boomerang data then create a...
Curated OER
Investigation - Peg Race
Students explore time by comparing the duration of an egg timer with how many pegs they can put in a pegboard. They experience one on one correspondence, as they place a peg in the whole. Students discover estimation of time and number...
Curated OER
Ordering Rational Numbers and Finding Their Approximate
Middle schoolers explore the concept of ordering rational numbers on a number line. They represent rational numbers as decimals and percents. Pupils create a foldable about converting fractions to decimals to percents, and use a...
CK-12 Foundation
Estimation of Whole Number Multiplication and Division: Lettuce Garden
Estimating whole number multiplication and division is the focus of an interactive that uses a garden plot with moveable points to answer six questions.
Inside Mathematics
Rugs
The class braids irrational numbers, Pythagoras, and perimeter together. The mini-assessment requires scholars to use irrational numbers and the Pythagorean Theorem to find perimeters of rugs. The rugs are rectangular, triangular,...
Curated OER
Pi Day: The Other Math Holiday!
Happy Pi Day! This collection of games, experiments, and activities leads participants through an exploration of the many aspects and attributes of that mysterious quantity, pi. Activities range from using statistical experimentation to...
California Education Partners
T Shirts
Which deal is best? Learners determine which of two companies has the best deal for a particular number of shirts. They begin by creating a table and equations containing each company's pricing structure. Individuals finish the seventh...
Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Exploring Maps: Lesson 2 Guide: Navigation
Students explore and examine how maps have been used in navigation. They research how travelers collected observations to keep track of their positions and plotted information on maps. Each student then makes a Mercator projection...
Curated OER
The Search for Centimeters
Investigate the length of various objects in metrics! In this measurement lesson, 2nd graders estimate and find the length of objects in the classroom using centimeters.
101 Questions
The Ticket Roll
This is your ticket to understanding estimation. Scholars estimate the number of tickets on a ticket roll. To perform the task, they use pictures and given dimensions of a ticket roll and of a single ticket and apply concepts of area and...
Curated OER
Make Me Metric
Sixth graders explore standard and nonstandard measurement. In this measurement lesson, 6th graders estimate the lengths of different objects and write about their observations during measuring. Students work in groups to measure their...
Curated OER
Estimation and Measurement
Students use unconventional units of measure to estimate and measure.
Curated OER
Differentiability and Linear Approximation
In this linear approximation activity, students determine the derivative of a function and explore properties of the error when using a tangent line to approximate a function graph. This two-page activity contains four problems.