Curated OER
Angles - Digger and the Gang
Learners explore angle estimation and measurement. In this angle activity, students define obtuse, acute, and right angles, and practice measuring angles using a protractor. Learners participate in an online angle estimation activity.
Curated OER
A Slice of Pi
Math pupils, by viewing a video, discover the history of pi and some of the applications of its uses in the world today. They conduct an experiment by measuring the diameter and circumference of various circular objects to calculate...
Curated OER
Applying Estimation in real Life Situations
Fifth graders explore number sense by participating in role-playing activities. In this estimation lesson, 5th graders discuss reasons for estimating amounts in life and read the book Betcha. Students complete a real life estimation...
Virginia Department of Education
Order Up!
Order in the math class! Scholars learn to evaluate expressions using the order of operations. A game has them rolling number cubes to determine numbers to use when evaluating.
Curated OER
Introduction to Estimation and Making Arrays
Students explore the concept of estimating and organizing a group of objects into an array to count the exact number of items. They create their own arrays and practice elements of estimation.
Curated OER
Book Title: Ten Flashing Fireflies
This activity engages learners in a variety of activities to build 1 to 1 correspondence, estimation, and problem solving skills. They discuss problem solving strategies, hear the story Ten Flashing Fireflies, compose their own word...
Curated OER
"Math Curse" by Jon Scieszka
Students practice estimation skills for measurement, and work with metric units of measurement.
Shodor Education Foundation
Volume of Prisms
Explore the concept of volume of prisms using an applet to perform the calculations. The link to the interactive applet is embedded into the lesson plan as well as a link to associated data sheets. Get your math class to the computer lab...
101 Questions
Oversize Tires
Big vehicles require some big tires. Given a picture of a flatbed hauling a large tire, scholars discuss and estimate the size of the tire. They then use information and video about the tires to estimate the height of a vehicle that uses...
Curated OER
Number and Number Relations: Lesson 20
Fourth graders locate decimals on a number line. They use number sense and estimation skills with decimals. Students are introduced to percents. They look at fractions on a number line. Students fold a piece of paper to find halves,...
Curated OER
How Much Is On The Floor?
Students estimate the number of items in a group. In this estimation lesson, students are presented with random objects to clean up. Students estimate how many items are present and then compare the actual number of items to their...
Curated OER
Costly Calculations Game Show
Students compete in an imaginary game show, using an imaginary calculator that only has a few select keys: 2, 6, and the addition, subtraction, division, and multiplication keys. Using only these keys, students are prompted to come up...
Curated OER
Pascal's Triangle
Students explore the concept of Pascal's Triangle. In this Pascal's Triangle lesson, students use an applet called 'Coloring Multiples' to explore Pascal's Triangle. Students develop patterns starting with various numbers in Pascal's...
Curated OER
Pumpkin Seed Experiment
In this unique lesson students participate in a pumpkin seed experiment. Students interact with the pumpkins weight, seeds and record their findings of what lies within the pumpkin once the top of the pumpkin is cut off for observations....
Curated OER
Learning with Links
Students explore the concept of counting, measuring, and estimating. In this counting, measuring, and estimating lesson, students use plastic links to count sets of links. Students measure their arms and legs using links.
Pennsylvania Department of Education
How Many Ways?
Students estimate the amount of money they have in groups of pennies, nickels, and dimes. In this money lesson plan, students then count up the amounts they have and exchange money amounts.
Curated OER
Introductory Excel Lesson involving Problem Solving
Sixth graders analyze an introductory lesson for Microsoft Excel. They go step by step through the creation of a basic spreadsheet and the use of simple formulas in a problem solving format.
Curated OER
Estimating
Students complete a worksheet. In this estimation lesson plan, students view various ties and estimate the number of objects or pictures on it. Students complete a worksheet on estimation and then make their own tie pattern.
Curated OER
One Size Fits All?
Learners describe the differences between an estimate and a guess. They create reasonable estimates based on comparison and activities. Students explain how estimation is helpful in showing the relative size on a scale. They also...
Curated OER
Real-World Reasonableness
Fifth graders apply math to real-world situations. In this mathematics lesson, 5th graders are read the book, "Math Curse," which discusses ways in which math is used each day. Students then write a sequel to the book in groups,...
Curated OER
Estimating School Store Purchases
Students examine uses for estimating, and round purchase prices to estimate total purchases in a simulated school store setting. They discuss what it means for an item to be on sale, and observe the teacher work through the process of...
Curated OER
Geometry- Hands and Feet
Students identify units of measurement. In this measurement instructional activity, students predict the length and width of their hands and feet. Students discuss their findings and if their predictions were correct.
Curated OER
A Trip to Colonial Virginia
Students consider prices while planning a trip to Colonial Virginia. In this budgeting lesson plan, students construct an itinerary of events for a vacation. Students are responsible for working within the approved budget.
Curated OER
Recognizing Exact Numbers or Estimates
In this estimation learning exercise, students read a word problem about the Lincoln Memorial and then answer 4 fill in the blank questions where they decide whether they need to use an exact number or an estimate to answer each question.