Curated OER
Number: Rounding Off and Approximating
Young mathematicians access a website that leads them through three activities that enable them to practice their rounding and estimation skills when it comes to numbers and math word problems. There is also a very good worksheet...
Curated OER
Estimating Solutions to Word Problems
Learners use estimation to determine the answers to word problems by rounding whole numbers. In this estimation lesson plan, pupils compare and contrast solutions using the best answer.
101 Questions
Dollar Wall
Money doesn't grow on trees—it grows on walls. Using pictures of a Guggenheim art installation consisting of one-dollar bills glued to a wall, future mathematicians consider the monetary value of the bills used in the installation....
Curated OER
Around the Clock
Middle schoolers discover the relationship between the circumference of a circle and its diameter. They find the length of an arc of a circle.Students use estimation strategies in real-world applications to predict results (i.e.,...
Curated OER
Estimate a Dinner Plate
Pupils work with a partner to solve the real-world problem of planning a favorite meal given a specific budget. They review and practice estimation strategies to determine the reasonableness of calculations in a given situation.
Curated OER
Soaring Towers
How tall can your tower get? Implement shapes, building strategies, teamwork, and prediction in this interactive tower activity. Learners discuss past experiences with stacking materials, recalling ways they kept it from falling over....
DataWorks
4th Grade Math: Multi-Step Word Problems
Solving word problems requires reading comprehension and math computation. Through an interactive slideshow presentation, fourth graders observe and follow each step toward solve multiplication and division word problems.
Curated OER
Growing Caterpillars
Explore multiplication through caterpillar study. Learners will view a caterpillar video clip and work with a group to determine how much they would weigh if they grew to be 3,000 times their size as does the caterpillar. They will...
Balanced Assessment
Fermi Length
How long does it take to get to the end of a toilet paper roll? Pupils use their estimation strategies to find lengths of common items. For example, knowing the area of a roll of toilet paper, scholars determine the length of the full roll.
Curated OER
Problem Solving: Guess and Check
Sometimes guess and check is the best way to solve a word problem. Learners use the guess and check strategy to solve each of the 6 included story problems. Note: At times younger children have difficulty using estimation or the guess...
Didax
Pi Day #1a – Discovering Pi
Unravel the mystery behind the infamous number pi. Scholars complete a series of activities that explores where pi comes from, its digits and estimation strategies. Pupils should be ready to measure, calculate, and look for patterns to...
Scholastic
Mathematics
Three word problems prompt young learners to review their test-taking skills. Each problem provides five possible answers, allowing kids to use the most efficient strategy when solving for the answer.
Curated OER
Number and Operations: Webbing Our Way Through Numbers
Second graders explore estimation and place value. In this place value lesson, 2nd graders estimate and construct numbers while working with spider activities. Students use addition and subtraction to compare estimates. Resources and...
Curated OER
Life is Full of Problems
Pupils use the problem solving strategy of guess and check to investigate math word problems. They determine which problem solving strategy or strategies would work best in problem situations.
Curated OER
Examining Estimation
Second graders participate in various activities which help them explain and explain the difference between an estimate and an exact amount.
Illustrative Mathematics
Reasoning about Multiplication and Division and Place Value, Part 1
Help your class make sense of quantities and their relationships. Given is the product of two numbers. It is up to your number crunchers to think about the quantitative relationship when the product is one-tenth or ten times the product...
Illustrative Mathematics
How Thick Is a Soda Can I?
The humble soda can gets the geometric treatment in an activity that links math and science calculations. After a few basic assumptions are made and discussed, surface area calculations combine with density information to develop an...
Balanced Assessment
Fermi Number
A fermi number is a rough estimate of a quantity that is difficult or impossible to measure. Individuals design a process for making an estimation of a given scenario. For example, they determine a plan for estimating the number of...
Balanced Assessment
Catenary
Develop a model for a hanging chain. Pupils find a mathematical model for a hanging chain and then they compare their models to the precise function that models the curve. Scholars come up with a strategy to determine how close their...
Curated OER
Estimation and Significant Figures
Students investigate the importance of significant figures through measuring and estimating. In this estimation and significant figures lesson plan, students measure pieces of paper and round their figures to the nearest marking on the...
Curated OER
Estimation and Pattern Discovery
Students collect sunflower heads from their community garden. They estimate its seed count using different strategies. They graph their estimations on a graph and use calculators to find the actual total.
Curated OER
Estimation
Students estimate quantity, length, and area. Students practice making comparison estimations of different items and estimate whether or not the amount is greater or less than a certain amount. Students practice making estimations.
Alabama Learning Exchange
Estimation Station: Why Estimating is Better than Guessing
Youngsters discover the difference between estimating and guessing. They estimate how many items are contained in a jar as they read a story. After the story, pupils discover the differences between estimating and guessing and create a...
Curated OER
Operation Spaghetti
Find the math in recipes. Young chefs will follow a recipe and investigate the total cost for materials. They measure amounts of food necessary for the recipe and compute the per person cost.