Curated OER
Animal Shelters - Sharing Our Knowledge
Students arrange a service project for a local animal shelter. In this animal shelter lesson, students collect items to be given to a local shelter. They learn how to estimate the monetary value of the donated items. They can do optional...
Curated OER
Dental Arithmetic: Sugar Clocks
Students analyze data about their teeth. In this data collection lesson, students determine how often their teeth should be brushed during the day. Students also estimate the amounts of sugar in 17 foods.
Curated OER
How Much is a Pound? A Weight Lesson
Fourth graders explore weight in pounds. In this measurement lesson, students estimate the weight of teacher-provided objects, measure the actual weight of the objects using scales, and discuss food products sold by the pound....
Curated OER
What's in My Kitchen?
Learners examine a variety of kitchen utensils. For this wood and alternative materials lesson, students view examples of kitchen utensils, sort kitchen utensils, discuss the benefits of using one utensil over the other and...
Curated OER
Pump Up the Volume
Fourth graders calculate volume. In this volume lesson, 4th graders calculate, estimate, and compare units of volume in English and metric systems.
Curated OER
How Many in a Minute
Students estimate what they can accomplish in a minute. In this estimation activity, students guess how many jumping jacks or stars they can draw in a minute. They get timed and see how close they are to their prediction.
National Council of Teachers of Mathematics
Rough Rule
For this algebra activity, learners estimate the Canadian population using the rough rule. There are two questions.
Curated OER
Pounds and Ounces: It's All About Weight
First graders explore number sense by participating in a measurement estimation activity. In this weight lesson, 1st graders discuss the differences between measurement units, both English and Metric. Students examine a loaf of bread to...
Curated OER
Side Splitter Triangles
Students investigate the side splitter theorem. In this geometry lesson, students estimate and solve problems dealing with ratios and proportions. They identify angles created by lines that are parallel.
Curated OER
Measuring to the Nearest Inch
Third graders use whole numbers and fractions to make connections between abstractions of the mathematical world and the real world. In this fractions and measurement lesson, 3rd graders identify, quantify groups , and measure distances....
Curated OER
Estimating
In this estimation worksheet, students estimate the three digit numbers to the nearest hundreds. Students complete 10 problems total.
Curated OER
Estimating
In this estimating worksheet, students estimate the four digit numbers given to them to the nearest thousand. Students complete 10 problems total.
Curated OER
Cut It Out!
Students calculate the surface area of polygons. In this geometry lesson, students use spacial reasoning to find the answer to their problem. They analyze solids and create formulas to estimate the measurements of the area.
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
Rounding to Add #2
In this addition activity, students round addends to the nearest 10 to estimate sums. A website reference for additional resources is given. One example is completed for students.
Curated OER
Rounding to Add
In this rounding to add worksheet, students round addends to the nearest ten and estimate sums for 14 problems. One example is completed; a website reference is given.
Curated OER
Rounding to Add
In this rounding to add worksheet, students round addends to the nearest ten and estimate sums. A website reference for additional resources is given.
Curated OER
Chancing it
Seventh graders examine different transplant types and estimate the possible outcomes. In this biology lesson students discuss donors and transplants then divide into groups and complete a worksheet.
Curated OER
Sliding Along
Third graders explore the concept of linear measurements and how they work. Coins are used to reinforce the process.
Math Mammoth
Measuring Length: Metric
For this mathematics worksheet, 3rd graders draw lines for each measurement. Then they measure the lines to the nearest centimeter. Students also use a ruler, a measuring tape, and measure small items and longer items.
Curated OER
Number Sense and Operations
In this number sense and operations activity, 5th graders solve 17 different types of problems that include estimation and determining the exact answer of an equation. First, they determine the sum of two numbers closest to one listed....
Curated OER
Estimation and Significant Figures
High schoolers 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...
Teach Engineering
Using Map Scales to Figure Distances and Areas
The asteroid is getting closer and the question is whether the state of Alabraska is large enough for the shelter calculated in the previous activity. Teams determine the scale of their project and then use the scale on the map to...
Curated OER
Estimating, Measuring and Naming Angles
In this angle worksheet, students first estimate, then measure within 15 degrees and name a set of 3 angles. A reference web site is given for additional activities.
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