Curated OER
Are We There Yet?
Students estimate the time needed by the Corps of Discovery to complete its expedition. They problem solve and estimate the distance covered by the Corps on its expedition. They compare their findings to the expedition's actual rates...
Curated OER
Subtracting Two- and Three-Digit Numbers
In this subtracting two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to fourteen subtraction equations.
Pennsylvania Department of Education
Adding and Subtracting Three-Digit Numbers by Jumping
Second graders use data to graph information and draw conclusions. In this instructional activity on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot...
Curated OER
Differentiate Elements, Compounds, and Mixtures
Learners examine the differences between elements, compounds and mixtures. Using diagrams, they compare and contrast atoms and molecules and describe various chemical reactions. They distinguish the differences between ionic and...
Curated OER
The Seasonal Round and The Cycle of Life
Fourth graders are introduced to the concept of the seasonal round and how folklife traditions vary from season to season. They begin charting dates of personal interest on seasonal round calendars by starting with birthdays. Students...
Curated OER
Sizing Up the Supersize Croc
Young scholars examine and compare traits of humans and crocodiles. In this crocodile lesson plan students use a ratio to estimate the height of a person and compare that to a crocodile.
Curated OER
Leaving on A Jet Plane
Young scholars create an airplane by listening to directions. They also to measure the pieces for the airplane and compare and contrast their test flights.
Curated OER
BASE-ic Space Travel
In this 3-day place-value lesson, upper-elementary kids investigate the base 5 and base 2 systems as an introduction to exponents and powers. They create a pocket chart to help ground their understanding of bases, exponents, and powers,...
Curated OER
FILLING IN THE GAPS - Acquiring and Analyzing Satellite and Ground-Based Data
Students monitor rainfall, compute daily averages, and compare their methods of computation to those used by actual researchers using satellite observations.
Curated OER
Comparing Fractions
Students use the assistance of computers to explore reducing fractions. Using various internet activities, students experience comparing and ordering fractions. They develop methods to estimate the value of fractions.
Curated OER
What is the connection between rice and estimation?
Sixth graders investigate estimating. In this estimating lesson, 6th graders estimate how much rice is eaten around the world. Students estimate the percentages of rice eaten by other countries. Students compare rice production to...
Pennsylvania Department of Education
Comparing Sets
Pupils count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
Curated OER
Subtracting Whole Numbers and Decimals
In this math worksheet, learners learn to subtract whole numbers and decimals. Students are given step by step directions on how to solve one sample problem, then complete 5 examples on their own. Example: 6.57 - 3.28. There is...
Curated OER
Estimating Solutions to Word Problems
Fourth graders explore number sense by completing word problems in class. In this estimation instructional activity, 4th graders define terms such as sum, difference, estimate and best. Students complete estimating worksheets based on...
Curated OER
CATCH, TAG and RELEASE
Students apply estimation strategies for problem-solving purposes. They become familiar with one aspect of a marine biologist's work.
Federal Reserve Bank
Gini in a Bottle: Some Facts on Income Inequality
Delve into the hard numbers and fundamental concept of income inequality in the United States, using graphs, detailed reading materials, and an organized worksheet.
Science 4 Inquiry
The Monster Mash
Young scientists create monsters by applying their knowledge of transcription and translation. They randomly find the DNA, assign it a codon, and build monsters piece by piece.
Curated OER
Discovering Pi/Welcome to Pi Day
Students explore pi. In this circle measurement lesson plan, students define and identify radius, diameter, circumference, and perimeter. Students work in groups to measure several plastic lids and record their findings. Students compare...
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.
Curated OER
Fraction Models
Third graders make models of fractions and mixed numbers. Using fraction strips and drawing pictures, 3rd graders develop conceptual understanding of the equivalent forms. Students use the number line to represent and compare...
Curated OER
Investment Plans
Students explore investment plans. They write the explicit and recursive forms of the sequence of an investment and compare the amount to the continuously compounded interest formula for the same time period, interest and principal....
Curated OER
What's in the Bag?
Help your students identify the attributes of two-dimensional shapes. They read the book Round is a Mooncake, and use pattern blocks to sort shapes. Students sort shapes according to their attributes.
Curated OER
A Matter of Proportion
Students measure the relative heights of the mosaic giraffe and its trainer and compare their proportions to an actual giraffe and zoo trainer.
Curated OER
Math in the Wetlands Field Trip
Get your class out in the environment for hands on math activities. For this wetlands lesson, learners transplant native plants, calculate how much soil is needed, and perform math activities based on this experience. They then make...