Education World
Predicting Pumpkins
If you want more pumpkin seeds, you should get a bigger pumpkin—right? Young harvesters use estimation skills to make a hypothesis about how many seeds they will find in a pumpkin before examining the real number inside.
West Contra Costa Unified School District
The Power of Ten: Building a Magnitude Model
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
National Security Agency
Classifying Triangles
Building on young mathematicians' prior knowledge of three-sided shapes, this lesson series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's book The Greedy...
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...
Education Closet
Equal Rhythms
Engage young mathematicians in learning about fractions with this cross-curricular math and music lesson. After listening to and repeating different beat patterns, children realize that musical notes are just another way of representing...
Computer Science Unplugged
Twenty Guesses—Information Theory
How do we determine how much information to include and what can be left out? By playing a game of 20 questions, the class generates the best strategies for finding a number. They then move on to guessing the next letter in a short...
Teach Engineering
Bend That Bar
Bend it, but don't break it. Groups investigate the strength of different materials. Using a procedure in the seventh segment of a 22-part series on aviation, pupils determine how far a rod will bend. They determine the strength-to-mass...
K-5 Math Teaching Resources
Elapsed Time Ruler Sample 1 x 4 Rulers
Who knew that you could measure time with a ruler? This great printable resource allows young mathematicians to visualize the hours of the day as they learn to calculate elapsed time.
K-5 Math Teaching Resources
Adding Mixed Numbers (Unlike Denominators)
Mix things things up in your elementary math class with a series of problem-solving exercises. Presented with a series of mixed number word problems, young mathematicians are asked to solve them by using either visual fraction...
Noyce Foundation
Through the Grapevine
Teach statistics by analyzing raisins. A thorough activity provides lesson resources for five levels to include all grades. Younger pupils work on counting and estimation, mid-level learners build on their understanding of the measures...
Utah Education Network (UEN)
Insides and Outsides
Give small groups handfuls of unit cubes and then dare them to build as many rectangular prisms as possible using only 12 cubes. This engaging activity serves as an introduction to the volume of solid figures. In addition to volume,...
Curated OER
Lessons for Atlatl Users with Some Experience-Grade 5
Fifth graders throw darts, collecting data for distance traveled. In this data analysis instructional activity, 5th graders throw a dart using an atlatl. They calculate the speed for each throw and determine the best dart length for...
Curated OER
Sports and Hobby Math
Explore math concepts as they relate to real world situations. Young analysts consider a personal hobby or favorite sport and list three ways math is involved in the hobby. They create several related math story problems and write a...
Curated OER
Measure and Measure
Learners use video integration to help them learn about non-standard measurements. In this measurements lesson, students watch a video about measurement. Learners determine which non-standard measurement unit would be best to solve the...
Curated OER
Mavericks and Measurement
Young scholars study the measurement formulas for area and perimeter in real-life situations. In this area and perimeter lesson, students design a bed and arrange furniture in a hotel room using area and perimeter formulas for a 7 1/2...
Curated OER
Metric Measurement Conversion
In this measurement worksheet, students work with metric conversions. Students are given twenty-one measurements which they are to convert to another measurement.
Curated OER
An Introduction To Volume
Upper graders explore the topic of volume. In this math lesson plan, pupils count volume in cubic units, multiply to find volume, estimate volume, write a multiplication sentence to find the volume, and make a cost analysis of different...
Curated OER
Converting Frenzy
Gain practice converting between metric units of volume and mass. The class goes over the procedures for making the conversions as a whole. The strategy used here includes making charts that show the relationships between the...
Curated OER
Problem Solving: Surface Area or Volume
Strengthen young geometric muscles with this exercise in finding surface area and volume. Six problems provide practice at determining the surface area and volume of two solid figures shown in cubic units, deciding which to find given a...
Illustrative Mathematics
Converting Fractions of a Unit into a Smaller Unit
There is more than one way to answer a question; especially when you have fractions in measurement. Here are three questions with real-world situations in which 5th graders are asked to provide answers in three ways: a larger unit of...
Curated OER
Symmetry in Paper Airplanes
Young scholars explore symmetry. In this geometry and scientific inquiry lesson, students design paper airplanes with middle line symmetry, as well as right, obtuse, and acute angles. Young scholars measure the plane's angles...
Curated OER
Measurement - What is it?
Students work in groups to make accurate measurements. For this area and perimeter measurement lesson, the student groups determine what they will measure and what tools they will need, then find the accurate measurement or area,...
Curated OER
Finding Area and Perimeter in a Miniature House Using Standardized Units
Young scholars explore the concept of area and perimeter. In this area and perimeter activity, students construct miniature houses. Young scholars determine the area and perimeter of their model in order to buy glue, carpet, and wall...
Curated OER
Math Cross--Puzzle #12
In this measurement, money and time activity, students fill in a crossword puzzle as they solve twenty-eight math problems involving inches/ounces, bills/coins through addition, subtraction and multiplication problems.