National Security Agency
Classifying Triangles
Building on young mathematicians' prior knowledge of three-sided shapes, this instructional activity series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's...
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...
Scholastic
Study Jams! Area of a Parallelogram
Get introduced to the idea of square units and how to calculate the area of a parallelogram. The resource provides a visual lesson to measuring different types of this shape and how it relates to square units.
Scholastic
Study Jams! Area of a Triangle
Even though there is a wide variety of different triangles in the world, knowing a single equation allows us to find the area of each and every one of them. Follow along with this step-by-step presentation as Zoe clearly models how to...
Curated OER
Flicking Football Fun
Young mathematicians fold and flick their way to a deeper understanding of statistics with a fun, hands-on math unit. Over the course of four lessons, students use paper footballs to generate data as they learn how to create line...
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...
Curated OER
Measuring Temperature
Students examine how to determine temperature on a thermometer. They read and discuss an informational handout, discuss examples of Fahrenheit and Celsius scales, and complete a worksheet.
Curated OER
One Size Fits All, Part 1
Can you tell how tall someone is just by looking at their feet? For this activity, young mathematicians measure their height, arm span, and foot size, graph their findings, and answer questions about how these measurements are related....
Curated OER
Measure Up! Capacity Chart
Students experiment with various containers to explore standard units of liquid capacity. They create a diagram to illustrate the liquids and units of measurement that each container holds. Each student is then challenged to compute...
Curated OER
Measuring Object Length on a Number Line
Young scholars demonstrate knowledge that you can measure objects using a subtraction number sentence when the item to be measured is not aligning to zero. In this lesson, a video clip is used to emphasize this...
David Pleacher
Candy Math Fun
Few things can motivate children to learn like the promise of a sweet and tasty treat. Given a bag of M&M®s, Skittles®, or other colorful candy, students first predict the contents of the bag before counting the pieces,...
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
Density - An Intrinsic Property
Learners discover the property of density while participating in a lab exercise. In this scientific measuring lesson, pupils utilize a scale to measure the density of different metal materials. They document their work and present their...
PBS
Blow the Roof Off!
Blow the minds of young scientists with this collection of inquiry-based investigations. Based on a series of eight videos, these "hands-on, minds-on" science lessons engage young learners in exploring a wide range of topics...
Curated OER
Practice: Word Problems
Congratulations, you've just hit the word problem jackpot! Covering an incredible range of topics from integers and fractions, to percents, geometry, and much more, this collection of worksheets will keep young mathematicians...
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...
Curated OER
Figure This Out
Students measure different parts of the human body. In this measurement lesson, students work in pairs to take measurements of human measurements which include: arm span, height, foot length, and wrist to longest finger. They also...
Curated OER
Applied Science - Science and Math Post Lab
Students utilize a balance scale. In this applied science lesson, students compare the weights of two objects using an elementary balance scale. Students balance the scale with weights to find how heavy an object is.
Baylor College
Measuring and Protecting Skin
Several subjects are addressed within the context of a science lesson about the sun's ultraviolet rays. Elementary earth scientists consider protection of the skin with sunscreens (health), estimating and measuring surface area or an...
Curated OER
Inching Our Way through Measurement
Students review how to use an inch ruler and listen to the story, Inch by Inch by Leo Lionni. In this measuring lesson, students work in small groups to create an Inch Poster. Students then use an inch ruler to measure different objects...
Curated OER
Measurement
Students choose appropriate units of measure and predict length using the metric system. In this measurement lesson, students participate in activities in which they predict, measure, and record linear measurements such as arm span vs....
Curated OER
Forming, Measuring and Labeling Angles
Students draw and measure angles. In this angle measurement instructional activity, the teacher demonstrates how to form and measure angles while explaining the parts of an angle, then students practice.
Curated OER
Math in Literature and Life
Pupils read poems, read phrases, and create a poster for what math is and relate it back to literature. They also discuss the impact math has had on literature.