Curated OER
Measure and Draw Angles
Six word problems provide practice for young geometers to review angles, the angle a of straight line, circles, right angles, and others. I like the approach of these questions; they require thinking and explaining, not just computation.
Curated OER
Polygons
In this polygons activity, 10th graders solve 10 different problems that include various types of polygons. First, they determine the number of sides that a polygon has if the exterior angle is a certain degree. Then, students determine...
Curated OER
Adding Mixed Numbers
In this mathematics worksheet, 5th graders add and write the equivalent fraction with a common denominator. Then they add and rename the result if needed giving it in lowest terms. Students also solve each of the word problems at the...
Curated OER
Commutative Property
First graders use various models to learn the Commutative Property of Addition. In this Commutative Property lesson, 1st graders use other students, counters, balances, and dominoes to apply the addition property. Students solve addition...
Pennsylvania Department of Education
Adding Common Fractions
Fourth graders estimate various measurements. In this lesson on measurement, 4th graders estimate the length and mass of multiple objects. Students discuss the difference between a guess and a reasonable estimate and discuss using...
Curated OER
Box-and-Whisker Plots
Eighth graders measure in feet and inches and convert to explore the relationship between the converted measurements. In this measurement lesson, 8th graders use the whisker and box plot to represent the measurement of a cat. ...
Curated OER
Cookie Dough Equivalence
Who doesn't love cookies? In this lesson, learners follow a recipe to make cookies, practicing their ability to compare fractions as they go. This is a wonderful way to motivate your class to practice this important skill.
Curated OER
The Area of Rectangles
Intended for beginners to geometry, an area of a rectangle problem has scholars draw out the units within the shape. They segment it into four rows and six columns to determine how many squares the rectangle is made of and, eventually,...
Curated OER
Scientific Measurement and Conversion
In this measurement worksheet, learners review the rules of dimensional analysis and then determine if the 3 equations given follow the dimensional analysis rules.
Curated OER
Fractions, Equivalent Fractions and Decimals
Middle schoolers relate fractions to decimals and find and compare equivalent fractions.
Curated OER
Measuring With Graduated Cylinders
Students explore measuring with a graduated cylinder. In this measurement lesson, students observe liquids in a beaker. Students predict the volume of liquid in the beaker and then transfer the liquid to a graduated cylinder. Students...
Curated OER
Metric Measurements
Sixth graders convert metric units of measurement.  Classmates observe the use of a mnemonic for conversions.  In groups, 6th graders practice converting metric units.  They use a chart to describe how to convert between metric units of...
Curated OER
What units and concepts do we use to measure rice?
Fifth graders look at different ways to measure rice. In this rice measurement lesson, 5th graders see the metric and customary measurements. They discuss how rice is measured by length, area of the field, weight, volume and yield. 
Curated OER
Metric System
In this measurement worksheet, students use the list of commonly used prefixes in the metric system to write each of the given equivalences for mass measurement. Then they state the names of each of the listed units on the sheet.
Curated OER
Measuring Elapsed Time
Fifth graders convert units within the same measurement system and be able to determine elapsed time.  They are given a start time and an end time of a game.  Students determine the amount of elapsed time from the data that is given.
Curated OER
Interior and Exterior Angles
In this interior and exterior angles worksheet, 10th graders solve 10 different problems that include determining the interior and exterior of various triangles. They determine the measure of an exterior angle and then they determining...
101 Questions
Stacking Cups
Facilitate an understanding of equality using a modeling task. After watching different-sized cups being stacked, learners use their math skills to determine when the height of each cup tower will be the same. Meant as an introduction to...
Curated OER
Mathematics Within: Algebraic Patterns
Students comprehend that ratios and fractions are interchangeable. They compare ratios using common denominators, cross multiplication, and intuition. Students find equivalent fractions. They comprehend that equivalent ratios do not...
Curated OER
Introduction to Decimals
Young math whizzes complete the online instruction, then solve 20 problems about identifying decimals, comparing decimals and fractions and ordering decimals.
Curated OER
Riding on a Pendulum
A comprehensive resource gets fourth grade physical scientists making observations about the period of a pendulum and then applying knowledge to a playground swing. Through seven different stations, they will record observations and...
American Chemical Society
Solubility Test
Make sure to consult the teacher's handbook, Inquiry in Action - Investigating Matter Through Inquiry, for two demonstrations that can be done to introduce solubility and measuring crystal mass before having the class conduct this...
Institute of Electrical and Electronics Engineers
Exploring at the Nanoscale
Nano-nano! Nanotechnology can seem like it's from another planet! After learning about this tiny technology, collaborative groups experiment with how smaller particles affect chemical reactions. They do this by immersing a whole and a...
Virginia Department of Education 
Mathematics Vocabulary Cards – Grade 4
An excellent way to reinforce math vocabulary in your classroom! Seventy-eight posters focus on number and number sense, computation and estimation, measurement, geometry, probability and statistics, and patterns, functions, and algebra.
Curated OER
When a Ruler is Too Short
High schoolers measure distances using parallax. In this math lesson, students explain how this method helped astronomers with their studies of the solar system. They determine the length of their arm using parallax and compare it with...