National Council of Teachers of Mathematics
The Math Forum: Mass vs. Weight
This site gives an explanation that distinguishes mass from weight. It distinguishes between the two types of mass (inertial and gravitational), and gives the equations for computing both.
E-learning for Kids
E Learning for Kids: Math: Market Place: Mass
On this interactive site students learn to use various units of mass to solve problems and put objects in order by their mass.
Math Is Fun
Math Is Fun: Activity: Discover Mass (Weight)
The learning activity explores weight. Students weight different items and compare their mass from smallest to largest.
E-learning for Kids
E Learning for Kids: Math: Surfing: Mass: Comparing Mass
Catch the waves with Pete and find the mass of the items on the beach.
Math Is Fun
Math Is Fun: Us Standard Mass (Weight)
Students learn about standard units of mass. Topics include ounce, pound, and ton. Practice problems are included to check for comprehension of the concept.
University of Cambridge
University of Cambridge: Maths and Sports: Light Weights
Could the location of the Olympic host city have an effect on weightlifting events? This activity provides an interesting context in which to engage with weight, mass and gravitation, and is aimed at A-level students (grades 10, 11, and...
CK-12 Foundation
Ck 12: Elem Math: Conversion of Ounces Into Pounds and Ounces
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to convert weight from ounces into pounds and ounces. Includes video demonstrating a sample problem [1:37] and a set of...
CK-12 Foundation
Ck 12: Elem Math: Conversion of Pounds and Ounces Into Ounces
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to convert weight from pounds and ounces into just ounces. Includes video demonstrating a sample problem [1:05] and a set...
PBS
Nova Online: How Many Pearls? A Weight & Volume Game
This interactive game has students apply skills in estimation, measurement, and basic addition using pearls. Students are asked to estimate the number of pearls in a treasure chest by making predictions and using number sense. The skills...
National Council of Teachers of Mathematics
Nctm: Figure This: Body Mass What's Your Index? (Pdf)
If you like tackling formulas, then this math challenge is for you. See if you can calculate Helix's BMI (body mass index) and find out if his health is at risk. A one page NCTM Math Challenges for Families activity that engages learners...
CK-12 Foundation
Ck 12: Elem Math: Selection Based on Weight (Metric Units)
[Free Registration/Login may be required to access all resource tools.] For this learning module, students practice identifying the heaviest or lightest metric weight from the choices given. Includes video demonstrating a sample problem...
CK-12 Foundation
Ck 12: Elem Math: Ordering Based on Weight (Metric Units)
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are shown a set of weight values and must decide how to order them based on how heavy or light they are. Includes video...
Better Lesson
Better Lesson: Math Trash
A lesson where students collect trash, sort, and record the mass in grams. They will use their knowledge of numbers to figure out what category of trash had the most. The biggest idea of the lesson is that students will be more likely to...
PBS
Pbs: Super Bear: Comparing Mass
Think about the relationships between weight and size of similar objects. This interactive exercise focuses on using critical thinking skills and estimation skills to predict how many mini and regular gummy bears it takes to have the...
CK-12 Foundation
Ck 12: Elem Math: Multi Step Add and Subtract Compound Units (Metric Units)
[Free Registration/Login may be required to access all resource tools.] A practice quiz where students must add and subtract mixed metric units of weight.
CK-12 Foundation
Ck 12: Elem Math: Subtracting Compound Units (Metric Units)
[Free Registration/Login may be required to access all resource tools.] For this learning module, students must subtract mixed metric units of weight. Includes video demonstrating a sample problem [0:53] and a set of practice questions.
Other
Conversions for Weight Measurements
This site allows you to convert weight/mass measurements. For example converting tons to grams. CCSS.Math.Content.3.MD.A.2 Measure and estimate liquid volumes and masses of objects using standard units
ClassFlow
Class Flow: Weight
[Free Registration/Login Required] This flipchart can be used in Everyday Math for third grade. It involves metric and U.S. Customary weights and measuring different objects.
Alabama Learning Exchange
Alex: Weight vs. Capacity
This lesson plan will introduce students to measuring weight, mass, volume, and capacity using metric and cutomary units. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
Primary Resources
Primary Resources: Measures
A huge collection of teacher resources to aide in the teaching of all types of metric measurement: length, distance, mass, weight, capacity, and volume. Activities include measuring, estimating, converting, investigating, and finding...
Math Is Fun
Math Is Fun: Metric Mass (Weight)
Grams, kilograms and tonnes are explained, and real life examples are given for each.
The Math League
The Math League: Mass
This site gives conversions from metric to metric as well as providing abbreviations for each.
Ducksters
Ducksters: Kids Math: Units of Measurement Glossary and Terms
Math glossary and terms on units of measurement for kids. Learn the definitions used in this mathematics subject such as time, temperature, length, and distance.
CK-12 Foundation
Ck 12: Elem Math: Converting Kilograms and Grams Into Grams
[Free Registration/Login may be required to access all resource tools.] For this learning module, students practice converting kilograms and grams into just grams. Includes video demonstrating a sample problem [0:45] and a set of...