Size and Mass
TEKS Objective
The student will classify objects by observable properties of the materials from which they are made such as larger and smaller, heavier and lighter, shape, color, and texture.
Essential Understanding
The student knows that objects have properties and patterns.
Science Background
What is Matter? Properties and Classification of Matter: Annenberg Learner (website) - Comprehensive video that helps students to understand what makes something “matter,” and how different kinds of matter are classified.
What is Matter? Properties and Classification of Matter
Annenberg Learner, www.learner.org
Mass vs. Weight: NASA (video) - Build your understanding of the difference between mass and weight with this video produced on the International Space Station.
Signature Lesson
Weight Wonders - Big and Light…Heavy and Small: Education.com (website) - Students investigate the weight of different objects.
Weight Wonders - Big and Light…Heavy and Small?
by Kathy Meindl, Education.com
- Supporting Lessons
- Extensions
- Assessment Ideas
- Literature Connections
- Related
TEKS - Additional Resources
Supporting Lessons
Exploration of a Balance: Illuminations (website) - Students balance pairs of like and unlike objects by changing distance from the fulcrum on a balance.
Exploration of a Balance
Illuminations, www.illuminations.nctm.org
Nonstandard Measurement: Center for Innovation in Education (PDF) - Various, nonstandard measurement activities, with lesson ideas related to mass.
Nonstandard Measurement
Center for Innovation in Education, www.center.edu
Elaboration Lessons and Extensions
Curious George, How Tall? PBS Kids (website) - Interactive game in which students practice measuring different objects’ heights.
Curious George How Tall?
PBS Kids, www.pbskids.org
Teaching Measurement: Kindergarten Lessons (website) - Scroll down to “Recording their experiences” for an activity that teaches students about weight and mass.
Teaching Measurement
Kindergarten Lessons, www.kindergarten-lessons.com
Assessment Ideas
Light and Heavy: IXL Learning (website) - This interactive game, in which students compare the mass of various objects, may be used as an assessment with the whole class or in a workstation.
Literature Connections
Heavy and Light. Royston, Angela (ISBN-13: 9781432914448)
Too Big, Too Small, Just Right. Minters, Frances. (ISBN-13: 9780152021573)
Additional Resources
Pan Balance—Shapes: National Council of Teachers of Mathematics (website) - Students click and drag different shapes onto an interactive pan balance.
Pan Balance - Shapes
Illuminations, www.illuminations.nctm.org
Weigh It Up: Math Zone (website) - Interactive math games that reinforces students’ understanding of mass.
Weigh It Up
Math Zone, Birmingham Grid for Learning, www.bgfl.org
Poddle Weigh-In: PBS Kids (website) - Students manipulate an online scale to balance various objects.
TEKS Navigation
Grade 1
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