Illustrative Mathematics
Illustrative Mathematics: 2.nbt Many Ways to Do Addition 2
This lesson plan has students exploring was to add and subtract numbers with multi-digits and place value.
PBS
Pbs: Commutative and Associative Properties of Addition
Generate equivalent expressions using two additive properties. This video focuses on using the associative and commutative properties of addition to combine like terms, simplify expressions, and create equivalent expressions.
Physics Classroom
The Physics Classroom: Motion and Forces in Two Dimensions: Vector Addition
An extensive discussion of vector addition with links to interactives and exercises.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Vector Addition Model
This Java applet simulation explores vector addition of two vectors in two dimensions. Given the magnitude and direction, students must determine the vector components.
Texas Education Agency
Texas Gateway: Kinematics in Two Dimensions: Conceptual Questions
This is a list of 21 questions focusing on the major concepts of each section of Chapter 3: Kinematics in Two Dimensions such as adding and subtracting vectors using different methods.
Physics Classroom
The Physics Classroom: Light Waves and Color: Color Addition
Through illustrated example problems, and some interactive practice, students learn about color addition and color perception.
Illustrative Mathematics
Illustrative Mathematics: F Bf Building a Quadratic Function From F(x) = X^2
This is the first of a series of tasks aiming at understanding the quadratic formula in a geometric way in terms of the graph of a quadratic function. Here the student works with an explicit function and studies the impact of additive...
Annenberg Foundation
Annenberg Learner: Workshop 2: Making Writing Meaningful
Workshop 2 demonstrates how teachers use authentic sources and topics to prompt students to write about things that matter to them, subjects that relate to their lives, relationships, and communities. The topic may be the students -...
Math Playground
Math Playground: Math Monster Addition
An online game where students can make monsters appear by knowing their addition facts.
Illustrative Mathematics
Illustrative Mathematics: 2.nbt Saving Money 1
In this lesson plan students use strategies based on place value to add and subtract within 100.
Illustrative Mathematics
Illustrative Mathematics: Boys and Girls, Variation 2
Students are asked to solve a word problem with both addends unknown. They will write an equation and draw a picture to use to explain their answer.
Illustrative Mathematics
Illustrative Mathematics: Toll Bridge Puzzle
You are on a trip and need to cross a bridge, but you have to pay tolls in coins. Solve this puzzle by making your way to the island only using 100 coins.
OnlineMathLearning.com
Online Math Learning: Addition and Arrays (Grade 2)
A list of suggested activities for addressing CCSS 2.OA.C.4 where students work with arrays and repeated addition. Includes a problem for a 3X5 array and its solution in a video. [8:23]
Khan Academy
Khan Academy: Add and Subtract Fractions: Word Problems 2
Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
AAA Math
Aaa Math: Two Digit Addition Equations
Learn how to solve two-digit addition problems, and then practice the skill with interactive problems.
ReadWriteThink
Read Write Think: The Day Jimmy's Boa Taught Cause and Effect
Contains plans for five lessons that teach about cause and effect relationships using Trinka Hakes Noble's books about Jimmy and his boa constrictor. In addition to objectives and standards, this instructional plan contains links to...
Better Lesson
Better Lesson: We Are All a Happy Fact Family
Explore the relationship between addition and subtraction with this instructional activity. Help students understand that "every subtraction fact has a related addition number sentence, and every addition fact has a related subtraction...
PBS
Pbs: Logical Leaps: Adding Fractions and Decimals From 0 to 1 on the Vertical Number Line
In this interactive, use logic to solve riddles involving flea circus high jumps. Then, add two consecutive jumps and place them on a vertical number line. This often requires you to find equivalent fractions with common denominators....
ReadWriteThink
Read Write Think: Avoiding Sexist Language by Using Gender Fair Pronouns
Contains plans for two lessons that teach students how to avoid gender stereotyping while using pronouns. In addition to objectives and standards, this instructional plan contains links to sites used in the lessons as well as assessment...
Illustrative Mathematics
Illustrative Mathematics: 6 Sp.2,5d Electoral College
In addition to providing a task that relates to other disciplines (history, civics, current events, etc.), this task is intended to demonstrate that a graph can summarize a distribution as well as provide useful information about...
Illustrative Mathematics
Illustrative Mathematics: 5.md: Breaking Apart Composite Solids
This exercise helps students understand how volume in figured, even when two or more parts of a prism are not overlapping. There is a teacher view, with a description of the activity and commentary, and a student view, with just the...
ArtLex
Art Lex: Sculpture in the Round Making a Portrait in Clay
Artlex discusses two kinds of portraiture, caricatures and realistic portraits, as part of a lesson plan with step-by-step instructions on how to make a bust out of clay. An interesting game, "Who the Heck Is That?," asks the participant...
ReadWriteThink
Read Write Think: Guess What's in the Bag a Language Based Activity
Contains plans for a language activity called "Guess What's in the Bag." Students try to guess the object in a bag in order to develop descriptive language, listening, and problem solving skills. In addition to objectives and standards,...
Illustrative Mathematics
Illustrative Mathematics: G Gpe, N Rn, F Tf Coordinates of Equilateral Triangles
In this task, students are asked if there is an equilateral triangle ABC where two vertices are on the x-axis, and all vertices have integer coordinates. Aligns with G-GPE.B, N-RN.B, and F-TF.C.9.
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