National Council of Teachers of Mathematics
The Math Forum: Geoboard Activities
Math Forum provides a set of links to sites that are related to geoboard activities. There are several great links to lessons using geoboards. The links provide insight into how to use them, including how to perform various measurements...
Illustrative Mathematics
Illustrative Mathematics: 6.ns Multiples and Common Multiples
This task asks students to apply the concepts of multiples and common multiples in an abstract context. Aligns with 6.NS.B.4.
Better Lesson
Better Lesson: Using a Pattern to Solve a Problem
Patterns are prevalent in all levels of math. Common Core Standards expect students to be able to use structure - like that found in repeating the patterns of odd and even numbers or counting by 5s or 10s - to solve problems (MP7).
National Council of Teachers of Mathematics
The Math Forum: Paper Folding Activity
This is a lesson plan of paper folding as a method of proof. A Java applet version of the activity can be accessed, giving the actual lengths and angle sizes.
Better Lesson
Better Lesson: Time and Money
As the result of a Unit assessment, it was found that students showed some confusion with writing time and with adding sets of coins. These skills need to be reviewed to aid in mastery of the Common Core standards for time and money.
Better Lesson
Better Lesson: More Dimes and Dollars
Second graders need practice using coins and dollars and relating them to ones, tens and hundreds. Common Core standards include counting by 10s and 100s.
Better Lesson
Better Lesson: Balancing and Comparing Data
The connection between subjects is an important one to establish for students. Communicating across subjects is part of the Common Core expectations.
Better Lesson
Better Lesson: Our Understanding of Numbers
This lesson is an informal assessment of student understanding of the base ten system, a critical area in the Common Core.
Better Lesson
Better Lesson: We Can Guess the Number
Understanding place value is critical to the Common Core Standards for second grade. Without a concrete understanding, 2nd graders may not fully grasp the meaning of the digits.
Better Lesson
Better Lesson: Moving Along in Hundreds
The Common Core standard is that students understand that the numbers 100, 200, etc. represent so many groups of 100.
Writing Fix
Writing Fix: Summarizing Mathematical Learning With the Important Book
In this lesson plan, The Important Book by Margaret Wise Brown is used as a mentor text. Students will create an illustrated paragraph about a particular math topic. Students will use the mentor text and attempt to adapt the author's...
Better Lesson
Better Lesson: Building Shapes Review of 2 D Shapes
What do students love more than building? Building with marshmallows! In this lesson, students get to build shapes with marshmallows and toothpicks. Included are an extensive lesson plan, a video showing examples, a worksheet, and ideas...
CPALMS
Cpalms: Dollars for Density
This is a guided inquiry activity in which students use simple lab procedures and discussions to develop and apply the concept of density. Students collect and graph data which they use to explore the relationship between mass and...
Better Lesson
Better Lesson: Solving Linear Equations in Two Variables
This MAP Classroom Challenge provides young scholars with an engaging and thought-provoking activity about notebooks, pens and cash registers to learn about solving equations in two variables. Includes assessment materials, student...
CPALMS
Cpalms: Creating Shapes in Our World
[Free Registration/Login Required] In this lesson, students will work with 3-Dimensional shapes identifying attributes of the shapes and recreating them. Students will create, identify and describe 3-Dimensional shapes as part of the...
CPALMS
Cpalms: Exploring Cavalieri's Principle
[Free Registration/Login Required] In this lesson, students use the geometry program GeoGebra to explore Cavalieri's Principle, specifically to investigate whether it applies when calculating the volume of oblique solids. Lesson includes...
CPALMS
Cpalms: Building Graduation Caps
[Free Registration/Login Required] In this lesson, students build geometric models of graduation caps using stiff paper. The activity requires the application of skills in finding surface area, understanding similarity, knowing the...
Illustrative Mathematics
Illustrative Mathematics: N Q Giving Raises
A small company wants to give raises to their 5 employees. They have $10,000 available to distribute. Imagine you are in charge of deciding how the raises should be determined. What method would be fair to everyone? Aligns with HSN-Q.A.2.
Illustrative Mathematics
Illustrative Mathematics: N Cn Complex Distance
In this problem, you will compute some values related to the complex numbers 2 + i and 5 - 3i. Aligns with N-CN.B.6.
Illustrative Mathematics
Illustrative Mathematics: A Rei Solution Sets
For this task, students are shown the graphs of two equations, with areas bounded by their lines and intersections shaded in different colors. They are asked to write a system of equations or inequalities for each shaded area and explain...
Illustrative Mathematics
Illustrative Mathematics: A Sse Increasing or Decreasing? Variation 1
This task asks students to examine an expression that has a denominator represented by the addition of two fractions. Each of those fractions has a denominator that is a variable. They are asked to analyze the structure of the expression...
Illustrative Mathematics
Illustrative Mathematics: 6.sp Buttons: Statistical Questions
A task asking students to determine which of the six questions listed are statistical questions and which are not. Students are then asked to write a statistical question of their own.
Illustrative Mathematics
Illustrative Mathematics: Grandfather Tang's Story
The purpose of this task is for students to compose two-dimensional shapes to create a composite shape using tangram pieces. The teacher will read "Grandfather Tang's Story" and the students will use tangrams to compose the animals from...
Illustrative Mathematics
Illustrative Mathematics: G Co When Does Ssa Determine Triangle Congruence?
For this task, we are told that two triangles share two sets of congruent sides and one pair of congruent angles and that these two triangles must be congruent based on the reasoning given. Students are asked to analyze this reasoning to...
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