Illustrative Mathematics
An Integer Identity
Challenge algebra learners to use the difference of cubes to solve this problem. Once your charges have taken out the factor (a - b), combined the like terms and set them equal to zero, the problem becomes a factorable quadratic...
Illustrative Mathematics
Christina's Candies
Help Christina figure out how many chocolate and lemon candies she has with a lesson on decomposing numbers. When presenting this context to the class, the teacher chooses the total number of candies and the number that are chocolate,...
Orange Public Schools
Stagecraft
The house lights dim, the curtain parts, lights slowly come up, revealing the stage. Before the actors appear, before a word is spoken, the audience is drawn in by the lighting, by the colors, by lines of the set, by the props, and...
Curated OER
Number Manipulation
In this number manipulation worksheet, students solve 4 different types of problems that include number manipulation. First, they use division, multiplication, addition, or subtraction to make each set of numbers into equations which...
Curated OER
Explorations for the Area Probability Applet
Math whizzes use the area probability applet to manipulate the size of the circle and the rectangle to explore the probability that a point in the rectangle is also in the circle.
Curated OER
Fractions: Mud Pie Math
Second graders identify and name fractional parts through the use of mud pie manipulatives. In this fractional manipulatives lesson, 2nd graders identify and label halves, thirds, fourths, sixths, eighths, and tenths and order them...
Curated OER
Building Numbers to 50
Students explore how to represent numbers using cubes and draw them accordingly. They discuss place value and the base ten number system using manipulatives. Students roll a dice and take that many blocks. They write down their resulting...
Curated OER
Adding and Subtracting Integers
Middle schoolers use discs in order to add and subtract integers. There are manipulatives present so kinesthetic learners can access the curriculum. They also review the concept of the opposite of positive and negative numbers.
Curated OER
Base Ten Blocks Rods and Flats (A)
Using visual cues and hands on manipulatives are great for conveying concepts in a concrete way. Learners are given a set of rods, they break the set up into flats, then count the rods left over to determine an answer. There are 5...
Curated OER
Ordering Fractions Using Online Manipulatives
In this ordering fractions worksheet, 6th graders use an online manipulative to aid them in ordering fractions. They complete 5 problems using the bounded fraction pointer online.
Curated OER
Add Tens and Ones
Six story problems challenge young mathematicians to add single- and double-digit numbers. Manipulatives would come in very handy for primary graders tackling this worksheet. Some of the sums have addends as large as 25 and 33. Some...
Curated OER
Which Fraction is Bigger or Smaller?
Compare fractions with common numerators! Pupils look at fractions with different denominators and the same numerator to find which one is bigger. They look at hands-on manipulations of fractions to understand the concept of why one is...
Curated OER
Math: Sorting by Attributes
Students draw their version of a Squiggy following teacher modeling. They describe their Squiggies in a partner or small group setting and choose an attribute for a class Squiggy sort. Students discuss attributes of people and different...
Curated OER
Math Lesson Study Plan
Second graders find missing addends by solving math word problems. In this missing addend lesson, 2nd graders work in a whole group setting to find the missing addends in word problems before using the strategies to work independently....
Curated OER
1st Grade Math: Greater Than, Less Than
First graders participate in a variety of math activities that emphasize the concepts of greater than, less than, and equal to. They order numbers on the number line, compare numbers, create letters using numbers on a 1-100 number chart,...
Curated OER
Money Makes the Fair-Go-Round
Students explore the value of money. In this money lesson, students investigating combining amounts of money and making change. Students count sets of money and make fair trades. Resources are provided.
Curated OER
What's the Best Deal?
Students explore number sense by solving consumer math problems. In this pattern identification lesson plan, students analyze a list of numerical and geometric patterns while predicting the future outcome. Students utilize inference...
Curated OER
Modeling the Keeling Curve with Excel
In this modeling the Keeling Curve worksheet, students use given data beginning in 1960 to create a mathematical model for the changes in atmospheric carbon dioxide over time. Students manipulate the equation to predict the carbon...
Curated OER
Problem Solving
Fifth graders read and write equations. In this equation writing instructional activity, 5th graders use real life scenarios to write equations. Students use manipulatives, draw pictures and make tables to understand how to write...
EngageNY
Percent Increase and Decrease
Increase the percent of pupils that are fluent in solving change problems with an activity that asks class members to look at problems that involve either increases or decreases and to express the change in terms of the percent of...
EngageNY
Creating Division Stories
Create your own adventure story ... well, not really. The fifth lesson in a 21-part series has pairs create story contexts for division problems. The lesson presents a step-by-step process for pupils to follow in writing such stories.
EngageNY
Writing and Evaluating Expressions—Multiplication and Division
Don't table the resource on writing expressions for relationships in tables. Scholars investigate relationships between variables and write algebraic expressions involving multiplication and division. These expressions help solve...
Curated OER
Apple Addition Cards
Kids love games and manipulatives, they make learning math fun. Print this set of 10 cards and the attached markers. Learners use the cards as a game, where they count the apples of the card then place a marker on the correct answer.
Cornell University
Math Is Malleable?
Learn about polymers while playing with shrinky dinks. Young scholars create a shrinky dink design, bake it, and then record the area, volume, and thickness over time. They model the data using a graph and highlight the key features of...