Illustrative Mathematics
Finding Areas of Polygons, Variation 1
An exercise in finding the area of polygons by decomposing into triangles and composing into rectangles is the focus of this resource. Make several copies of the worksheet for each participant. Ask learners to use colored pencils to...
Mathematics Vision Project
Module 2: Systems of Equations and Inequalities
The brother-sister pair Carlos and Clarita need your class's help in developing their new pet sitting business. Through a variety of scenarios and concerns presented to the siblings, the learners thoroughly explore systems of equations...
Laura Candler
Fishbowl Multiplication
Transition young mathematicians from using repeated addition to multiplication with this fun, hands-on activity. Using manipulatives and the included game board, students work in pairs modeling repeated addition problems before...
Illustrative Mathematics
Similar Circles
Young geometers flex their transformation muscles in this brief but powerful exercise using dilations and translations to develop the similarity of circles. The plan provides guidelines to help learners navigate a pair of...
Curated OER
Find 1
Extend your class's ability to represent unit fractions on a number line with this challenging worksheet. Given two number lines, one labeled with zero and 1/4, the other with zero and 5/3, students must accurately locate the number one...
Inside Mathematics
Coffee
There are many ways to correlate coffee to life, but in this case a worksheet looks at the price of two different sizes of coffee. It requires interpreting a graph with two unknown variables, in this case the price, and solving for...
Illustrative Mathematics
Centerpiece
Learners hear wedding bells in this problem set, as they help a fictional bride plan the centerpieces for her wedding reception. Algebra is married to geometry as volume, aesthetics, and budgeting all come into play. Learners are...
Education Development Center
Adding Fractions with Unlike Denominators
If the fractions don't have a common denominator, make them have one. Learners first read and analyze a conversation of pupils trying to add 2/5 and 1/2. They compare the process of adding fractions to the process of adding quantities...
Illustrative Mathematics
Banana Bread
Show your future bakers how to choose the right baking pan by calculating the volume of a pan. The resource compares two pans, one with decimal edge lengths and is too small for the recipe and one that may work. Your number crunchers are...
Bowland
Fashionista
So trendy! Show your class how to identify trends in sales patterns using mathematics. Scholars use a software simulation to collect data on age groups, price, and sales at a fashion store. This data allows individuals to determine the...
Bowland
Mobile Phones
Cheaper cell phone bills? Learners compare two different cell phone plans for a specified number of minutes of phone usage each day. They also determine the conditions for which one plan is cheaper than the other.
Rational Number Project
Initial Fraction Ideas Lesson 18: Overview
Develop young mathematicians' ability to compare fractions with investigation into the number 1/2. After brainstorming a list of fractions equivalent to 1/2, children identify a pattern in the numerators and...
Mathematics Vision Project
Module 7: Connecting Algebra and Geometry
The coordinate plane links key geometry and algebra concepts in this approachable but rigorous unit. The class starts by developing the distance formula from the Pythagorean Theorem, then moves to applications of slope. Activities...
Balanced Assessment
County Concerns
Apply area concepts to help farmers and settle county disputes. Scholars use a given diagram and information about an insecticide spraying campaign to determine the monetary benefit to farmers. They then decide which of two counties has...
Curated OER
Two Halves Make a Whole
In this whole and parts worksheet, students study the shapes that each have a line of symmetry. Students draw the missing half so that each half is the same. Students then write if a diamond has more than 1 line of symmetry.
Curated OER
Percent Box
Students examine the procedures to determine a number when the percentage of the whole is known or to find the whole number when the part or percentage is known.
Curated OER
Technology Lesson Activity: Fractions
Fifth graders practice using the English measuring system by creating fractions. In this parts of a whole lesson, 5th graders combine math key bars to simulate small parts of a bigger item. Students combine the pieces to...
Curated OER
Mental Subtraction Methods
In this subtraction activity, students subtract problems using mental math methods such as tens groups, comparing problems, helping numbers, and more. Students complete 7 sets of problems.
Curated OER
Order Your Numbers
Students examine the order of whole numbers that range from 0 to 1,000. They compare and contrast the quantities of different numbers using the number line, objects, and symbols of comparison. Students also work as a class with cards to...
Curated OER
Internet Field Trip on Fractions and Geometry
Learners take an Internet field trip to research fractions. ESOL strategies include using pattern block manipulatives and pairing ESOL and non-ESOL students on computers.
Curated OER
Divide and Conquer
Seventh graders analyze responses to different types of problems. Using pictures and diagrams, they explore and model the division of fractions. Students examine situations that call for division whether with the whole numbers or with...
Curated OER
Number and Number Relations: Lesson 2
Fourth graders participate in using the terminology of more, less, between, compare, and order. They compare whole numbers and use the symbols for <, >, =. They order whole numbers and practice with problems where they use this...
Curated OER
Number and Number Relations: Lesson 3
Eighth graders compare whole numbers and decimals. They use symbols for <, >, =, and order whole numbers and decimals. They practice the meaning of positive and nugative integers by using them to describe real-world situations.
Curated OER
Little Mouse, the Red Ripe Strawberry and Big Hungry Bear Lesson Plan
Students create a fruit salad using pieces of fruit cut in halves. In this early childhood lesson plan, students discover the concept of half and whole. Students experience this concept in a hands-on activity in which they cut fruit...