Illustrative Mathematics
Find the Change
This exercise is an opportunity for algebra learners to understand the connection between the slope of a line and points found on the line. Use similar triangles to explain why slope m is the same between any two points. Discuss with the...
Curated OER
Looking at Circumference
Students understand where the number for pi comes from. They understand and use the formula for circumference. Students measure the circles given out and the diameters of those circles and record the results on their worksheet.
Curated OER
Dental Detectives
First graders explore the theme of dental health and hygeine. They make tooth loss predictions, count lost teeth, and graph tooth loss. In addition, they listen to dental health stories, read online stories, create spreadsheets, and play...
Curated OER
Cubed Containers
Learners explore volume in relation to centimeter cubes and other nonstandard units of measurement using small containers. They will use hands-on materials to practice this concept. You will need small objects and containers to set this up.
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Modeling the Electromagnetic Spectrum
Learners construct a model of an electromagnetic spectrum using play-doh and string. They use exponents and plot the radio/microwave, infrared, and visible bandwidths of the spectrum.
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Family Quilts Keep us Warm
Students explore families and culture. In this family and culture lesson, students discuss their families and their similarities and differences. Students read the book The Keeping Quilt by Patricia Polacco and create their own quilt...
Curated OER
Scale/Ratio
Investigate the use of ratios in scale drawings. Learners scale objects up or down using ratios then find the actual size of something using ratios. They apply their knowledge of ratios as they make their own telescopes in science...
NY Learns
Investigation - Looking at Polygons
Middle schoolers construct polygons by plotting points on a coordinate plane. Pupils connect the points and identify which polygons they have drawn. They will need graph paper to carry out the assigned activities. A vocabulary list,...
National Security Agency
Money Maters: Integers are Integral!
A thoroughly-written lesson plan and a plethora of worksheets about integers comprise this resource. Neophyte number crunchers learn to recognize integers, add and subtract them, and apply the concepts to the designing of a personal...
Curated OER
Multiplication: Bugs Can Multiply, So Can I!
Develop multiplication skills with your class. Youngsters will visualize multiplication as repeated addition. Then they will create a multiplication bug book and discover arrays as a strategy for multiplication problem solving....
Rational Number Project
Rational Number Project: Initial Fraction Ideas
Deepen the fractional number sense of young learners with this introductory lesson on equivalent fractions. After completing a short warm-up activity, children go on to work in pairs using fraction circles to complete a table of...
Curated OER
Read My Bar Graph!
Elementary schoolers make and use bar graphs to picture information. They learn how choosing the right scale for a bar graph can help make a persuasive argument. This is a terrific lesson on graphing which should excite your kids. There...
Illustrative Mathematics
The Florist Shop
A real-world approach to common multiples asks learners to find different groups of flowers based on their multiples. Useable as a class activity or independent exercise, they will have to organize their thoughts to explain the totals of...
Illustrative Mathematics
Puzzle Times
Give your mathematicians this set of data and have them create a dot plot, then find mean and median. They are asked to question the values of the mean and median and decide why they are not equal. Have learners write their answers or...
Curated OER
Lily's Crossing
Middle schoolers listen to a story, "Lily's Crossing," about life during a World War. After completing worksheets, they compare and contrast characters in the story. Using math skills, students develop a time line of the war, calculate...
NASA
Solar System Scale & Size
Use a variety of whole fruits to represent the different planets in the solar system to introduce scale sizes to your math or space science class. They follow suit by creating a non-scaled model of the solar system using specific-colored...
Curated OER
The Golden Rectangle
Students explore the concept of the golden ratio. In this golden ratio instructional activity, students measure objects to determine if their measurements fit the golden ratio. Students calculate the average measurements of the class.
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Inchworm
Students discover the basic concept of measuring. In this mathematics relationship instructional activity, students identify length, volume, weight, time and area in order to measure different units. Students measure items...
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.
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Roll a Decimal
Third graders take turns rolling the die, and selects an appropriate place to put the digit that was rolled in order to create a number with the largest value possible. They compete by trying to roll the highest valued number with the die.
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Is This Fair?
Students discover how to convert fractions to decimals and percents. They play the role of a shopper to complete this activity.
Curated OER
Number Properties-Know'em, Like'em, Use'em
Ninth graders explore mathematical properties through the use of an advertising jingle. They produce a commercial that is digitized and presented to the class. Students write a jingle that simplifies each property and helps classmates...
Curated OER
More or Less Than
Learners practice completing equations with the less than or more than symbol. They use index cards to create the equations. They compete with other groups to get the most correct.
Curated OER
Identifying Place Value
Third graders complete math problems. In this place value instructional activity, 3rd graders solve problems that require them to write the place value of a number in expanded form and identify the place value and expanded form of...