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Making your first million

Students will attempt to identify the concept of a million by working with smaller numerical units, such as blocks of 10 or 100, and then expanding the idea by multiplication or repeated addition until a million is reached. Illuminations provides an activity... (Learn more)

Format: lesson plan (grade 3–5 and 8 Mathematics)

Provided by: Illuminations

Math Cats

Math never seemed so fun! Join the cool cats as they solve puzzles, think about problems, and apply math ideas to all sorts of situations in real life. Explore the online interactive math activities like... (Learn more)

Format: website/lesson plan

Provided by: Wendy Petti

Mixing In Math

This site offers 40 activities that can be used to teach and practice math skills during everyday routines. Activities are designed for use in after school programs, daily school routines, and at home for kids ages 5-13. (Learn more)

Format: website/lesson plan

Provided by: TERC

Modeling prizes

Children use pennies, nickels, dimes, and quarters to model amounts to 70 cents. Next they answer money puzzles and estimate the number of pennies in a jar. (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

More and more buttons

This Illuminations lesson is the fourth of an eight-part unit titled &dlquo;Begin With Buttons.” In this lesson, students use buttons to create, model, and record addition sentences. They also explore commutativity in addition contexts. This... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

More fun with fraction strips

In this lesson, one of a multi-part unit, students continue to work with fraction strips to compare and order fractions. This lesson builds on the work done with fraction relationships in the previous lesson. Students develop skills in problem solving and... (Learn more)

Format: lesson plan (grade 3–4 Mathematics)

Provided by: Illuminations

More or less estimator

This activity allows the user to estimate quantities and sizes including the number of objects in a set, the lengths of a curve, and the area of a shape (Learn more)

Format: activity/lesson plan (grade K–12 Mathematics)

Provided by: Shodor

Number cents: Looking back and moving forward

In this lesson, the last of a six-lesson unit from Illuminations, students discuss and model prices, review the money words they've learned, and play games to facilitate continuing practice. They add to their portfolio and listen to another children's book.... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

One, two, three--Go

In this lesson, one of a seven-part unit from Illuminations titled “Let's Count to 5,” after reviewing the numbers two and three, students construct and identify sets of one. They compare sets of one, two, and three objects, and then record... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Order, order

In this lesson, the first of a nine-part unit from Illuminations titled “Powerful Patterns,” students seriate objects and review the meaning of ordinal numbers. They describe orderings in words and in pictures. (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Parts of a square

Students investigate the ways shapes can be divided into equal pieces with one or two cuts. It provides a review of the following vocabulary terms: square, triangle, and rectangle; congruent, one-half, and one-fourth. The other lessons in this unit build... (Learn more)

Format: lesson plan (grade 3–4 Mathematics)

Provided by: Illuminations

Pattern block fractions

In this that lesson builds on the previous two lessons, students focus on the identification of fractional parts of a region and record them in standard form. Students continue to develop communication skills by working together to express their understanding... (Learn more)

Format: lesson plan (grade 3–4 Mathematics)

Provided by: Illuminations

The pizza palace

In this activity, students will construct box plots independently and will identify the mean, median, mode, and range of a set of data. Illuminations provides a handout, a link to the box plot tool, and detailed instructions for completing the lesson.... (Learn more)

Format: lesson plan (grade 3–5 Mathematics)

Provided by: Illuminations

Planning and making a mini-quilt

In this lesson, students create a quilt using three transformations (reflection, rotation, and translation) and then investigate the ways shapes can be colored to show “one-half” and “one-fourth.” They also locate lines of symmetry... (Learn more)

Format: lesson plan (grade 3–4 Mathematics)

Provided by: Illuminations

Post-office numbers

In this lesson, one of a five-part unit from Illuminations titled “Numbers and Language,” students participate in activities in which they focus on the role of numbers and language in real-world situations. Students discuss a picture of things... (Learn more)

Format: lesson plan (grade 3–5 Mathematics)

Provided by: Illuminations

Project Interactivate

Online tools and interactive applets to make math make sense to secondary students. (Learn more)

Format: website/lesson plan

Provided by: Shodor Foundation

Pyramid power

In this lesson, the third of a six-part unit from Illuminations titled “Food Pyramid Power,” students make sets of a given number, explore relationships between numbers, and write numbers that name how many elements are in a group. They make... (Learn more)

Format: lesson plan (grade K–2 Healthful Living and Mathematics)

Provided by: Illuminations

Shirts full of buttons

This lesson is one of an 8-part unit from Illuminations titled “Shirts Full of Buttons.” In this lesson students explore subtraction in the comparative mode by answering questions such as “How many more?” and “How many less?”... (Learn more)

Format: lesson plan (grade K–2 Mathematics)

Provided by: Illuminations

Sorting foods

In this lesson, the first of a six-part unit from Illuminations titled “Food Pyramid Power,” students visit a website to play a game related to the food pyramid and sort foods using the categories of the food pyramid. They also create sets up... (Learn more)

Format: lesson plan (grade K–2 Healthful Living and Mathematics)

Provided by: Illuminations

Sports numbers

In this lesson, one of a five-part unit from Illuminations titled “Numbers and Language,” students participate in activities in which they focus on the role of numbers and language in real-world situations. Students look at an activity sheet... (Learn more)

Format: lesson plan (grade 3–5 Mathematics)

Provided by: Illuminations