Find engaging media and integrated activities, all aligned with the Common Core State Standards in Mathematics. Designed using a culturally and historically responsive approach to engage diverse middle school students through grounding...

Find the center and radius of a circle given the equation in standard form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This task asks students to apply the concepts of multiples and common multiples in an abstract context. Aligns with 6.NS.B.4.

A collection of PDFs detailing the mathematical content emphasized in the Standards by grade level. These can be used as guides to inform instructional decisions regarding time and other resources. Available as single-grade PDFs, or as a...

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).

The Mathematics Assessment Project aims to bring the Common Core State Standards (CCSSM) to life in a way that will help teachers and their students turn their aspirations for achieving them into classroom realities. The project's free...

Blossom and Snappy discover a new window that Robbie put in the garage and decide to measure it. They discover the difference of standard measurement and non-standard measurement while making candies and during their visits to McDonald's...

Explore standards by grade and category.

A tutorial to understand the three central tendencies and how to find them, as well as the standard deviation of values. Offers a discussion and practice problems.

Teachers address the practice of visiting other classrooms to observe student argumentation and criticism in mathematics. [1:19]

Use this tutorial to learn what imaginary and complex numbers are, how to write them, and how to perform operations with them. Offers step-by-step examples, video explanations of the examples, and practice questions with answers.

Mila is comparing fruits at the fruit market. Join her on this adventure!

Students locate fractions greater than one on the number line. Aligns with 3.NF.A.2. or CCSS.Math.Content.3.NF.A.1 Standard 2. Understand a fraction as a number on the number line; represent fractions on a number line diagram....

The purpose of this task is to assess whether students understand fractions as being built from unit fractions and whether they can accurately locate fractions on the number line. Aligns with 3.NF.A.2/CCSS.Math.Content.3.NF.A.1 Standard...

Plot and spot fractions on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NF.A.1 Standard 2. Understand a fraction as a...

Students find which number is closest to 1/2. Aligns with 3.NF.A.2/CCSS.Math.Content.3.NF.A.1 Standard 2. Understand a fraction as a number on the number line; represent fractions on a number line diagram.

Use unit fractions to think about the location of other fractions on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NF.A.1...

Students find which is closer to 1 on the number line, 4/5 or 5/4. Aligns with 3.NF.A.2/CCSS.Math.Content.3.NF.A.1 Standard 2. Understand a fraction as a number on the number line; represent fractions on a number line diagram.

The purpose of this task is for students to solve problems involving the four operations and draw a scaled picture graph and a scaled bar graph to represent a data set with several categories. Aligns with 3.NBT.A.2;...

Locate 1 on a number line labeled with 0 and a unit fraction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NF.A.1 Standard 2. Understand a...

This task shows an equation that elicits key misconceptions around equations and division. Aligns with 3.OA.A.4 and CCSS.Math.Content.3.OA.A.4 Determine the unknown whole number in a multiplication or division

The purpose of this task is for students to measure lengths to the nearest eighth and quarter-inch and to record that information in a line plot. Aligns with 4.MD.B.4 and CCSS.Math.Content.3.MD.B.4 Generate measurement data by measuring...

Students explore different rounding scenarios. Aligns with CCSS.Math.Content.3.NBT.A.1 Use place value understanding to round whole numbers to the nearest 10 or 100.

This is a rectangle subdivision task; ideally instead of counting each square. students should break the letters into rectangles, multiply to find the areas, and add up the areas. Aligns with 3.MD.C: CCSS.Math.Content.3.MD.C.6 Measure...