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Standards-based assessment and Instruction

21st Century Math Skills, K-5

This program includes a collection of performance materials based on 21st century math concepts and skills. 350+ problem-solving tasks are organized by rich Units of Study, inspired by the NCTM Focal Points and leading state standards.

To view a sample task, please select from the grade levels below.

Grade Level Sample tasks
Grade 1
Grade 2
Grade 3
Grade 4
Grade 5
Sign up for a free 30-day Trial to access 30 tasks, student anchor papers and scoring rationales as well as the Exemplars math assessment rubric!


Contact us with your K-5 student population for a price quote.

Our teacher-friendly tasks are designed to support both the Common Core and Citywide instructional expectations. GO Math! alignments are also available.
Set up your FREE 30-day Trial today!

Explore our latest K-5 math material and begin using it in your classroom.
Set up your FREE 30-day Trial today!

Here's What People Are Saying

Deb [the presenter] was so interesting, inspiring and encouraging – helped me feel as though I could truly do this in my classroom. My students will really benefit from this approach to learning.

K. Dietz

Kindergarten Teacher

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