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Vertical addition (m3.nbt.2) math practice

3rd grade, numbers and operations in base 10, 2, 3-digit vertical addition practice problem

Rubber ducks (m3.oa.1) math practice

3rd grade, operational and algebraic thinking, 1, rubber ducky modeling practice problem

Right after adoption, test scores on computer lower

In the first year that students in Mass. took the PARCC test online, their scores dropped due to the so-called "mode effect."

Algebra 1 PARCC question: shirts and ties

Solving systems of linear equations (2 equations in 2 unknowns) comes up in many algebra 1 classes across the nation.

Algebra 2 PARCC: imaginary number arithmetic

Doing arithmetic with imaginary numbers involving i, the square root of –1, is an algebra 2 skill and might be tested on PARCC.

Algebra 1 PARCC: a little salsa

When it comes to constraints on real-world systems, nothing does the trick like linear algebra. Here, a factory makes and packages salsa.

PARCC algebra 2: write quotient as binomial

Multiplying binomials is a skill with many applications. With PARCC, it can be tested by asking students to find the quotient of 2 binomials.

PARCC Algebra 2: Modeling a delivery route

We sometimes need to develop mathematical models for costs we incur in our jobs or in daily life. Here's one way to do just that.

PARCC Inc. is dissolved

The manager of standardized tests used extensively in IL and Md. dissolved as of today. The tests will continue for now.

Testing on computer sometimes affects your score

For elementary and middle school students, computer test-delivery platforms that don't allow them to return to previous questions could lead to lower scores.