Algebra 2 PARCC: imaginary number arithmetic
Doing arithmetic with imaginary numbers involving <em>i</em>, the square root of –1, is an algebra 2 skill and might be tested on PARCC.
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Algebra 2 PARCC: Spring rate of change
Finding the rate of change of a function (from a graph, table, or function) can be required on the PARCC algebra 2 test.
Algebra 1 PARCC: Where’s the parabola?
Graphing parabolas is expected on the PARCC algebra 1 test (and in many algebra classes). Can you graph a quadratic function?
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.
Algebra 1 PARCC: system of inequalities
Creating 2 equations in 2 unknowns to describe a set of conditions is a skill algebra 1 students need if they'll be taking the PARCC test this spring.
Algebra 1 PARCC: racing cars
How would you figure out (and explain) when one car, traveling at a given speed, will overtake another car that had a head start?
Algebra 1 PARCC: rewrite polynomial
Adding, multiplying, & subtracting polynomials is tested, quite thoroughly, on the PARCC algebra 1 test, used in Md. and some middle schools in IL.
Algebra 1 PARCC: solve literal equation
Solving equations for a variable of interest is required in algebra 1 on the PARCC test (and in the Common Core). Students find the radius of a circular pool.