Hot Topics

# Math

### For early math, let kids count on their fingers

Should kids be taught to count on their fingers when figuring out simple arithmetic? New research suggests the pedagogical tool may be good after all.

### Hillcrest applies quadratic equation to bottle rockets

Students at a suburban IL high school calculated how high launches took their bottle rockets during an outdoor class earlier this month.

### Algebra 1 PARCC: graphing inequalities

Graphing the solution to a system of linear inequalities is likely to come up on the PARCC test in algebra 1. Are you ready?

### Algebra 1 PARCC: home price stats

Measures of central tendency and the spread of data, including outliers, will come into play as students take the PARCC test in algebra 1 this spring.

### Math models can predict dropout rates

As the number of classes students fail goes up, so do the chances they’ll drop out, a new mathematical modeling approach has found.

### Math could help us understand our bodies, disease

Scientists from Berkeley and Mich. develop a model from a math perspective for how genes are expressed in different cells at different stages.

### 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.

### Trump seeks ‘repeal’ of so-called Common Core

What did Kellyanne Conway mean when she said the president was planning to “repeal” the Common Core State Standards?