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# Math

### Algebra 2 PARCC: Factor an unknown polynomial

How can you factor a polynomial when you don’t even know what the polynomial is? Well, you can’t, but you can know a few things.

### Babies found to have a sense of ‘most likely’

Infants might have some ability to estimate probability, at least when it’s not too hard to estimate the likelihood of an event.

### Canadian immigrant kids’ learning at risk

Childhood immigration in Canada, esp. with rising refugees there, has sent educators looking for answers on how to best educate them.

### A computer might help count human cell types

A computer program from Belgium may help scientists understand why the 30 trillion cells in a human body have so many different types.

### 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.

### Geometry builds a new house, even in a tree

Math and CTE students in IL and Texas are using geometry to build houses—some for living in, some for climbing in, as in tree houses.

### ACT math practice: business sales algebra

Given a few facts about the total sales at a business over 3 years, can you find the basis sales figures using algebraic manipulation?

### PARCC 8th-grade math: infinite solution set

On the PARCC 8th grade math test, students will be required to analyze systems of equations and determine if there are no, 1, or infinitely many solutions.

### Boys or girls, we get good at what we practice

We can deny it, but test after test (whether valid or not) shows boys score well in higher math and girls in elementary reading. What to do?

### Stats can link higher ed access, voting patterns

Unemployment rates and access to a university education can influence the way certain areas vote, one study about Brexit has shown.