# Archive for March, 2015

## Subtracting Across Zeros

Here is a great method for subtracting across zeros.

Happy Mathing,

Dr. Nicki

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## Don’t miss the preview! Number Talks 4-10

There is a great new book called “Making Number Talks Matter” that Stenhouse is previewing for a short while! Look at it now!  All I can say is “wow” “fantastico” “magnifico”!!! One of the authors, Ruth Parker” is the person that co-theorized Number Talks with Cathy Richardson. Check it out today!  The preview won’t last long.

Happy Mathing,

Dr. Nicki

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## Assessing math vocabulary

Assessing math vocabulary is important because math is a language and if you don’t know the words, you will have difficulty speaking it.  Here are a couple of good links on making vocabulary assessments.

Link 1 (scroll to the bottom of the page for a list of ideas)

Also remember that Math Spelling City gives math vocabulary tests online and lets the students print them out!

Happy Mathing,

Dr. Nicki

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## Multiple Ways

It is better to solve one
problem five ways than
to solve five problems
one way.

~ George Polya

Happy Mathing,

Dr. Nicki

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Videos are a great way to get students to think.  Good ones keep students engaged and teach. Here is a great video about triangles by Grover and Rita.  It’s funny, well-done and pushes on students’ narrow conceptions of geometric shapes.  It is a great springboard into a discussion about attributes!

Grover and Rita present triangles.

Here is also a great song about triangles (more upper elementary).

Triangular Triangles

Happy Mathing,

Dr. Nicki

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## Teaching Number in the Middle

Strategy work is important.  Here is a great approach when teaching double plus 2 facts.  You can begin teaching these facts in first grade towards the end of the year, but really it is often a 2nd grade strategy. Some people call this Monkey in the Middle, while others just call them 2 apart facts.  I like calling it Monkey in the Middle — it is kid friendly.  The kids tend to remember it. See these links to get started: