Clicking on this image will show it larger in a new window. Is there a general way to figure how much its going to cost you (and your friends) to go bowling? Should you pay per game? Or bowl per…

# Category: Number Sense

## Two 12s or one 18?

## Checking in on LeBron

## Huge diamond found in Canada

## New Horizons spacecraft just flew by a really distant asteroid

On January 1st, 2019, the New Horizons spacecraft passed close to Ultima Thule, a Kuiper Belt object that’s a billion miles beyond Pluto. That milestone marked the most distant celestial object that we have ever been able to see close-up. In this activity student do some rate conversions to try to understand the delay in knowing that the mission was a success.

## Will we be “in our prime” this year?

## Winter and holiday posts (16 great activities)

## How many lights should I buy for my tree?

## Wrapping presents on the diagonal

In this activity students determine if this method for minimizing wrapping paper is actually more efficient then the traditional method. For a hands on learning experiment, have students actually wrap a small rectangular prism using any available paper in both the traditional and diagonal methods. Then let them compare the two quantities of wrapping paper and decide which method uses less paper and by what percent.