Guide young mathematicians through the crazy world of negative numbers with a handy reference document. Offering clear instructions for adding and subtracting positive and negative integers, this resource is a great way to...

So current with preteens is the topic of downloading tunes into their computers! In a relatable lesson, viewers are taught to figure out if Zoe can afford to purchase two songs if she has $3.00 left to her credit. Mia talks them through...

This dreamy resource has little ones computing the change on the purchase of an ice cream cone. Mia describes each step in two methods: subtraction of decimals and counting up from the sale price.