Divison Pretest

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Objective

SWBAT show what they know about division prior to our Division Unit.

Big Idea

Students take a formal written test to show what they know about division, including: remainders, multi-step word problems, and place value understanding.

Opening: Anno's Multiplying Jar

10 minutes

To get kids to relax prior to the division pretest, I decided to read them Anno's Mysterious Multiplying Jar. This story is a wonderful way to talk about factorials. I read it to them and they ooed and ahhed about how the numbers progressed.  They love this book.

We discussed the ideas behind factorials and played a little bit in our notebooks, multiplying 1 x 2 x 3 and then 1x2x3x4 and so on. I let them use the calculators on their iPads so that they could just play with the numbers and see how the factorials multiply as in the book. We reviewed how the Associative Property works with the factorials and that they could be multiplied in any order, but that keeping them in order helped us organize the number sense of factorials. We discussed how the exclamation point is used to signify a factorial and how strange that seemed.