3 Act Math Popsicle Sticks

Act 1 

How many sticks? 

What is an estimate you know is to low?  What is an estimate you know is to high? 

Act 2

We put 100 in a bundle and the rest are still on the table. 

Now there are 200 that have been bundled and the rest are still on the table. 

Do you want to adjust your estimate? 

Here is what 300 looks like! 

Here is what 400 looks like! 

Make your final estimate! 

Act 3

How much were you off by? 

Let's talk about SUBTRACITON!!!!

 All over the school kids have been having subtraction number talks!  Can you find a poster or some work done by your class?!  What do you notice about how strategies work with different size numbers? 

Do you have evidence of subtraction strategies from your classroom?!  Take a picture and email it to Mrs. Trudo so she can share it with everyone! 

Multiplication Strategies

 The fifth graders have been working hard to develop a toolbox of strategies for solving multi-digit multiplication problems.  Here are their mini posters featuring some of the strategies they have been practicing.