Multiplying Whole Numbers

4.NBT.5

What the standard says...

Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/ or area models.

There are multiple strategies for multiplying! Check out the anchor chart below!

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Practice the "Box and Cluster" or the Array Model!

Click the button to watch a quick video and try out some problems!

Practice the "Lattice" multiplication strategy!

Click the button to watch a quick video and try out a problem!

Practice the "Partial Products" Strategy!

Click the button to watch a quick video and try out a problem!

Practice using the "Standard Algorithm" Strategy!

Watch the video and try out a couple of problems! This video will also be helpful for the game you'll play next!

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Get the materials for the game from your teacher!

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Your turn to TEACH someone!

Think back to the lattice video you watched- the student did a great job explaining the strategy right? Now it's your turn! Write a multiplication word problem and then pick a strategy to use while solving. You'll need to video yourself explaining the problem/strategy! I can't wait to see it!
Still need a little more practice?

Try solving these problems and use the QR code to check your work!