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Finding Length of Unknown Sides — Let's Practice!

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Finding Length of Unknown Sides — Let's Practice!
CCSS.MATH.CONTENT.3.MD.D.8

Basics on the topic Finding Length of Unknown Sides — Let's Practice!

Today we are practicing finding lengths of unknown sides with Razzi! This video contains examples to help you further practice and grow confident in this topic.

Transcript Finding Length of Unknown Sides — Let's Practice!

Razzi says get these items ready, because today we're going to practice finding length of unknown sides. It's time to begin! Find the missing side lengths of this shape. Pause the video to work on the problem, and press play when you are ready to see the solution! Nine plus nine is eighteen. Subtract eighteen from the perimeter. Twenty-six minus eighteen leaves eight. Both sides are equal in length, so divide eight by two. Eight divided by two equals four. Did you also get four units as your answer? Let's tackle the next problem! Find the missing side length of this shape. Pause the video to work on the problem, and press play when you are ready to see the solution! Six plus ten plus three plus five plus three equals twenty-seven. Subtract twenty-seven from the perimeter. Thirty-two minus twenty-seven leaves five. Did you also get five units for the missing side length? Let's tackle the final problem! Find the missing side length of this shape. Pause the video to work on the problem, and press play when you are ready to see the solution! Four plus six plus six plus three plus two equals twenty-one Subtract twenty-one from the perimeter. Twenty-eight minus twenty-one is seven. Did you also get seven units for the missing side length? Razzi had so much fun practicing with you today! See you next time!