Find The Area of a Triangle

Do you need an activity that your students can use to sharpen their area skills? This downloadable match-up activity will give your students plenty of practice with using the area of a triangle formula and calculating the space inside each figure. Students will determine the area of different figures and match them with their corresponding areas. The included cards use whole numbers, decimals, and fractions.

This resource comes with the following:

• A directions page
• 36 cards (18 triangle figures and 18 cards with the area)
• Recording sheet
• Answer key

Tips for Differentiation + Scaffolding 

A team of dedicated, experienced educators created this resource to support your math lessons. 

In addition to individual student work time, use this match-up activity to enhance learning through guided math groups or whole class lessons.

If you have a mixture of above and below-level learners, check out these suggestions for keeping students on track with the concepts: 

🆘 Support Struggling Students

For students who need additional support, provide them with a multiplication chart to help with basic facts. Additionally, you could limit the number of cards they are required to match or only use the whole number cards.

➕ Challenge Fast Finishers

If students are looking for a challenge, encourage them to create triangles with different measurements but with the same area.

Easily Prepare This Resource for Your Students

Use the dropdown icon on the Download button to choose between the PDF or editable Google Slides version of this resource. A recording sheet and answer key are also included with this download.

Print on cardstock for added durability and longevity. Place all pieces in a folder or large envelope for easy access. 

Sustainability Tip: Print a few recording sheets on cardstock and slip them into dry-erase sleeves. Students can record their answers with a whiteboard marker, then erase and reuse them.  

This resource was created by Cassandra Friesen, a teacher in Colorado and a Teach Starter Collaborator. 

Don’t stop there! We’ve got more activities and resources that cut down on lesson planning time:  

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