Adding and Subtracting Decimals Math Project

Rated 4.82 out of 5, based on 3187 reviews
3.2k Ratings
Grade Levels
4th - 7th
Resource Type
Formats Included
  • Zip
  • Google Apps™
16 pages
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The Teacher-Author indicated this resource includes assets from Google Workspace (e.g. docs, slides, etc.).
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Your students are going to love shopping at The Math Market as they practicing adding, subtracting, and rounding decimals! This 14-page packet includes many engaging and authentic activities as well as and an authentic assessment that reinforce real-world concepts of rounding, adding, subtracting, and estimating sums and differences of decimals and whole numbers. This is a highly engaging set of activities that encourages critical thinking and takes adding and subtracting decimal practice beyond pure computation and into the real world!

Students use a full-color Math Market Ad to go on a shopping trip of their own and practice adding and subtracting decimals. This is an easily differentiated group of activities as, in many cases, students are choosing what they "purchase."

Bonus assessment includes a rubric as students shop through REAL ads with a budget they have been given. Answer Key and Assessment Rubric are also Included!

This project also includes DIGITAL ACCESS via Google Slides! Perfect for at-home learning or paperless practice.

What's included in this adding and subtracting decimals math project?

  • 'Market Math' printable version with 12 student pages
  • 'Lets Go Shopping' assessment page which uses real flyers!
  • Teacher instructions
  • Answer Key & Assessment Rubric
  • A digital, Google Slides, version!

What are teachers saying about this adding and subtracting decimals math project?

"This was a fantastic resource I used with my Grade 6 class during distance learning. It was engaging and a real-life scenario (shopping for groceries). The fact that it came ready-to-use with Google Slides was amazing. The text boxes made it easy for students to show their work and input their answers. Very little prep was required at all. Thank you for this great resource!" - Korey K.

"This was an amazing resources because the students were able to connect math to the real world. They made so many connections to their own life! " - Anna F.

"This activity was AMAZING for practicing adding decimals. My students loved getting to do something that put them in a real life scenario. It was great too because they related well to it. I highly recommend this activity when teaching or working with decimal computation." Morgan G.

You can buy this as part of my HUGE Decimals Bundle Pack !

More Decimal Resources to Get Excited About...

Adding and Subtracting Decimals Task Cards

Let's Go Shopping: Multiplying and Dividing Decimals Math Project

Decimals Task Cards

Total Pages
16 pages
Answer Key
Teaching Duration
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to see state-specific standards (only available in the US).
Read, write, and compare decimals to thousandths.
Read and write decimals to thousandths using base-ten numerals, number names, and expanded form, e.g., 347.392 = 3 × 100 + 4 × 10 + 7 × 1 + 3 × (1/10) + 9 × (1/100) + 2 × (1/1000).
Compare two decimals to thousandths based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.
Use place value understanding to round decimals to any place.
Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.


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