Adding Decimals and Subtracting Decimals Unit for Guided Math Workshop


This lesson plan unit focuses on adding and subtracting decimals to the hundredths place in the guided math workshop model using both strategies and the traditional algorithm. Strengthen your students’ addition of decimals and subtraction of decimals with the lessons in this unit. It includes an array of strategies to reach all learners, as well as different forms of assessment, enrichment, remediation, and more!

File Type

PDF (Acrobat) Document File

Be sure that you have an application to open this file type before downloading and/or purchasing.


This Product Includes

✓ Split strategy (AKA: partial sums, expanded forms, or decomposition) for adding and subtracting decimals
✓ Jump strategy (AKA: counting on, counting back, or use of a number line) for adding and subtracting decimals
✓ Shortcut strategy (AKA: compensation or friendly numbers) for adding and subtracting decimals
✓ The traditional algorithm for adding decimals
✓ The traditional algorithm for subtracting decimals
✓ Subtracting decimals with zeroes (along with a shortcut method to assist students who struggle)
✓ The relationship between addition and subtraction of decimals
✓ The properties of addition
✓ Estimating sums and differences of decimal numbers

With This Product You’ll Get:

✓ Pre-test and post-test
✓ Vocabulary cards for your word wall or practice
✓ Anchor charts
✓ Detailed mini-lessons with hands-on lessons – (concrete, semi-concrete, and some abstract)
✓ Worksheets for practice
✓ Task cards
✓ Games (or math center)
✓ Remediation and enrichment activities
✓ Answer keys
✓ Mini-assessments (ticket out the door, etc.)

While I recommend printing in color and laminating materials for future use, it is not necessary. These materials print just fine in grayscale.These lessons are perfect for tutors, paraprofessionals, volunteers, and substitutes! They are low prep, too!

With 15 complete lesson plans in this unit, that’s less than a dollar a day for everything you need–worksheets, centers, scripted lessons, vocabulary, and much more! It’s definitely worth the value!

This unit plan is perfect if you have always wanted to implement math workshop but weren’t sure how or just starting out! This unit plan saves you time! Take back your weekends without sacrificing quality teaching!



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