Teaching algebraic math patterns in 4th grade is always one of my favorite units of the year. I don’t know if it’s the logic involved or the fact that our brains just like patterns (or maybe it’s a welcome break after weeks and weeks of fractions and mixed number operations-whew!). Not only are math patterns fun but the algebraic patterns we introduce in 4th grade make it a foundational unit for the more advanced math concepts students will tackle in middle school.
My favorite way to teach algebraic math patterns is with a Google Slides digital math unit where students can explore patterns and rules in an engaging, interactive way. Each lesson in this unit is designed to make abstract concepts concrete and approachable, with hands-on drag-and-drop activities that keep students actively involved in their learning.
From identifying and continuing patterns to working with function tables and determining rules, this unit covers everything you need to help your students become confident in recognizing and extending patterns. Plus, the end-of-unit review and assessment make it easy to check for understanding and ensure your students are ready to tackle the next challenge! Let me walk you through each day’s lesson.
Lesson 1: Continue Math Patterns Involving Addition and Subtraction
Digital math units that include teaching anchor charts like the one are a great addition to the traditional classroom, but they are also versatile enough for students to use independently. The anchor chart below is how we start our week of math patterns by focusing on growing and shrinking patterns that involve addition, subtraction, or a combination of both.
As with all the daily anchor charts in this unit it “shows” and “tells” students how to approach growing and shrinking patterns by giving visual models and written explanations to accompany them. Once students read and learn about growing and shrinking number patterns its time to put the new skills into practice.
In the activity called Peacock Patterns students will drag and drop peacocks holding the numbers that complete each pattern specified at the beginning of the row. In the activity titled What’s My Rule? students will analyze an addition-subtraction pattern and drag and drop the matching rule to each set of numbers. This math pattern activity includes addition-only rules, subtraction-only rules, and patterns that include a combination of addition and subtraction.
As with each lesson in this math patterns unit, students will complete a digital worksheet that serves as extra practice for the and an opportunity for teachers and parents to formatively assess how well students have understood the concept of the day.
Lesson 2: Follow Algebraic Math Pattern Rules Using Multiplication and Division
Once students get the hang of addition and subtraction math patterns, it’s time for them to extend that same type of logical thinking to include multiplication and division math patterns. This is also the perfect time to introduce function tables, also called input-output tables, and the lesson 2 anchor chart does just that.
Once again, students get to practice the new math patterns skills with a drag-and-drop activity. The first practice activity, Backyard Algebra, lets students complete two bug-themed pattern tables by dragging number cards to the correct spot on the table. One table requires students to multiply to find the correct answer, while the other requires division to complete the math pattern.
The next three slides allow students to practice further with input-output tables.
Each slide includes two function tables and a rule to follow for each table. One table will require multiplication and the other will require division to complete the pattern.
Once again the math patterns lesson wraps up with a digital worksheet for multiplication and division math patterns and using input-output tables.
Lesson 3: Determining and Writing Pattern Rules
Up to this point, students have been giving the rule for a function table and simply asked to continue the math patterns. Now its time for them to analyze tables and determine the rule that is table is following.
Students will start by reading and learning from the digital anchor chart that leads them through the guess and check process for determining pattern rules. Then it’s time to put the new learning into practice with interactive practice.
The first activity asks students to analyze the information in a function table to determine the rule and then complete the table by filling in the missing numbers. The next three slides are all similar, so students have plenty of opportunity to practice or you can pick and choose as much or as little practice as you want.
In these Rule Breakers activities students will analyze each table to determine the pattern rule for the table, but they will also be analyzing the tables for an error. Each table includes one row that doesn’t follow the pattern rule, the rule breaker, and students will drag a rectangle bar to cover the error.
Then students get the chance to put it all together and show what they know in the daily digital worksheet for math patterns and determining the rules for function tables.
Lesson 4: Extending Repeating Patterns to the Nth Term
Today’s lesson lets students feel really grown up by introducing algebra…in a 4th grade friendly sort of way, of course. They will start the lesson with an anchor chart that explains it all.
Next up it’s time to practice algebraic thinking and working with math patterns to the nth term. In the activity titled Color-full Chameleon, students will use thier new algebra strategies to extend a repeating pattern to a specified place and drag and drop a circle to highlight the correct answer for each row.
In the Repeating Patterns activity, students will given the set of a pattern and asked what shape would be at three different places along the pattern. To answer students will grab the correct shape from the top and drag it into the box corresponding box.
Then its time for students to show-what-you-know with a digital math patterns worksheet.
Lesson 5: Review and Assess Math Patterns
What unit would be complete without an assessment to make sure students have understood the new concepts and know how to apply them. Lesson 5 starts with a review activity that lets students review and recall the important ideas from each of the first four lessons.
Then students complete the digital assessment worksheet for algebraic math patterns.
For easy grading, you will find an answer key for the assessment as well as answer keys for all the worksheets and interactive activities throughout the unit.
This Google Slides math unit makes teaching algebraic patterns both effective and enjoyable. The interactive lessons and practice activities help students build their skills step by step, while the digital format offers flexibility for use in the classroom or at home. Whether your students are continuing patterns, using function tables, or finding pattern rules, this resource provides the tools they need to succeed.
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