Simple Patterns (AB, AABB) Study Notes

Understanding simple patterns is a foundational skill in early mathematics. Patterns help children predict what comes next, recognize order, and develop logical thinking. In Kindergarten, we focus on identifying, describing, and extending basic repeating patterns, specifically AB and AABB types.

🧠 Understanding Patterns

What is a Pattern?

A pattern is a sequence of items or events that repeats in a predictable way. Think of it like a repeating song or a repeating design. When you see a pattern, you can guess what will come next!

💡 Key Takeaway: Patterns are about things that repeat in a specific order.

Why are Patterns Important?

• Prediction: Patterns help us guess what will happen next.
• Order: They teach us about sequences and order.
• Problem-Solving: Recognizing patterns is a basic step in solving math problems.
• Foundation: They build a strong base for understanding more complex math in the future.

🎨 Types of Simple Patterns

AB Patterns

An AB pattern is a simple repeating pattern where two different items or actions alternate. The "A" item comes first, then the "B" item, and then it repeats: A, B, A, B, A, B...

Here are some examples:

• Colors: Red, Blue, Red, Blue, Red, Blue...
• Shapes: Circle, Square, Circle, Square, Circle, Square...
• Actions: Clap, Stomp, Clap, Stomp, Clap, Stomp...
• Objects: Apple, Banana, Apple, Banana, Apple, Banana...

Example Table: AB Pattern

Pattern Type	Example Sequence	Next Item
AB	🍎, 🍌, 🍎, 🍌, ?	🍎
AB	⬆️, ⬇️, ⬆️, ⬇️, ?	⬆️

AABB Patterns

An AABB pattern is a repeating pattern where two "A" items are followed by two "B" items, and then the sequence repeats: A, A, B, B, A, A, B, B...

Here are some examples:

• Colors: Green, Green, Yellow, Yellow, Green, Green, Yellow, Yellow...
• Shapes: Triangle, Triangle, Star, Star, Triangle, Triangle, Star, Star...
• Actions: Jump, Jump, Spin, Spin, Jump, Jump, Spin, Spin...
• Objects: Book, Book, Crayon, Crayon, Book, Book, Crayon, Crayon...

Example Table: AABB Pattern

Pattern Type	Example Sequence	Next Item
AABB	🔵, 🔵, 🔴, 🔴, ?	🔵
AABB	🐕, 🐕, 🐈, 🐈, ?	🐕

🔍 Identifying and Extending Patterns

How to Identify Patterns

To identify a pattern, look for the part that repeats. This repeating part is called the "core" of the pattern.

For example, in the sequence: 🍎, 🍌, 🍎, 🍌, 🍎, 🍌

• The first item is 🍎.
• The second item is 🍌.
• Then it goes back to 🍎.
• The repeating core is 🍎, 🍌.

How to Extend Patterns

Once you find the repeating core, you can use it to figure out what comes next.

Consider the pattern: 🔵, 🔵, 🔴, 🔴, 🔵, 🔵, ?

• The core is 🔵, 🔵, 🔴, 🔴.
• The pattern has just finished the second 🔵 of its core.
• So, the next item in the pattern will be the first item of the core, which is 🔴.
• The pattern would continue: 🔵, 🔵, 🔴, 🔴, 🔵, 🔵, 🔴, 🔴...

📝 Practice Activities

Here are some ways to practice simple patterns:

1. Coloring Patterns: Color a row of squares using an AB or AABB pattern (e.g., Red, Blue, Red, Blue...).
2. Building Block Patterns: Use two different colored blocks to build a tower following a pattern (e.g., Yellow, Green, Yellow, Green...).
3. Sound Patterns: Create sound patterns with your body (e.g., Clap, Snap, Clap, Snap...).
4. Object Patterns: Arrange toys or small objects in a pattern (e.g., Car, Truck, Car, Truck...).