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Kashef

Your super kind Grade 5 math teacher ❀️

Pattern Rules!

Discover the Secret Rule

Grade 5 Ontario Math πŸ“š β€’ Algebra

Hello my wonderful Grade 5 superstar! πŸ‘‹

I'm Kashef and today we're learning how to find Pattern Rules! Every pattern has a secret rule. When you discover the rule, you can continue the pattern forever! This is the beginning of real algebra. Ready to become a Pattern Rule Detective? Let’s go! πŸš€

🧠 What is a Pattern Rule?

The rule is the consistent change that happens between each number or shape.

4, 7, 10, 13, 16, ...

Rule: Add 3 each time

✍️ Finding the Rule

Example 1: 5, 10, 15, 20, __

Add 5 each time

Example 2: 80, 72, 64, 56, __

Subtract 8 each time

Example 3: 2, 6, 18, 54, __

Multiply by 3 each time

🎯 Find the Rule & Next Number!

1. 9, 18, 27, 36, __

Rule: Add 9 β†’ Next: 45

2. 100, 90, 80, 70, __

Rule: Subtract 10 β†’ Next: 60

3. 3, 9, 27, 81, __

Rule: Multiply by 3 β†’ Next: 243

πŸ›’ Real-Life Pattern Rules

Problem 1: You save $6 every week. After week 1 you have $6, week 2 $12, week 3 $18. What is the rule? How much after week 8?

Rule: Add 6 β†’ $48 after week 8

Problem 2: A plant is 40 cm tall. It grows 5 cm every week. What is the rule? How tall after 6 weeks?

Rule: Add 5 β†’ 70 cm

πŸ§ͺ Quick Pattern Rules Quiz

Question: What is the rule? 7, 14, 21, 28, __

You are a Pattern Rules Champion! πŸŽ‰πŸ₯³

Kashef is super proud of you! You can now find the rule in any pattern and predict what comes next.

Pattern rules are the beginning of algebra β€” you’re thinking like a real mathematician!