Number Patterns: Practice 21

In this Grade 4 lesson on Number Patterns, you will practice solving problems like: "In an input-output table, when the input is 3, the output is 10. If the rule is "multiply by 2, then add 4", what is the output for input 3?". Work through each problem carefully, use the hints if you need help, and check your answers. This builds your understanding of number patterns step by step.

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🌍 Where you'd use this: Anytime someone says 'figure out X if you know Y' — you're doing algebra.

🤯 Fun fact: 🤯 The pattern 1, 1, 2, 3, 5, 8, 13… (Fibonacci) shows up in flower petals, pinecones, and hurricanes.

🏆 Try this week: Pick a pattern in your house (like books on a shelf). Write the rule.

👨‍👩‍👧 At dinner: “If x equals your age, what's 2x + 5? What does that number mean?”

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