Beginning Algebra

🟦 Definition

Beginning algebra means using symbols or boxes to show unknown numbers in math problems.

🔲 What It Looks Like

• 3 + ⬜ = 7
  
  

• ⬜ − 2 = 4
  
  

• 5 = 1 + ⬜
  
  

We solve to find the number that makes the sentence true.

🧊 Example

4 + ⬜ = 9
Answer: 5 (because 4 + 5 = 9)

🧠 Why It Matters

Beginning algebra helps us:

• Think about number relationships
  
  

• Find missing parts
  
  

• Get ready for harder math