🔢 Numerical Expressions Without Parentheses 🔢
Let's learn how to solve math problems step by step!
🌟 What is a Numerical Expression?
A numerical expression is like a math recipe! It uses:
- 🔵 Numbers (like 1, 2, 3, 4, 5...)
- 🟢 Operation signs (+, −, ×, ÷)
Examples:
5 + 3
12 − 4
3 + 2 + 7
🧩 Parts of an Expression
Every expression has two types of parts:
📦 Numbers (Operands)
These are the amounts we work with!
4
+
5
4 and 5 are numbers!
⚡ Operation Signs (Operators)
These tell us what to do!
4
+
5
+ means add together!
🎯 The Four Operation Signs:
➕
Add
Add
➖
Subtract
Subtract
✖️
Multiply
Multiply
➗
Divide
Divide