Arithmetic
Arithmetic is the foundation of all mathematics, covering the basic operations — addition, subtraction, multiplication, and division — along with number properties that underpin every other branch of math.
Topics in This Category
- Addition - Combining whole numbers, decimals, and fractions
- Subtraction - Finding differences with borrowing and regrouping
- Multiplication - Building fluency with facts and multi-digit algorithms
- Division - Dividing whole numbers, decimals, and fractions
- Order of Operations - Applying PEMDAS/BODMAS to multi-step expressions
- Number Theory - Factors, multiples, primes, and divisibility rules
- Integers & Absolute Value - Working with positive and negative numbers
Why It Matters
Arithmetic skills are used every day — from managing money and measuring ingredients to calculating distances and interpreting data. A strong arithmetic foundation makes every other area of math more accessible.