Basic Arithmetic
Addition of Two and Three-Digit Numbers with Carrying
Carrying (or regrouping) is a fundamental math technique used when adding numbers where the sum of digits in a column equals 10 or more. The extra value is…
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Older posts from Math Lessons
Basic Arithmetic
Counting to 10000
You already know how to count up to 100, but what about larger numbers like 1,000 or even 10,000? The good news is that the pattern stays consistent! Let’s…
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Currency Math
Currency Math Up to $1
Learning about currency is an important math skill! Let’s explore the four main denominations and how they work together.
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Basic Arithmetic
Estimation and Rounding
Estimation is the process of making a close guess about a number, quantity, or measurement without counting or calculating exactly. It helps us quickly find…
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Basic Arithmetic
Even and Odd Numbers
Numbers can be divided into two main categories: even and odd. Knowing the difference helps in math problems, counting, and everyday situations like sharing…
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Currency Math
Making $1 Using Different Amounts
Learning to make $1.00 with different combinations of pennies, nickels, dimes and quarters — an essential currency skill that builds place-value fluency and everyday confidence.
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Basic Arithmetic
Place Value for Multi-Digit Arithmetic
Place value made obvious — why "37" means three tens and seven ones, and how that one idea makes addition with carrying and subtraction with borrowing simple.
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Basic Arithmetic
Properties of Addition
The Commutative Property of Addition states that changing the order of the numbers being added does not change the sum. In other words:
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Basic Arithmetic
Properties of Subtraction
Subtraction has different rules compared to addition. While addition has properties like commutative, associative, and identity, subtraction behaves…
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Basic Arithmetic
Repeated addition
Repeated addition is a fundamental math concept where the same number is added to itself multiple times. It serves as the foundation for understanding…
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Basic Arithmetic
Subtraction of Two and Three-Digit Numbers with Borrowing
Subtraction is a fundamental arithmetic operation where we find the difference between two numbers. When subtracting larger digits from smaller ones within…
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Basic Arithmetic
Addition of two digit numbers
Addition is one of the most fundamental math operations, and learning to add two-digit numbers confidently opens doors to more advanced math concepts. Let’s…
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