Basic Arithmetic
Mixed operations: addition and subtraction
Solve multi-step problems mixing addition and subtraction — order of operations, intermediate sums, and worked solutions for grades 2-3.
Read lesson →
Tag
#subtraction
11 posts
-
-
Three, four & five Digit NumbersSubtraction: four or five digits
Four- and five-digit subtraction (1,000-99,999) is a fundamental arithmetic function that forms the basis of larger sums. Subtracting a number requires…
Read lesson → -
Three, four & five Digit NumbersAddition and Subtraction of Three-Digit Numbers
Add and subtract three-digit numbers with regrouping and borrowing — the foundational multi-digit arithmetic lesson that makes the standard column algorithm intuitive.
Read lesson → -
Currency MathMixed Addition and Subtraction with Currency
You have 50 cents (0.50),andyoufindadime(0.50),andyoufindadime(0.10). Then you buy a pencil for 30 cents ($0.30). How much do you have now?
Read lesson → -
Currency MathSubtracting Currency Math
Subtract small currency amounts in dollars and cents — making change, spending allowances, and worked examples that ground subtraction in actual currency counting.
Read lesson → - Currency Math
Subtracting Up to $100
Subtract dollar-and-cents amounts up to $100 with worked column-arithmetic examples — making change, returning items, and other real-world dollar-and-cents math.
Read lesson → -
Basic ArithmeticAddition and Subtraction Word Problems
Addition and subtraction are two of the most essential math operations. Word problems help us apply these skills to real-life situations by presenting them…
Read lesson → -
Basic ArithmeticProperties of Subtraction
Subtraction has different rules compared to addition. While addition has properties like commutative, associative, and identity, subtraction behaves…
Read lesson → -
Basic ArithmeticSubtraction 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…
Read lesson → -
Basic ArithmeticBasic subtraction
Subtraction is one of the four fundamental arithmetic operations, and it plays a crucial role in everyday life. Whether you’re calculating change at the…
Read lesson → -
Basic ArithmeticSubtraction of two digit numbers
Subtraction is the process of finding the difference between two numbers by removing one quantity from another. When working with two-digit numbers, we need…
Read lesson →
