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3rd Grade Math
2. 3.OA.A.2
2.3 Remainders from Division Up to 999
Remainders from Division Up to 999
Discover what a remainder is, why some numbers do not divide evenly, and how to find the leftover amount when dividing numbers up to 999.
What You'll Learn
Recognize that a remainder is the amount left over when a number cannot be divided into equal groups.
Apply the rule \( a = b \times q + r \) to check that a division answer with a remainder is correct.
Confirm that the remainder is always smaller than the divisor, since a bigger leftover would form another group.
Use grouping and array pictures to find remainders for dividends up to 999.
Write a complete division statement that shows the quotient and the remainder together.
What You'll Practice
1
Dividing three-digit numbers with remainders
2
Computing quotients and remainders for numbers up to 999
3
Solving sharing problems that don't divide evenly
Why This Matters
Understanding remainders is essential for real-world situations where things don't divide evenlylike splitting items among people, measuring materials, or managing resources. This skill builds your number sense and prepares you for fractions, decimals, and more complex division.
This Unit Includes
1 Video lesson
Practice exercises
Learning resources
Skills
Division
Remainders
Three-Digit Numbers
Quotients
Number Sense
OH Curriculum Aligned