Mathematics
Grade 3
15 min
Divide three-digit numbers: word problems
Divide three-digit numbers: word problems
Tutorial Preview
1
Introduction & Learning Objectives
Learning Objectives
Identify the dividend and divisor within a word problem.
Translate a word problem into a division equation.
Solve division word problems with three-digit dividends and one-digit divisors.
Use strategies like place value or repeated subtraction to solve division problems.
Interpret the meaning of a quotient and a remainder in the context of a story problem.
Check their division answers using multiplication.
Write a complete sentence to answer a word problem.
Ever wonder how to share 120 trading cards fairly among 3 friends? 🃏 Let's learn how division helps us share big numbers equally!
In this lesson, we will become division detectives! We will learn how to read story problems, find the clues to set up a division equation, and solve problems with...
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Key Concepts & Vocabulary
TermDefinitionExample
DividendThe total number that you are dividing. It's the whole amount you start with.In the problem '150 pencils are shared among 5 classes,' the dividend is 150.
DivisorThe number you are dividing by. It tells you how many equal groups to make or how many are in each group.In the problem '150 pencils are shared among 5 classes,' the divisor is 5.
QuotientThe answer to a division problem. It tells you how many are in each group.In 150 ÷ 5 = 30, the quotient is 30. Each class gets 30 pencils.
RemainderThe amount left over after you have divided as much as you can. It's the 'leftovers'.If you have 16 cookies to share among 3 friends, each gets 5, and there is 1 left over. The remainder is 1.
Word ProblemA math problem that is wri...
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Core Formulas
The Division Equation
Dividend ÷ Divisor = Quotient
This is the basic way to write a division problem. The total amount (dividend) is split by the number of groups (divisor) to find the amount in each group (quotient).
Checking with Multiplication
(Quotient × Divisor) + Remainder = Dividend
This is the best way to check your answer. Multiply your quotient by the divisor and add any remainder. If the result is the same as your dividend, you are correct!
The Remainder Rule
Remainder < Divisor
The remainder must always be smaller than the number you divided by (the divisor). If your remainder is bigger, it means you can make at least one more group!
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Challenging
A school's total bill for new library books was $960. The cost was split equally among the 4 grades at the school. If each grade has 2 classes, how much money does each class need to raise?
A.$120
B.$240
C.$480
D.$80
Challenging
A mystery number is between 200 and 210. When you divide this number by 7, the remainder is 2. What is the mystery number?
A.203
B.208
C.205
D.201
Challenging
A farm has 252 chickens and 50 cows. The chickens lay eggs that are put into cartons of 6. If each chicken lays one egg, how many full cartons of eggs can the farmer make?
A.50
B.42
C.43
D.302
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