Solving Word Problems and Estimation

Front

What is a word problem?

Back

A word problem is a math problem that is presented in the form of a story or real-life situation, requiring you to extract the necessary information to solve it.

Tags

CCSS.2.OA.A.1

Front

What does it mean to estimate?

Back

To estimate means to make an educated guess about a number or quantity, often rounding to make calculations easier.

Front

Why is it important to identify key information in a word problem?

Back

Identifying key information helps you focus on what is necessary to solve the problem and ignore irrelevant details.

Front

What is the first step in solving a word problem?

Back

The first step is to read the problem carefully and understand what is being asked.

Tags

CCSS.RL.3.7

CCSS.RI.7.7

CCSS.RI.5.7

CCSS.RI.4.7

CCSS.RL.5.7

Front

How do you determine what operation to use in a word problem?

Back

You determine the operation by looking for keywords or phrases that indicate whether to add, subtract, multiply, or divide.

Tags

CCSS.5.NBT.B.7

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What is a key phrase that indicates addition?

Back

Key phrases for addition include 'in total', 'combined', and 'together'.

Tags

CCSS.1.OA.A.1

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What is a key phrase that indicates subtraction?

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Key phrases for subtraction include 'left', 'remaining', and 'after'.

Tags

CCSS.1.OA.A.1

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What is a key phrase that indicates multiplication?

Back

Key phrases for multiplication include 'times', 'each', and 'for every'.

Tags

CCSS.5.OA.B.3

Front

What is a key phrase that indicates division?

Back

Key phrases for division include 'per', 'out of', and 'shared equally'.

Tags

CCSS.3.OA.A.2

Front

How can you check your answer after solving a word problem?

Back

You can check your answer by plugging it back into the context of the problem to see if it makes sense.

Tags

CCSS.6.EE.A.2C