Subtraction Word Problems Without Regrouping

Let's use what we know about math and subtraction to solve real world problems!

Rachel has89 penniesin her piggy bank. She takes out76 pennies.How many pennies does she have left?

A **word problem** is a math problem written like a story.Β

Do you remember how to solve word problems? π€

There are four steps we follow:

1.Read Carefully

2.Find Key words

3.Make an Equation

4.Solve the Problem

Let's go back to Rachel's problem.Β

After reading the problem carefully, we look for keywords.Β

Rachel has 89 pennies in her piggy bank. She takes out 76 pennies. How many pennies does she have left?

**Keywords** give you a clue to how to solve a problem. π€

Some examples of keywords for subtraction are:Β

take away, how many more, remain, difference, less, less than, subtract, reduce

In this example, ** left** is a keyword telling you to use subtraction.

To write an equation, figure out which number is the

Theminuendwill always be the larger number.

In this problem it is 89.

Thesubtrahendwill always be the smaller number.

In this problem it is 76.

We write:

89 - 76 = ?

Do you remember how to subtract two-digit numbers?

We start by writing the equation in **column form**.

π Then we subtract the **Ones column first.**

Next, we subtract the Tens.

That's it! Rachel has 13 pennies left.

Congratulations! π You now know how to solve subtraction word problems. Start your practice below.

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