problem solving adding decimals

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Decimals word problems

Adding and subtracting decimals.

These grade 4 math worksheets have word problems involving the addition and subtraction of one-digit decimals. Some questions may i) have 3 terms, ii) involve comparisons or iii) require conversions of fractions with a denominator of 10 or 100. 

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Decimal Word Problem Worksheets

Extensive decimal word problems are presented in these sets of worksheets, which require the learner to perform addition, subtraction, multiplication, and division operations. This batch of printable decimal word problem worksheets is curated for students of grade 3 through grade 7. Free worksheets are included.

Adding Decimals Word Problems

Decimal word problems presented here help the children learn decimal addition based on money, measurement and other real-life units.

• Download the set

Subtracting Decimals Word Problems

These decimal word problem worksheets reinforce the real-life subtraction skills such as tender the exact change, compare the height, the difference between the quantities and more.

Decimals: Addition and Subtraction

It's review time for grade 4 and grade 5 students. Take these printable worksheets that help you reinforce the knowledge in adding and subtracting decimals. There are five word problems in each pdf worksheet.

Multiplying Decimals Whole Numbers

Reduce the chaos and improve clarity in your decimal multiplication skill using this collection of no-prep, printable worksheets. A must-have resource for young learners looking to ace their class!

Decimal Division Whole Numbers

Revive your decimal division skills with a host of interesting lifelike word problems involving whole numbers. Keep up with consistent practice and you’ll fly high in the topic in no time!

Multiplying Decimals Word Problems

Each decimal word problem involves multiplication of a whole number with a decimal number. 5th grade students are expected to find the product and check their answer using the answer key provided in the second page.

Dividing Decimals Word Problems

These division word problems require children to divide the decimals with the whole numbers. Ask the 6th graders to perform the division to find the quotient by applying long division method. Avoid calculator.

Decimals: Multiplication and Division

These decimal worksheets emphasize decimal multiplication and division. The perfect blend of word problems makes the grade 6 and grade 7 children stronger in performing the multiplication and division operation.

Related Worksheets

» Fraction Word Problems

» Ratio Word Problems

» Division Word Problems

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Word Problems on Addition and Subtraction of Decimals

Read the questions given in the word problems on addition and subtraction of decimals to do the needful as required. We know we need to add or subtract the decimals as we add or subtract ordinary numbers.

Let us consider some of the following examples.

1. Kate had $ 368.29. Her mother gave her $ 253.46 and her sister gave her $ 57.39. How much money does she has now?

Money Kate had                                        =             $ 368.29

Money gave her mother                              =             $ 253.46

Money gave her sister                                =         +   $   57.39

Total money she has now                            =             $ 679.14

2. Maria had $ 469.38. She gave $ 99.37 to Mike and $ 124.93 to Kerry. How much money is left with her?

The amount given to Mike                =             $  99.37

The amount given to Kerry               =        +   $ 124.93

Total amount given                         =             $ 224.30

The amount Maria had                     =             $ 469.38

The amount she gave                      =        -    $ 224.30

The amount left with Maria               =             $ 245.08

3. The sum of three decimals is 496.28. Two decimals are 238.94 and 110.09. Find the third decimal.

One decimal                                       =             238.94

Another decimal                                  =        +   110.09

The sum of two decimals                      =             349.03

The sum of three decimals                    =             496.28

The sum of two decimals                      =        -    349.03

The third decimal                                 =             147.25

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Adding and Subtracting Decimals

Adding decimals is easy when you keep your work neat

To add decimals, follow these steps:

• Write down the numbers, one under the other, with the decimal points lined up
• Put in zeros so the numbers have the same length ( see below for why that is OK)
• Then add , using column addition , remembering to put the decimal point in the answer

Example: Add 1.452 to 1.3

Example: add 3.25, 0.075 and 5.

That's all there is to it: line up the decimal points, pad with zeros, then add normally.

Subtracting

To subtract, follow the same method: line up the decimal points, then subtract .

Example: What is 7.368 − 1.15 ?

To check we can add the answer to the number subtracted:

Example: Check that 7.368 minus 1.15 equals 6.218

Let us try adding 6.218 to 1.15

It matches the number we started with, so it checks out.

Putting In Zeros

Why can we put in extra zeros?

A zero is really saying "there is no value at this decimal place".

• In a number like 10, the zero is saying "no ones"
• In a number like 2.50 the zero is saying "no hundredths"

So it is safe to take a number like 2.5 and make it 2.50 or 2.500 etc

But DON'T take 2.5 and make it 20.5, that is plain wrong.

Fun teaching resources & tips to help you teach math with confidence

{FREE} Adding Decimals Worksheets: Multiple Strategies

Typically, a math worksheet is filled with tedious computation problems. They cover the page with little to no room for writing out work and thinking, and can be so… boring . Well, today I want to share a set of adding decimals worksheets that are not your typical worksheet. Rather than a page filled with problems, each page has a single decimal addition problem, to be solved three different ways. Solving one problem using multiple methods and visuals is more beneficial for students than a page filled with problems. So I hope you’re excited to learn more about the strategies here and grab this FREE set for yourself!

*Please Note: This post contains affiliate links which support the work of this site. Read our full disclosure here .*

Adding Decimals with Multiple Methods:

As I shared in my article, How to Add Decimals , it’s important to let kids learn through visuals, hands on manipulatives and place value in our base ten system.

After a solid foundation is laid, kids can then use the standard, traditional algorithm, which requires lining up the numbers and adding with regrouping, just as they do with integers.

Although I recommend adding decimals with play money and base ten blocks , these worksheets focus on pictorial methods , so kids can show their thinking. You can certainly allow them to also use a hands on model of their choice as well, though!

Adding Decimals Worksheets:

This download (scroll to the end of this post) includes 10 different practice pages plus an answer key . These are part of my complete Add & Subtract Decimals Resource Collection .

On each page, there is one decimal addition problem , plus space to solve the problem by:

• Coloring hundreds grids
• Using place value
• Following the steps of the traditional algorithm

Adding Decimals Using Hundreds Grids:

Each hundreds grid represents one whole , and students can use these to color in and represent each problem to find the new total.

I have included 3 blank grids on each page, but do not specify how students should use these or color them in. Allow them to represent the problem in the way that makes the most sense to them. This might mean they color each addend on different grids, or they might combine them onto one right away.

They might also use two different colored pencils to represent each part as they add them together for the total.

Adding Decimals Using Place Value:

Again, how your students break the decimal values apart and add them together may look different. Don’t require a specific ‘step-by-step’ for this…that defeats the purpose of allowing kids the space to make their own meaning and understanding.

Plus, giving them a ‘step-by-step’ is the same as using the traditional algorithm. Then, rather than building understanding and seeing how to decompose decimals, kids simply have another list of rules to follow .

If your kids are stuck here, encourage them to use number bonds or bar models to break each decimal apart and then see how they can easily add the parts together.

Adding Decimals Using the Traditional Method:

Lastly, kids solve the problem with the standard algorithm, by lining up the numbers and regrouping (when necessary).

If this is still new, or kids feel shaky with regrouping, encourage them to build it out with base ten blocks. The blocks provide a concrete model of how the different places get combined and regrouped.

The goal of these adding decimals worksheets is to help kids see and understand different methods , help them to strengthen their mental math skills and show them the connection between place value and the traditional algorithm .

So I hope this provides meaningful practice for your students, rather than the tedious, boring practice you would typically see on a math worksheet.

These pages are a sample of my complete add & subtract decimals collection !

If you’re interested in the whole set of lessons and games, learn more about it here .

How to Use or Assign These Decimal Practice Pages:

You might be thinking, this is great, but now I have to print an entire packet for each student! That’s so much paper!

Well, I’m here to encourage you to not print all the pages for every single student. That’s not the point.

Instead, I’d encourage you to assign one or two problems at a time, whether this is used in class or as a homework assignment.

If you give students just one problem , they can use the back of their paper to extend their learning even further. For example, you might have them:

• Write a word problem to represent the given decimal addition problem
• Solve the same problem again, using yet another method (such as a number line)
• Create a different addition problem that has the same solution

Another idea is to assign two problems , and print them front and back . That is then just one piece of paper per student, but they’re working through two problems multiple ways .

Another idea is to put students in partners or small groups , and assign each group a different problem to work through.

When everyone is finished, they can then share their solutions with the class , and you can have a discussion about which method students prefer and why .

I hope this gives you lots of great ideas and provides some great math discussion in your classroom!

Want to grab this set of adding decimals practice pages? Just click the link below to grab it in my shop!

{Click HERE to go to my shop and grab the FREE Adding Decimals Worksheets!}

Find more decimal resources at the links below:.

• Adding and subtracting decimals on a number line
• Adding & subtracting decimals partner challenge (using grids and number lines)
• Decimal operations mazes (low-prep practice)
• Converting fractions to decimals game
• Make a Buck: An simple & fun card game

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