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May 2013

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Free Addition Worksheets

This worksheet generator produces various kinds of addition worksheets. You can create worksheets for addition in columns or in horizontal form. By choosing the range, you can use negative numbers, very big numbers, or numbers less than 50 - however you wish. You can even limit the numbers to be whole tens or hundreds or some other multiple by choosing the "Step" to be 10, or 100, or any other whole number. All worksheets come with answers.

With the advanced options you can create missing addend worksheets, or problems with 3-6 addends. Use 3-6 addends with a missing addend to create algebra-type problems. No carrying is a good option for kids just starting to learn adding in columns - this only works with 2 addends.

Switch addends randomly is usable if you for example set addend 1 to be whole tens, and addend 2 to be whole hundreds; the problems will be both of the form 20 + 300 and 400 + 70 etc. Or, if you set addend 1 to be within negative range and addend 2 positive, switching 1 and 2 randomly makes the negative number sometimes to be first, sometimes second. You can even use three addends, set one to be negative, one positive, one from negative to positive range (such as -10 to 10), and switching the addends will create problems where the negative numbers can be in any order.

Create place value problems like this: let the range for the first addend to be 0-9, for the second addend 0 to 90 with step 10, third addend 0 to 900 with step 100, and so on if larger places values are wished. Then tick the Switch addends randomly and the missing addend options.

Experiment with the options to customize the worksheets as you like!

Ready-made worksheets

These are still randomly generated. One you have one worksheet, you'll get another of the same kind by hitting "refresh" button in your browser, or F5 from keyboard.

Mental addition

Missing addend - sums with 9
Missing addend - sums with 10

Missing addend random - sum max 10
Missing addend random within 10 and 20
Complete the next ten
Add a 2-digit number and a 1-digit number mentally - within the same ten
Complete one hundred (missing addend)
Add two 2-digit numbers - one addend is a whole ten
Adding 1-digit number to a 2-digit number

You can find many more ready-made mental addition worksheets on these pages:
Grade 1 worksheets, Grade 2 worksheets, and Grade 3 worksheets.

Add in columns

Find many more ready-made column-addition worksheets on these pages:
Grade 2 worksheets, Grade 3 worksheets, and Grade 4 worksheets.

Place value

Addition Worksheets    

Basic options: Format: Horizontal In columns         problems in a row,   rows Extra vertical space below the problems:  lines

Ranges:   Min: Max: Step: OR List: Addend 1  Addend 2  Sum (answer) It's best to leave the range for 'sum' empty. If you fill in a step-size for the "sum" and for addend 1, and the script is not working right, please set the step-size for addend 2 to be 1.

Font: Default Arial Courier Courier New Helvetica sans-serif Times New Roman Verdana     Font Size: 8pt 10pt 12pt 14pt 16pt 18pt 24pt 36pt Cell Padding:     Border:     Additional title & instructions  (HTML allowed)

Advanced options 3 addends 4 addends 5 addends 6 addends Ranges for addends 3-6:   Min: Max: Step: OR List: Addend 3  Addend 4  Addend 5  Addend 6

Display negative numbers: with brackets, e.g. (-12) with a little dash, e.g. −12 No carrying (only with 2 addends) Missing addend problems Switch addends randomly Switch "="-sign beginning/end randomly

Download 300+ free QUALITY math worksheets

Math Mammoth Addition 1 A self-teaching worktext for 1st grade that covers addition concept, missing addend problems, and practice of addition facts within the context of fact families (providing structure for the facts learning). Available as an affordable download ($3.75), and also as a printed copy. => Learn more and see the free samples! See more topical Math Mammoth books

Math Mammoth Add & Subtract 2-A A self-teaching worktext for 2nd grade that covers “easy” additions and subtractions within 0-100; such as 24 + 5 and 89 − 7, or adding or subtracting whole tens; memorizing the basic addition facts of single-digit numbers, and learning to use them with subtraction. Available as an affordable download ($4.50), and also as a printed copy. => Learn more and see the free samples! See more topical Math Mammoth books

Math Mammoth Add & Subtract 2-B A self-teaching worktext for 2nd grade that covers mental addition and subtraction with two-digit numbers, and regrouping in addition and subtraction (carrying & borrowing). Available as an affordable download ($4.25), and also as a printed copy. => Learn more and see the free samples! See more topical Math Mammoth books

Other worksheets

Number breaking worksheets
Online worksheets for adding to 9 (breaking 9 to two parts). The site also includes worksheets for breaking 10 and other numbers into two parts (adding to 10, to 7 etc.).

Addition Detective Worksheets
Find which numbers on the grid add up to the given number.