The Most Effective Addition Worksheets on the Market

In Mental Math’s addition worksheets, your child will quickly and easily learn adding numbers 1 to 10, adding with tens & hundreds and more other problems on addition.

Choose from a wide variety of innovative worksheets that best fit your child’s level and needs. World problems help your child solve daily life problems and further develop their math skills.

Created by leading math experts, our progressive worksheets include 320 pages, 4009 practice problems and 40 units. 

Our progressive worksheets ensure that your child will quickly master each math concept, and develop the math proficiency needed to move to the next level.

$40.00 $25.00Add to cart

$15 off if you buy whole book!

  • Haphazard and disorganized worksheet that doesn't help a child or progress to achieve higher math levels.
  • Absence of orderly flow in problems.
  • Incomplete math curriculum.
  • Insufficient and non-challenging math problems on practice sheets.
  • No guidance about starting and end points in learning.
  • Many math problems are repeated several times on different level worksheets.

We soon discovered we weren’t alone in our frustration with the lack of effective math worksheets for our children.

After speaking to other parents, we learned they were also fed-up not getting standard math practice worksheets which follow standard math curriculum and ample math practice problems .

So we decided to take matters into our own hands.

Mental Worksheets was founded by parents fed-up Haphazard and disorganized math worksheet that doesn't help a child or progress to achieve higher math levels.

How was it developed?

To create effective math worksheets, we contacted the highest qualified math teachers and experts to help us create the most effective math worksheets on the market.

The research and development of our Mental Math Worksheets took almost 3 years!

Now, you can purchase the most affordable and effective math worksheets developed by the leading math curriculum experts in the country in just $1 for 10-27 pages

Features of our worksheets

  • Completely covers the appropriate math curriculum of each Level.
  • Helps children achieve higher math skills in a step-by-step and gradual way at their own pace.
  • 10-20page worksheets with sufficient math problems that avoids repetition.
  • Contains many samples for allowing children to learn better problem solving.
  • Encourages children to build self-learning habits.
  • Includes challenging math problems.
  • And much, much more!

Worksheet #Topics/Curriculum# of PagesSampleAdd to cart
Unit-1Adding 1 Sum up to Twenty8 pages
Unit-2Adding 1 Sum up to Fifty8 pages
Unit-3Adding 1 Sum up to Hundred8 pages
Unit-4Adding 1 Sum up to Thousand8 pages
Unit-5Adding 2 Sum up to Twenty8 pages
Unit-6Adding 2 Sum up to Thirty8 pages
Unit-7Adding 2 Sum up to Fifty8 pages
Unit-8Adding 3 Sum up to Twenty8 pages
Unit-9Adding 3 Sum up to Thirty8 pages
Unit-10Adding 3 Sum up to Fifty8 pages
Unit-11Adding up to 3 Sum up to Twenty8 pages
Unit-12Adding up to 3 Sum up to Thirty8 pages
Unit-13Adding up to 3 Sum up to Fifty8 pages
Unit-14Adding 4 Sum up Twenty8 pages
Unit-15Adding 4 Sum up to Fifty8 pages
Unit-16Adding 5 Sum up to Twenty8 pages
Unit-17Adding 5 Sum up to Fifty8 pages
Unit-18Adding up to 5 Sum up to Twenty8 pages
Unit-19Adding up to 5 Sum up to Fifty8 pages
Unit-20Adding 6 Sum up to Twenty8 pages
Unit-21Adding 6 Sum up to Fifty8 pages
Unit-22Adding 7 Sum up to Twenty8 pages
Unit-23Adding 7 Sum up to Fifty8 pages
Unit-24Adding 8 Sum up to Thirty8 pages
Unit-25Adding 8 Sum up to Fifty8 pages
Unit-26Adding 6 Sum up to Fifty8 pages
Unit-27Adding 9 and 10 Sum up to Fifty8 pages
Unit-28Adding 1 and 2 Digit Numbers8 pages
Unit-29Adding 1 and 2 Digit Numbers8 pages
Unit-30Adding 1 and 2 Digit Numbers8 pages
Unit-31Adding with Tens8 pages
Unit-32Adding 2 Digit Numbers without Regrouping8 pages
Unit-33Adding 2 Digit Numbers with Regrouping8 pages
Unit-34Adding 2 Digit Numbers when Second Number is Smaller8 pages
Unit-35Adding 2 Digit Numbers when Second Number is Larger8 pages
Unit-36Adding 2 Digit Numbers8 pages
Unit-37Adding with Hundreds8 pages
Unit-38Adding Tens with Hundreds8 pages
Unit-39Adding Ones with Hundreds8 pages
Unit-40More problems on Addition8 pages

Choose From Over 15 Worksheets That Best Suit Your
Child’s Skill Level and Unique Needs

You can purchase our high quality math worksheets separately, or purchase an entire book and save 40%!

Equation Worksheets

Evaluate Algebraic Expressions and Solve Equations

See all units

Integers Worksheets


Four Operations on integers and their Simplification

See all units

Decimals Worksheets


Decimal Concept and Four Operations on Decimals

See all units

Fractions Worksheets


Fraction Concepts and Four Operations on Fractions

See all units

Division Worksheets


Dividing up to 4 or more digit Numbers by 2 or 3-digit Numbers

See all units

Multiplication Worksheets


Multiplication Table of 2 through 10 and Multiplication by Thousands

See all units

Subtraction Worksheets


Subtracting 4 to 1-digit Numbers form 4 digit Numbers

See all units

addition worksheets


Adding up to 5 digit Numbers and 3 Numbers

See all units

Need More Convincing? Read What a Few
Grateful Parents Have to Say:

Alison R.

Parent of an 5th-Grade Student

My kid has been having difficulty keeping up with math at school. I started doing a worksheet every day when he gets home from school. These are helping a lot in my child's math skills. These are very similar to the worksheets that they use at the Kumon Centers but are it's a lot cheaper to do it at home with my son for now. The worksheets seem to be good enough for now and I like them a lot

Claire N.

Parent of Preschool Students

Our 5 yr old twins have been working these worksheets every since they were 4. Man they really work. They are basically able to read and write on their own and are already showing strengths in mathematics. They have a reiterative step by step approach which gets more difficult as the child moves farther through the lessons. I would recommend to any parent wanting to get their little one off on the right path when it comes to education

Our mission is to provide world-class math
education to anyone, anywhere.