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A polite number is a positive integer that is the sum of 2 or more consecutive integers. For example, 18=3+4+5+6 and 41=20+21. Every odd number greater than one must be polite. All numbers that are powers of 2 are impolite so don't invite them over.


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Home > Math Skills / Topics > Addition Worksheets > Single and Double Digits Addition

Addition of Single and Double Digits

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Basic Lesson
Shows the addition of the ones and carrying into the tens columns. Also includes practice problems.
Standard: MATH 1
Grades: (K-2)
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Intermediate Lesson
Displays the concept of renaming columns.
Standard: MATH 1
Grades: (K-2)
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Independent Practice 1
Contains 20 single and double digits addition problems. The answers can be found below.
Standard: MATH 1
Grades: (K-2)
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Independent Practice 2
Contains 20 single and double digits addition problems. The answer key is below.
Standard: MATH 1
Grades: (K-2)
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Homework Worksheet
12 sums of double and single problems. 4 complete examples are provided.
Standard: MATH 1
Grades: (K-2)
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Adding Single-Double Digits Quiz
10 single-double addition problems. A math scoring matrix is included.
Standard: MATH 1
Grades: (K-2)
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Answer Keys
Answers for the homework and quiz.
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Answer Keys
Answers for both lessons and both practice sheets.
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5 Easy Ways to Learn Addition
Addition is the foundation of arithmetic. Here are 5 fast tips for you.
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More Advanced Math Worksheets
More Advanced Worksheets
The next level of math skills.
-Double Digit Addition
-Adding Triple Digits
-Mixed Addition Review
-Adding Double and Triple Digits
Less Advanced Math Worksheets
Remedial Math Worksheets
Skills needed to get to this level.
-Numbers Line Addition
-Addition Numbers 0 to 9
-Number Family (Addition)
-Using A Number Line