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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. # Addition of Single and Double Digits = free = members only Basic Lesson
Shows the addition of the ones and carrying into the tens columns. Also includes practice problems.
Standard: MATH 1 View worksheet Intermediate Lesson
Displays the concept of renaming columns.
Standard: MATH 1 View worksheet Independent Practice 1
Contains 20 single and double digits addition problems. The answers can be found below.
Standard: MATH 1 View worksheet Independent Practice 2
Contains 20 single and double digits addition problems. The answer key is below.
Standard: MATH 1 View worksheet Homework Worksheet
12 sums of double and single problems. 4 complete examples are provided.
Standard: MATH 1 View worksheet Adding Single-Double Digits Quiz
10 single-double addition problems. A math scoring matrix is included.
Standard: MATH 1 View worksheet Answers for the homework and quiz. View answers Answers for both lessons and both practice sheets. View answers Why is Addition Important?
10 Awesome Reasons Why Addition is Important in your Life. View Math Article 5 Easy Ways to Learn Addition
Addition is the foundation of arithmetic. Here are 5 fast tips for you. View Math Article  