• #### Sum of Digits - Problem 2

##### Math›Algebra›Word Problems Using Systems of Equations
How to solve a problem when asked to switch the digits of a 2-digit number and one digit is zero.
• #### Sum of Digits - Concept

##### Math›Algebra›Word Problems Using Systems of Equations
How to solve a problem when asked to switch the digits of a 2-digit number.
• #### Sum of Digits - Problem 1

##### Math›Algebra›Word Problems Using Systems of Equations
How to solve a problem when asked to switch the digits of a 2-digit number and the result is more than the original.
• #### Sum of Digits - Problem 3

##### Math›Algebra›Word Problems Using Systems of Equations
Writing a system of equations and solving word problems involving switched digits from a single number
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• #### Divisibility - Problem 2

##### Math›Pre-Algebra›Prime Numbers
Listing the factors of a digit using enumeration
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• #### Geometric Series - Problem 11

##### Math›Precalculus›Sequences and Series
How to write a decimal that has one digit repeating infinitely as a fraction.
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• #### Geometric Series - Problem 11

##### Math›Algebra 2›Sequences and Series
How to write a decimal that has one digit repeating infinitely as a fraction.
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• #### Significant Figures

##### Science›Physics›Introduction to Physics
How to find the correct number of figures to show when writing numbers.
• #### Significant Figures

##### Science›Chemistry›Introduction to Chemistry
How to find the correct number of figures to show when writing numbers.
• #### Solving Equations- two variable terms - Problem 3

##### Math›Pre-Algebra›Solving Equations and Inequalities
Basketball and consecutive digit examples of writing and solving multi step equations
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• #### Solving a System of Linear Equations in Two Variables - Problem 16

##### Math›Algebra 2›Systems of Linear Equations
Solving a digits word problem using a 2 x 2 system of equations.
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