# Brief instructional videos - Weekly standards demonstrated with a video clip

 Common Core Standard Topic 7.NS.1 Using counters to add and subtract positive and negative numbers. 7.NS.1 Using the number line to add and subtract numbers. 7.NS.A.2 Multiplying and dividing negative and positive numbers 7.EE.4 One step equations 7.NS.2 Dividing rational numbersFinding a missing value along a number line with rational numbers(There is a typo in the beginning. I am dividing a section into four parts but I say thirds.)

# Related Files

• # Using the number line

Using the number line to add and subtract integers
• # Using counters

Using counters to add and subtract numbers
• # Multiply/divide positive and negative numbers

Rules and application of rules of multiplication and division of negative and positive numbers.
• # Divide rational numbers

Strategies for dividing rational numbers
• # One step equations

Solving one step equations.
• # Number line study

Finding a missing value along a number line