Math Unit 1 Video Resources:
Using a Number Line to Add or Subtract
Mental Strategy-Counting On
Mental Strategy-Making Ten
Mental Strategy-Creating an Easier Problem
Mental Strategy-Using the Relationship between Addition and Subtraction
Mental Strategy-Using Doubles
Pairing Objects to Determine if a Number is Even or Odd
Count Back Through Ten
Math Unit 2 Video Resources:
Decomposing a number to make a ten for 2–digit addition
2-digit addition using a hundreds chart
2-digit addition using a number line
2-digit subtraction using a number line
2-digit subtraction using a place value strategy
Using Compensation Strategies to Add and Subtract
Using the Relationship Between Addition and Subtraction
Representing 3-digit Numbers in Multiple Ways