Teacher- Created Math: Problem Solving Tasks, Thinking Tasks, and Choice Task

Know:  (Numbers and Operations in Base Ten)
Use place value understanding and properties of operations to add and subtract.

5.  Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. (Common Core State Standards)

7.  Add and subtract within 1000,  using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method method.  Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds. (Common Core State Standards)

9. Explain why addition and subtraction strategies work, using place value and the properties of operations.
(Common Core State Standards)

Understand (Principles)
Use your knowledge of place value understanding and properties to add or subtract to solve a problem.

Do:  (Task)
Complete the problem solving tasks, thinking tasks, and choice task to demonstrate your understanding of place value and properties of operations to add or subtract to solve a problem.