Grade 3 - Operations and Algebraic Thinking
Standard 3.OA.D.9 - Complete the table with numbers up to 100 by applying the addition rule to the left column to get the result in the right column.
Included Skills: Addition, Number Patterns
Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends.