Curated OER
Addition Practice #5
Find the sum, no problem! Your class will add single digit to double digit numbers to determine the sum for 30 practice problems.
Curated OER
Two Digit Addition Worksheet #3: Find the Missing Number
In this addition instructional activity, students solve 20 problems in which a missing number in the problem is filled in. Students analyze the two numbers that are provided and fill in the third to make the problem correct.