Addition and Subtraction Basic Facts to 20

How many addition and subtraction questions can your second-graders answer in three minutes? This timed assessment features two pages of basic math problems: one page of sixty-four addition equations and one page of sixty-four subtraction questions. Only numbers 1-20 are used. An evaluation rubric is provided to guide assessment. Learners are not expected to finish the page in three minutes for the top score. Two copies of each page are available for printing purposes.