Two parts and one total - addition and subtraction (1st grade math)

We solve word problems and missing number problems that have to do with two parts (or three parts in some instances) and a given total. We can write a missing-number addition equation, or a subtraction equation, for these situations.

See also

Math Mammoth Subtraction 1 — topical workbook for 1st grade

Math Mammoth Grade 1 curriculum

Back to 1st grade videos index

Back to the index of all videos