Solve two-step word problems using the four operations. Know how to perform operations in the conventional order when there are no parentheses to specify a particular order (Order of Operations). (Limit to problems posed with whole numbers and having whole number answers.)
3.OA.8.b
Represent two-step problems using equations with a letter standing for the unknown quantity. Create accurate equations to match word problems.
3.OA.8.c
Assess the reasonableness of answers using mental computation and estimation strategies, including rounding.
