solve one-step and multi-step word problems involving addition and subtraction within 1,000 using a variety of strategies based on place value, including algorithms; and
Standard:
2.4.D
Description:
generate and solve problem situations for a given mathematical number sentence involving addition and subtraction of whole numbers within 1,000.
Standard:
2.7.C
Description:
represent and solve addition and subtraction word problems where unknowns may be any one of the terms in the problem.
