Topic 2

North Carolina Standard Course of Study Third Grade Mathematics

Operations and Algebraic Thinking

NC.3.OA. Represent and solve problems involving multiplication and division.

NC.3.OA.1 For products of whole numbers with two factors up to and including 10:

• Interpret the factors as representing the number of equal groups and the number of objects in each group.

• Illustrate and explain strategies including arrays, repeated addition, decomposing a factor, and applying the commutative and associative properties

NC.3.OA.3 Represent, interpret, and solve one-step problems involving multiplication and division.

• Solve multiplication word problems with factors up to and including 10. Represent the problem using arrays, pictures, and/or equations with a symbol for the unknown number to represent the problem.

• Solve division word problems with a divisor and quotient up to and including 10. Represent the problem using arrays, pictures, repeated subtraction and/or equations with a symbol for the unknown number to represent the problem.

NC.3.OA.E Explore patterns of numbers.

NC.3.OA.9 Interpret patterns of multiplication on a hundreds board and/or multiplication table.