23 people have favorited this lesson!

(C) Compose 10 with two or more addends with and without concrete objects

(G) Apply properties of operations to add and subtract two or three numbers.

(Y1) Represent and solve simple addition and subtraction problems using a range of strategies including counting on, partitioning and rearranging parts (ACMNA015)

1.OA.2 Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

Retrofit the existing lesson of adding three numbers to include word problem applications.

Log in to view this lesson. If you do not have an account, subscribe now and begin your free 30 day trial.

StepUP Math Sample - Grade 1