Goals

• Students will understand the relationship between the operations of addition and subtraction.

• Students will revisit and refine strategies for adding and subtracting with 2-digit numbers.

• Students will develop strategies for adding and subtracting with 3-digit numbers.

• Students will estimate to verify reasonableness of sums and differences.

• Students will represent one- and two-step story problems using pictorial models, number lines, and equations.

• Students will solve one- and two-step story problems involving addition and subtraction within 1,000.

• Students will represent and describe real-world relationships in a table.

• Students will summarize a data set using frequency tables, dot plots, pictographs, and bar graphs with scaled intervals.

• Students will solve one- and two-step problems using data in a frequency table, dot plot, pictograph, or bar graph with scaled intervals.