Grade 2 · Measurement and Data

CCSS.MATH.CONTENT.2.MD.B.5

Use addition and subtraction within 100 to solve word problems involving lengths that are given in the same units, e.g., by using drawings (such as drawings of rulers) and equations with a symbol for the unknown number to represent the problem.

Read this standard on the official Common Core site

Lessons that teach this standard

• Length Problems and the Number Line

  Second grade: show numbers as lengths from 0 on a number line, add and subtract with jumps, and solve word problems about lengths in the same unit.