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Ruler as a Number Line

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Common Core Math Resources, Lesson Plans & Worksheets for all grades
Common Core Math Videos, Lessons, Math Worksheets and Games for Grade 2
Common Core Math Videos, Lessons, Math Worksheets and Games for all grades

Examples, videos, and solutions to help Grade 2 students learn how to solve addition and subtraction word problems using the ruler as a number line.

Common Core Standards: 2.MD.5, 2.MD.6, 2.MD.1, 2.MD.3, 2.MD.4

New York State Common Core Math Grade 2, Module 2, Lesson 8

NYS Math Module 2 Grade 2 Lesson 8

Lesson 8 Lesson Objective:

Connect measurement with physical units by using multiple copies of the same physical unit to measure.

Lesson 8 Exit Ticket

1. Line c is ___ cm.
Line d is ___ cm.
Lines c and d are ___ cm.
Line c is ___ cm (longer/shorter) than Line d.

2. A cardinal flew 12 meters north and then turned around and flew 5 meters south. His starting point is marked on the ruler. Where is the cardinal now? Show your work on the broken ruler.

3. All of the sides of the line below are equal length units.
a. Fill in the empty boxes with the lengths of each side.
b. The line is _____ length units.
c. How many lines would you need to add for the line to be 21 length units? _____ lines

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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