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Ruler as a Number Line

Videos 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

Related Topics:
Common Core Math Resources, Lesson Plans & Worksheets for all grades

Common Core Math Video Lessons, Math Worksheets and Games for Grade 2

Common Core Math Video Lessons, Math Worksheets and Games for all grades

New York State Common Core Math Module 2, Grade 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.
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

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