# Lengths using Ruler

Videos, examples, and solutions to help Grade 2 students learn how to represent two-digit sums and differences involving length by using the ruler as a number line.

Common Core Standards: 2.MD.6, 2.MD.9, 2.MD.1, 2.MD.5

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 7, Grade 2, Lesson 23

Topic F: Displaying Measurement Data

NYS Math Grade 2 Module 7 Lesson 23
Lesson 23 Homework

1. Measure your handspan and record it here:
Then measure the handspans of your family members and write them below.
:
2. Record your data using tally marks on the table provided.
a. What length is the most common?
b. What length is the least common?
:
3. Use your ruler to measure the lines below in inches. Record the data using tally marks on the table provided.
a. How many more lines are equal to 4 inches than shorter than 4 inches?
b. What is the difference between the number of lines that are shorter than 4 inches and those that are longer than 4 inches?