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:
Core Math Resources, Lesson Plans & Worksheets for all grades
Common Core Math
Video Lessons, Math Worksheets and Games for Grade 2
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
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?
c. Ask and answer one comparison question that
can be answered using the data above.
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?
c. Ask and answer one comparison question that could be answered using the data
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.