OML Search

Lengths using Number Lines



Videos and solutions to help Grade 2 students learn how to identify unknown numbers on a number line diagram by using the distance between numbers and reference points.

Common Core Standards: 2.MD.5, 2.MD.6, 2.NBT.2, 2.NBT.4, 2.NBT.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 21

Worksheets for Grade 2

Topic E: Problem Solving with Customary and Metric Units

NYS Math Grade 2 Module 7 Lesson 21
Lesson 21 Homework

Find the value of the point on each part of the meter strip marked by a letter.
1. - 3. For each number line, one unit is the distance from one hash mark to the next.

4. Each hash mark represents 5 more on the number line.
What is the difference between D and E?

5. Each hash mark represents 10 more on the number line.
What is the difference between the two endpoints?

6. Each hash mark represents 10 more on the number line.
What is the difference between the two endpoints?



Check out our most popular games!

Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!

Fraction Concoction Game

Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.

Fact Family Game

Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.

Number Bond Garden

Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.

Online Addition Subtraction Game

Penguin Solitaire
Penguin Solitaire is a fun game that aims to move all cards to the foundations to build four full sequences. There are two versions here: Penguin (Tuxedo) and Penguin (Original).

Penguin Solitaire


OML Search


We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.