# Open number line

### Behavior: Using open number lines for addition of two whole numbers above ten. Condition: by introducing this strategy as a class and then students filling in the worksheet independently.

### Open Number Lines are great for place value, addition, subtraction and fractions. These free math workmats can be printed once and used repeatedly. Great way to save paper!

Use number lines to support number sense. Make a number with painter's tape and use 50 and 100 as benchmarks. Great way to teach number place. Could be adapted for whole class instruction.

### Get your students up and moving this fall to practice adding double digit numbers by adding on an open number line. Clipart courtesy of Melonheadz Illustrating

### Open Number Lines are great for place value, addition, subtraction and fractions. These free math workmats can be printed once and used repeatedly. Great way to save paper!

### Blank Number Lines – Open Number Lines – E is for Enrichment

### Ts First Grade Class: Number Line Activity - Decompose Numbers. Directions: Use jumps of 5 or 10 to reach the target number. Use as few jumps as possible.

Strategies for teaching addition and subtraction using open number lines, a Common Core grade math skill

Math Coach's Corner: Open Number Line Addition - here's the handout.

### Open number line to add and subtract with this set of practice sheets! Set includes eight free sheets to use in your first (or second!) grade math class as you implement the Common Core standards.

The Classroom Key: Open Number Lines Explained

### Open Number Line Addition

Third grade/ numbers and operations/ represent numbers on a number line/ I would use this to solidify the connection between adding numbers and representing them on a number line

Open Number Lines: Task Cards The Common Core standards call for students to use number line strategies flexibly and efficiently.

### 24 FREE addition strategy task cards that can be used as a math station, math center, small group practice, or for early finishers! Just print, laminate for

Open Number Lines Activities ($) Easily guide your students through this Common Core math strategy that will help them master addition and subtraction with and without regrouping