Better Lesson
Better Lesson: Walking the Number Line
The number line is a powerful math tool students can use to model their thinking when solving addition and subtraction problems. Use this lesson plan to help students use the number line to count forwards and backwards from 0 to 30.
Virtual Nerd
Virtual Nerd: Recognize Opposite Signs of Numbers
Use the number line to recognize the opposite of a number.
TeachEngineering
Teach Engineering: Forces and Graphing
This activity can be used to explore forces acting on an object, to practice graphing experimental data, and/or to introduce the algebra concepts of slope and intercept of a line. A wooden 2x4 beam is set on top of two scales. Students...