Teachers, save “Adding and Subtracting on the Open Numbe…” to assign it to your class.

Click 1: use the open numberline and the "Counting On" strategy to solve. Show your work and fill in the number sentence. 2: use the open numberline and the "Counting Back" strategy to solve. Show your work and fill in the number sentence. 3: use the open numberline and the "Counting On and Counting Back" strategy to solve. Show your work and fill in the number sentence. 4: use the open numberline and solve - show your work and fill in the number sentence. Which strategy did you use? Click to submit to your teacher.