explain how a number line can be used to solve equations. Do you find using a number line to be a good strategy to help you solve equations? Why or why not?
2007-06-29 07:23:35 · 2 answers · asked by ViVI 2 in Science & Mathematics ➔ Mathematics
Some students get confused with negative #'s so a number line seems to aid in that..
for example: 3-7 = -4
writing out a # line helps students understand and VISUALIZE their answer.
It's a linear visualization that aids in their understanding.
2007-06-29 07:27:11 · answer #1 · answered by miggitymaggz 5 · 0⤊ 0⤋
Number lines are good to help you understand absolute value and negative and positive numbers. But they could be ueful in solving only the most elementary linear equations such as x+5 = 11. You could start at 5 on the number line and count 6 places to get to 11 so the solution is x =6. But it's much easier to just subtract 11-5 and get 6, don't you think?They may also be helpful in understanding domains.
They would be of no value in solving complex equations.
2007-06-29 14:35:24 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋