Or adding four groups of minus three. The teacher is being too simplistic. What about a base? If you’re dealing with marbles, adding (-3)x4 to your 6 marbles is different if it’s temperature.
As a math teacher, I don’t like it.
Or adding four groups of minus three. The teacher is being too simplistic. What about a base? If you’re dealing with marbles, adding (-3)x4 to your 6 marbles is different if it’s temperature.
As a math teacher, I don’t like it.