Comments

guest · 7 years ago

Her method is fine when the subtraction is straightforward like that, number lines (or having a mental image of one) come in very handy when it is more 'tricky', say 275-187.

▼

Auditory Illusions: Hearing lyrics where there are none 7 comments

guest · 8 years ago

That's exactly what he says in the video if you read the text