Mark used a number line to model dividing 2 3
by 3. He divided the number line from 0 to 1 in 3 equal sections, and then divided each of those sections into 2 equal parts. Mark says 2
3
÷ 3 is 1
3
.

Is his answer correct?

No, his answer is not correct

Step-by-step explanation:

(2/3) / 3

= 2/3/3

= 2/(3*3)

= 2/9

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.