Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.
Sample Practice Questions (3)
1
Which number line diagram correctly represents the expression −2−4?
AStarts at −2, moves 4 units left to −6.
BStarts at −2, moves 4 units right to 2.
CStarts at 0, moves 2 units left, then 4 units right.
DStarts at 0, moves 2 units right, then 4 units left.