add it up
(+3) + (+6)
9
+10 + (-10)
0 - yes
gain
right
how many altogether
+
(-9) + (+2)
+, + = +
(+6) + (-3)
3
(-16) + 16 =
0 - yes
lose
left
take away
subtract
(-3) - (-4)
-, - make it a +
(+3) + (-6)
-3
159 + (-183) =
no
deposit
right or positive
groups of
X
(+4) - (+2)
-, + = -
(-3) + (+6) =
+3
563 - 653 =
no
below sea level
left or negative
equal groups of
divide
(-2) + (-2)
+, - = -
-6
-1,968,543 + 1,968,543 =
= 0 , yes
withdraw
times
X
(+234) - (-567)
-, -, = +