1 Adding and subtracting To add and
subtract numbers always begin counting
from zero. When dealing with positive
numbers count to the right. When
dealing with negative numbers count to
the left.
Annotations:
Adding and subtracting
Remember tostart from counting from zero.
Positive/Negative Numbers
when couting with positive numbers start countin to the right. But with negative numbers count to the left.
Tip:
Negative Numbers= < left
Positive Numbers =>right
1.1 Adding and Subtracting
2 when adding or subtracting.Always
remember when two of the same signs are
next to each other but not the same you
always subtract.However, when there are
two signs next to each other and are the
same you always ad
3 Multiplying and Dividing
Annotations:
+ Times -
-Times +
+ Divide-
-Divide +
ALL = SUBTRACT