Adding Rational Numbers
-4 + -3=
-7
-2 - (-3)=
1
-14 x 2=
-28
1/2
0.5
What is 5x3?
15
-13+4=
-9
5 - (-6)=
11
-12 x 5=
-60
1/4
0.25
What is 12x6?
72
-1/4+3/4=
0.5
-5/8 - (-3/4)=
0.125
-15 divided by 3=
-5
1/1=
1
How many bones is there in a human body?
206 bones
-4.5+-3.4=
-7.9
-8.5 - (-5.8)=
2.7
4/5 x 3/4=
0.6
What is 2/3 as a whole number?
0.33333333....
How far away is the moon from Earth?
238,900 mi
12+-4, is the answer going to be a positive or a negative answer?
A positive answer
-15 - (-4), is the answer going to have a positive answer or a negative answer?
A negative answer
What are the rules for multiplying/dividing integers?
Multiplying: same sign=positive product
different signs= negative product
Dividing: same sign= positive quotient
different sign= negative quotient
What is 4/5 equal to?
0.8
How many people is there in the world?
(hint: it is in the billions)
7.7 billion