True or False:
-1 + 0 = 0
False
-1 + 0 = -1
Whenever you add 0 to a number, you always get the original number.
The opposite of 5
-5
Which number is larger -1 or -10?
-1
-3 + (-5)
-8
5 - 10
-5
What are the numbers to the right of zero called?
The positive integers
True or False:
1 + 2 + 3 + 4 = 10
True
The first four integers equal 10
Example: Bowling pins
This is neither positive nor negative.
0
Which number is larger -5 or -10,000?
-5
112 + 211)
323
-9 + 13
4
What is a number line?
The number line consists of integers that are both positive and negative.
True or False:
- 1,000 + 1,000 = 2,000
False
It equals 0, think of the rule we talked about.
The integers that come just before and just after -7.
-6 and -8
Order from least to greatest: 0, -2, 4
-2, 0, 4
-13 + (-6)
-6 + 4
-2
What is the number that is smaller than every positive number, but larger than every negative number?
0
True or False:
When you add two positive numbers you always get a positive number as your answer.
True
Examples: 8 + 10 = 18
21 + 3 = 24
The whole numbers left of zero on a number line.
Negative integers
Order for from least to greatest: -7, 2, -3, 0
-7, -3, 0, 2
10 + (-11)+27=
26
4 - (-6)
10
What is the opposite of adding?
The opposite of adding is subtracting
True or False:
When you add two negative numbers you always get a negative number as your answer.
True
Examples:
- 9 + (-9) = -18
-1 + (-100) = -101
What type of numbers are not whole numbers?
Fractions and decimals
Order these from greatest to least: -1, 4, -2, 0, 3, -5
4, 3, 0, -1 -2, -5
-6 + (-3) + (-2)
-11
-13 + 23 + 13 + 31
54
What are these an example of?
-123, 123
Opposites or...