Add & Subtract Integers
-25 + (-2)
-27
1.21 + 2.45
3.66
10 x (-12)
120
50 ÷ 2
25
What is an integer?
A whole number that can be positive, negative, or zero, without any decimals or fractions.
-25 - 2
-27
7.85 - 3.42
4.43
(-7)(-3)
21
-40 ÷ 4
-10
What is a rational number?
A rational number is any number you can write as a fraction.
Rational numbers include integers, fractions, terminating decimals, and repeating decimals.
37 - (-3)
40
3.643 - (-2.124)
5.767
(-11)(7)
-77
-25 ÷ (-5)
5
What is a product?
The answer in a multiplication problem.
-40 - (-5)
-35
-2.34 + (-1.34)
-3.68
100(-10)
-1000
-77 ÷ 7
-11
What is Unit Rate?
A rate that compares a quantity to one unit of another quantity.
-450 - (-150)
-300
-3.12 - (-1.11)
-2.01
(-8)(-9)
72
-144 ÷ (-12)
12
What is a prime number?
A whole number with exactly two factors: 1 and itself.