Add/Subtract Integers
30 + -50 + 20
0
-3 x -2 x -5
-30
What does PEMDAS stand for?
P- Parentheses
E- Exponents
M- Multiplication
D- Division
A- Addition
S- Subtraction
What is the commutative property?
If a and b are real numbers, then:
a + b = b + a
a x b = b x a
724 - X = 93
631
-22 - (-45)
23
1245 / -15
-83
18 - (-11) + 4
33
What is the Associative Property?
If a, b, and c are real numbers, then:
a + b + c = (a + b) + c = a + (b + c)
a x b x c = (a x b) x c = a x (b x c)
What is the divisibility rule for 6?
If a number is divisible by 2 and 3, then it is divisible by 6.
2 - 4 + (-7) - 8
-17
-452 x -907
409,964
12 - (-70) / 10
19
What is the symmetric property of equality?
If a and b are real numbers:
If a = b, then b = a
Write the number below in expanded notation:
5,780.0021
5,000 + 700 + 80 + 0 + 0.0 + 0.00 + 0.002 + 0.0001
-14,523 + -1,430 - 250
-10 / 2 x 3 x -10 / -5
-30
3 - 10 x 2 + -1
-18
What is the Reflexive Property?
For real numbers:
If a is a real number, then a = a
Find the GCF of 75 and 26
1
-300 - 52 - (-12) + 17 + -13
-336
Round to the nearest integer and evaluate:
3.45 x -19.1 / -0.5
57
(5 + -2) x 8 - (-1)
25
What is the Transitive Property?
For real numbers:
If a = b and b = c, then a = c
Find the LCM of 20, 45, and 105.
1260