Order of operations
(3 - 2) x 5
5
Use _______________ ________________ to solve equations
Inverse operations
Solve the equation be sure to show all your steps
7 + x = 19
x = 19 - 7
x = 12
What is 1/9 of 810?
90
see student answers
9 - 8 + 7 - 6 + 1
3
The equation below illustrates which property?
4 x 1 = 1 x 4
Commutative property of multiplication
Solve the equation be sure to show all your steps
7 + 5 + x + 2 + 6 = 30
24 + x = 30
x = 30 - 24
x = 6
Are all fractions integers? Explain
No, integers are 0 and positive and negative whole numbers. Fractions are rational numbers and that box does not fit in the integer box.
Order from least to greatest the numbers -8, 1, 0, -7
-8, -7, 0, 1
56 / 7 x 3 + 5
29
(3 + 2) +7 = 3 + (2 + 7)
Associative Property of addition
Solve the equation be sure to show all your steps
6p = 84
p = 84/6
p = 14
What is 2/3 of $6.30?
$4.20
Compare:
-3 ____ -5
>
Compare:
4 + 6 - 2 + 4 ____ 4 + (6 - 2) + 4
=
What property has to do with the order by which you multiply or add?
Commutative
Solve the equation using inverse operations. Be sure to show all the steps
39/x=13
39=13x
x=39/13
x=3
Give and example of an integer that is a counting number.
Any positive whole number.
An even number multiplied by an odd number results in what kind of number?
Even number
Evaluate a fraction with 4 x 6 in the numerator and 2 x 4 in the denominator.
3
What property has to do with how addends or factors are grouped?
When you solve the equation 15 - i = 24
What will the next step look like?
15 = 24 + i
What are the categories of real numbers and give an example of a number that would go in each set.
Counting-positive whole numbers, Whole-zero, Integer-negative whole numbers, Rational-fraction, decimal, percents, Irrational-pi non perfect square roots and decimals that are non terminating and nonrepeating, Real any number
The SUM of two odd numbers results in what kind of number?
Even numbers