Math Review for October 2022

Properties & Vocab

100

3 + 2 = 2 + 3 

What property is shown?

Commutative Property

200

Another word for positive and negative numbers

integers

300

The ___________    _____________ of a number gives you a sum of zero.

additive inverse

400

The number attached to a variable is known as the

coefficient

500

3 ( x + 3)  becomes 3x + 9

What property is shown above?

Distributive

Integer Problems

100

6 + 12

18

200

-9 + 3

-6

300

35 + (-10)

25

400

-3 * -3

9

500

-56 / 2

-28

What operation do I use?

100

Sum

addition

200

total

addition

300

difference

subtraction

400

product

multiplication

500

quotient

division

Write the equation.

100

3 times a number x

3x

200

the sum of 5 and 42

5 + 42

300

2 less than Half of a number

1/2 x -2

400

The sum of 25 and triple a number n

3n + 25  or 25 + 3n

500

The quotient of a number x and 5, added to 25

x/5 + 25

Solve for X

100

2x = 12

x = 6

200

X - 5 = -3

x = 2

300

x / 5 = -20

-100

400

5x + 10 = 5

x = -1

500

2x + 50 = 10

x= -20