KMTAFDA

verbal experessions

100

four less six 

 2

200

 fithteen Increase by ninteen 

34

300

fourty Take away ten

30

400

the Quotient of 20 and 5 

4

500

the Product of sixteen and forty 

640

Properties

100

(a + b) + c = a + (b + c)

​​​​Associative Property of Addition

200

 a + b =b + a

Commutative Property of Addition

300

a + 0 = a.

Identity Property of Addition

400

a + -a = 0.

Additive Inverse of a Number

500

a = b and b = c, then a = c.

Transitive Property of Equality

1-step equations

100

k+18=21

K=3

200

x+3=5

x=2

300

x+100=5

X=-95

400

x +10=50

X=40

500

x+23=50

x=27

2-step equations

100

9 – 2x = 23

x=-7

200

Solve 3x – 2 = 16

x = 6

300

–11 = 4x – 43

x=8

400

 2x + 3 = 9

x=3

500

–15 = 5 – 5x

x=4

multi-step equations

100

7x+3=2x+13

x=2

200

-3X-32=-2(5-4X)

-2=X

300

-3X-4(4X-8)=3(-8X-1)

x=-7

400

X/4+2=5

X=12

500

13x-9x+20=30+2

x=3