DTRAFDA

verbal expressions

100

17 decreased by 10

7

200

3 more than 5

8

300

3 times 11

33

400

6 decreased by 3

3

500

12 divided by 3

4

properties

100

A=A

Reflexive prop. of equality

200

A+0=A

Addition prop. of zero

300

Ax0=0

Multip. Prop. of zero

400

Ax1=A

Identity prop of multi 

500

A+0=A

Identity prop of addition 

1- step equations

100

x+(-8)=

-20

200

7-y=

10

300

-3x-7=

-12

400

1-3y=

-14

500

2x+6+-2=

-34

2- step equations

100

2x+5=21

8

200

3x+4=16

-4

300

9x+3=21

2

400

-18x+30=-150

10

500

7x+3=2x+13

2

multi-step equations

100

13x-9x+20=30+2

3

200

6x+8x=x-12

-4

300

3(x+4)=2(x-1)

-14

400

6x+5=10+5x

5

500

2x-5(x+1)=3x+1

-1