HDRAFDA

Verbal Expressions

100

16 cut into 2

8

200

9 less 3

6

300

19 combined with 5

24

400

the product of 2 and 9

18

500

the quotient of 24 and 3

8

Properties

100

a+0=a

identity property of addition or addition property of zero

200

a+-a=0

additive inverse of a number

300

a=b then b=a

symmetric property of equality

400

a=b,b=c,a=c

transitive property of equality

500

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

associative property of addition

1-Step Equations

100

x+7=10

x=3

200

c-9=21

c=30

300

8+m=12

m=4

400

-12+p=24

p=36

500

a+89=100

a=11

2-Step Equations

100

4+2x=12

x=4

200

3x-1=5

x=2

300

8-3+p=12

p=7

400

90+2f=100

f=5

500

12z-4=20

z=2

Multi-Step Equations

100

3(a+1)=6

a=1

200

3(p-6)=9       

p=9

300

1(a+9)=10

a=1

400

2+1(p-3)=4  

p=5

500

3+5(d-9)=8

d=2