HNCAFDA

Verbal Expressions

100

4 combined with 3

7

200

12 combined with 5

17

300

15 difference of 3

12

400

the quotient of 15 and 5 

3

500

the product of 7 and 6 

42

Properties

100

a x 0=a

multiplication property of zero

200

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

associative property of addition

300

a=b then a+c = b+c

property of equality for addition

400

a=b b=c then a=c 

transitive property of equality

500

a=b then b=a

symmetric property of equality

1-step equations

100

8 + v = 26

v = 18

200

3 + p = 8

p = 5

300

p-6+= -5

p = 1

400

n + 16 = 9

n = 7

500

10n = 40

n=4

2-step equations

100

8=6-2x

-1=x

200

2x+6 = 12

x = 3

300

4 = 6x - 8

x=2 

400

3x+5= -16

x= -7

500

2x+5=21

x=8

Multi-step equations

100

5+14a = 9a-5

a=-2

200

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

x=-7

300

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

x=-2

400

13x-9x+20=30+2

x=3

500

7x+3=2x+13

x=2