UNIT 7: Expressions

exponents

100

5³

125

200

15¹

15

300

6³

216

400

14²

196

500

When a number is raised to the second power it is said to be _________

Squared

writing expressions

100

The product of a number and 18

18x

200

two times a number decreased by 11

2x-11

300

The price increased by 12 dollars

p+12

400

twice a number decreased by 14

2x-14

500

the quotient of 5 times a number and 4

5x/4

identify parts of expressions

100

Which part of the expression below is the exponent:

8r+5-2²

r

200

Which part of the expression is the terms:

8r+5w+7

8r, 5w, 7

300

Which part of the expression below is the coefficient:

17x+4²

17

400

Which part of the expression below is the constant:

12x-4y+7

7

500

Which number is the base?

5⁸

5

equivalent expressions

100

simplify the expression

4b+7w+8b-3w

12b+5w

200

Simplify the expression

2(9x-10)

18x-20

300

create an equivalent expression using properties of operations:

(17+4)+9

17+(4+9)

400

Simplify the expression:

5v+9q+5v-8q+1

10v+q+1

500

Simplify the expression:

9(8x-9)

72x-81

evaluate expressions

100

Solve the expression when x=5

2+x 

7

200

Solve the expression when r=4 h=7 and c=2

11(h+c)-14

15

300

r=4 h=7 c=2

r²+c(15-h) 

32

400

r=4 h=7 c=2

9r+7h-c²

81

500

r=4 h=7 c=2

hc+22 all divided by r

9