Topic 3 Review

3-1

100

Write an expression using an exponent:

8*8*8*8*8*8*8*8*8

8⁹

200

Turn the exponent into an expression:

10⁴

10*10*10*10

300

Evaluate:

15¹=

15

400

Evaluate:

7⁰=

1

500

Evaluate:

3²= ?

9

3-2 & 3-3

100

Write a numerical expression that means:

2 more than 10

2+10

200

Evaluate:

5+(10-3)

12

300

Find the LCM of:

4 and 5

(Hint: Skip count!)

20

400

Find the GCF of:

8 and 12

(Hint: Use the "tree"!)

4

500

Evaluate:

3+2[(21-9)1]

27

3-4 & 3-5

100

Write an algebraic expression that means:

48 times a number of cars, "c"

48g

g(48)

48(g)

48*g

200

Write an algebraic expression that means:

22 less than 5 times a number "F"

22-5F

22-5*F

300

Evaluate, if x=2:

12x-7

17

400

Evaluate, if n=3 and z=2:

5z+3n=

19

500

Evaluate, if n=100, x=5, and z=4:

n+3x-4z

99

3-6

100

Are the expressions equivalent?

9y+9 and 9(y+1) 

Yes

200

Use the distributive property to make an equivalent expression (Hint: Draw arrows from the outside to the inside):

2 (x+4) =

2x+8

300

Use the communicative property to make an equivalent expression (Hint: Reverse distributive property):

5x-45=

5(x-9)

400

Are these expressions equivalent?

6(3x+1) and 9x+6+9x

Yes

500

Are these expressions equivalent?

5z+2-5z and 10z+2

No

3-7

100

Simplify the expression (Hint: Combine like terms):

9y+4-6y

3y+4

200

Simplify the expression:

3x+5+7x

5 +10x

300

Simplify the expression:

4x+15-3x+10

x+25

400

Simplify the expression:

y²+3y²

4y²

500

DAILY DOUBLE!!!

Who is not here today?

Jayden