Expressions

Combining Like Terms/Equivalent Expressions

100

Are these two expressions equivalent?

5g + 7, and g + g + g + 2g + 3(2 + 1) 

No!

The second one equals 5g + 9

200

Combine like terms:

5h + 6z - 3h + 2z

2h + 8z

300

y(6 + 2) + 5y - 3

13y - 3

400

Simplify the expression:

6w + w(3 + r)

9w + rw

500

b³ + 4c + 3b³ - 6 + 2c²

4b³ + 4c + 2c² - 6

Exponents

100

When you see the following expression, what is the big number called and what is the little number on top of it called?

2⁴

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

2 is the base

4 is the exponent

200

How can you rewrite 9² using repeated multiplication?

 9x9

300

How can you rewrite the following in exponential form?

7 x 7 x 7 x 7 x 7 

 7⁵

400

What is the value of:

8⁴

What is 4,096?

500

What is the value of:

2³ + 3² - 4²

1

Order of Operations

100

Simplify the following expression:

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations 

What is 62?

200

Simplify the following expression:

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

What is 5?

300

3 + 4² x (3 + 2)

What is 83?

400

 

What is 45?

500

What is 30?

Distributive Property

100

8(f+2) = ?

8f + 16

200

5(x-3) + 7 + 2x

7x - 8

300

7+9(2x-3)

 18x - 20

400

-3(-x-10)

What is 3x+30?

500

x + 10 - 6(x - 3x) + 4

What is 13x+14?

Evaluate

100

For a = 2, b = 3, c= 4, and d= 12

19 - d

What is 7

200

For a = 2, b = 3, c= 4, and d= 12

d - c + 6

What is 14?

300

For a = 2, b = 3, c= 4, and d= 12

a(d - b)

What is 18?

400

For a = 2, b = 3, c= 4, and d= 12

5a - 2c

What is 2?

500

For a = 2, b = 3, c= 4, and d= 12

d + ac

What is 20