Writing and Evaluating Expressions

Writing algebraic expressions

100

Write an expression for the product of 3 and w.

What is 3w?

200

Write an expression for w less than 8.

What is 8 - w?

300

Write an expression for the difference of twice p and 9.

2p - 9     or     9 - 2p

400

Twice the sum of 6 and x

2(6 + x) 

500

Write an expression for the difference of r and 8 times 9.

9(r - 8)      or     9(8 - r)

Evaluating Expressions& Equivalent Expressions

100

3a - 2 when a = 7

3(7)-2 = 19

200

p/4 + 3 when p = 24

24/4 + 3 = 9

300

7(n + 4) when n=8

7(8+4) = 84

400

(30/b) + 9 when b =6

(30/6)+9=14

500

(24/4 - c) x a , when a=5 and c=1

(24/4 - 1) * 5 = 25

Evaluating Expressions

100

Evaluate when p = 6:  
p + 9

What is 15?

200

Evaluate the expression 31 - g , when g is 3.

What is 28?

300

Evaluate the expression 4w , when w is 13.

What is 52?

400

Evaluate the expression 2rz - 9 , when r is 2 and z is 5.

What is 11?

500

Evaluate the expression
3(x + 4) - w,
when x is 3 and w is 8.

What is 13?

Write an Expression Using Exponents

100

Write the expression 9 ⋅k ⋅k ⋅k ⋅k ⋅k using exponents.

9k^5

200

• Write the expression 7 ∙ m ∙ m ∙ m using exponents.

7m^3

300

Write the expression 11 * z * z * y * y using exponents

11z^2y^2

400

Write the expression 2∙r∙a∙a∙a using exponents

2ra^3

500

Write the expression 5∙5∙5∙j∙j using exponents

5^3j^2 or 125j^2

Identify the terms, coefficients, and constants

100

Identify the terms, coefficients, and constants in the expression 10x + 2

T 2

Coe 10

Con 2

200

Identify the terms, coefficients, and constants in the expression 4x + 17

T 2

Coe 4

Con 17

300

Identify the terms, coefficients, and constants in the expression 17x + 9 – 3y

T 3

Coe 17, 3

Con 9

400

g + 12 + 9g

T 3

Coe 1,9

Con 12

500

3p + 7y + 4

T 3

Coe 3, 7

Con 4