Two Step Algebraic Expressions

Mary baked some cookies on Saturday. On Sunday she baked twice as many cookies as the day before. If c represents the number of cookies she made on Saturday, write an expression for the number of cookies she made on Sunday.

• c + 2

• c - 2

• c / 2

• 2c

Perry has 17 fewer baseball cards than Pete.
If b represents the number of cards Pete has, write an expression for how many baseball cards Perry has.

• b + 17

• b -17

• 17 - b

• 17 + b

Mr. Gollow bought triple as many pencils as Ms. Boggs.  If Ms. Boggs purchased p pencils, then how many pencils did Mr. Gollow purchase?

• p/3

• p + 3

• p - 3

• 3p

Which of the following phrases represents the algebraic expression " 18 - d " ?

• 18 decreased by a number, d

• 18 less than a number, d

• 18 increased by a number, d

• 18 more than a number, d

Which expression matches: The sum of 6 and 5 doubled

• 2 x 6 + 5

• 2 x (6 + 5)

• 6 + (5 x 2)

Evaluate when a = 15: 2(a - 5) + 2

• 22

• 27

• 14

• 7

Evaluate 3x + 8   if x = 2

• 13

• 14

• 15

• 16

Evaluate 4y  if       y = 3

• 7

• 12

Evaluate 2r + 1 if r = -3

• -5

• 5

• 7

• -7

Evaluate when a = 15:
2(a - 5) + 2

• 22

• 27

• 14

• 7