Creating Expressions from Word Problems

Miss Kask made 28 burritos and x tacos. How can you write this as an expression?

• 28 · x

• 28 + x

• 28 - x

• x - 28

Mrs. Andrews rollerbladed 40 miles over 4 days. She rollerbladed the same distance every day. How would I figure out how much she rollerbladed every day?

• (40 + 4)

• 40 x 4

• 40 - 4

• 40 ÷ 4

Ms. Walsh has 12 more Harry Potter books than Mrs. Singer. How can I express how many books Ms. Walsh has? (x represents Mrs. Singer)

• x + 12

• 12 - x

• x - 12

• 12 · x

Sa ran a race at 5 miles an hour. The race took him x hours to complete. How can I express how many hours he ran?

• 5 ÷ x

• 5 + x

• 5x

• x + 5

Nataly earned x dollars for walking her dog. Then, she also was given 15 dollars for her birthday. How much birthday does she have now?

• 15 - x

• x + 15

• 15 x

• 15 ÷ x

Rabi walks his ferret x times a week. After 4 weeks, how many times has he walked his ferret?

• 4x

• 4 + x

• x ÷ 4

• 4 - x

Giselle used a $20 bill to pay for a notebook that only costs x dollars. How much money would she get back?

• 20x

• 20 ÷ x

• 20 + x

• 20 - x

Ms. Kask had 20 dollars. She spent $10, then gave half to Mrs. Sharp. How can we represent this?

• 20 + 10 - 2

• 20 -10 ÷ 2

• 10 ÷ 2 - 20

• 20 - (10 x 2)