Writing Equations from Problem Situations

The keyword per in a problem situation means to...

• add

• subtract

• multiply

• divide

Nicholas has a part-time job at the local grocery store. He earns $8.50 per hour. Last week he earned $255. How many hours did he work last week?

• 8.5 + x = 255

• x – 8.5 = 255

• 8.5x = 255

• x ÷ 8.5 = 255

The keyword half in a problem situation means to...

• multiply

• divide

• add

• subtract

David spent half of his savings to buy a video game. He paid $43.30 for the video game. How much money did David originally have in savings?

• 2 + x = 43.30

• x – 2 = 43.30

• 2x = 43.30

• x ÷ 2 = 43.30

The keyword more in a problem situation means to...

• add

• subtract

• multiply

• divide

At the bake sale, Abbi sold 6 more cupcakes than Chloe. If Abbi sold 34 cupcakes, how many cupcakes did Chloe sell?

• x + 6 = 34

• x – 6 = 34

• 6x = 34

• x ÷ 6 = 34

The keyword fewer in a problem situation means to...

• add

• subtract

• multiply

• divide

There were 79 fewer students at the volleyball game than at the football game. If there were 218 students at the volleyball game, how many students were at the football game?

• x + 79 = 218

• x – 79 = 218

• 79x = 218

• x ÷ 79 = 218

The keyword split as in to split the cost in a problem situation means to...

• add

• subtract

• multiply

• divide

A tip is an amount that is ________ to the price or amount to be paid

• added

• subtracted

• multiplied

• divided