GN Writing Systems of Equations from Word Problems

When writing an equation, we write the "is" as an

• =

• +

• x

For "one number", Mrs. Casia's uses

• x

• y

• 1

For "another" [number], Mrs. Casias uses

• x

• y

• 1

The word "sum" tells us to

• add

• multiply

• subtract

"3 times another" is written

• 3y

• 3x

• 3 x 1

To solve 4y + 17 = 41 we need to

• First, subtract from both sides of the =, then divide on both sides of the =.

• First, add, then divide on both sides of the =

• First, divide on both sides of the =, then subtract on both sides of the =

What does 0.10x represent in our equation?

• The value of all the dimes.

• The value of all the coins.

• The value of all the nickels.

What does the 0.05y represent in our equation?

• The value of all the dimes.

• The value of all the nickels.

• The value of all the coins.

What does the 0.10x + 0.05y represent in our equation?

• The value of all the dimes.

• The value of all the nickels.

• The value of all the coins.

What does the $7.15 represent in our equation?

• The value of the dimes.

• The value of the nickels.

• The value of all the coins.