1-2 Step Problems Add and Subtract

The goal of solving two-step equations is to:

• Make life difficult

• Find the coefficient

• Find the value of the variable

• Make everything equal zero

Which operation involves comparing amounts or looking for a missing part?

• Addition

• Subtraction

• Multiplication

• Division

Paul spent 35 hours skiing this winter. Nancy spent 23 hours skiing this winter. How many more hours did Paul ski than Nancy?

Which operation is this?

• Addition

• Subtraction

• Multiplication

• Division

Tina spent $108 Christmas shopping at the mall. She also spent $231 online. How much money did Tina spend in all?

Which operation is this?

• Addition

• Subtraction

• Multiplication

• Division

Janice hangs 32 ornaments on the tree. Her brother hangs 18 more. How many ornaments did they hang in all?

• Multiply 32 x 18

• Subtract 32 - 18

• Add 32 + 18

Which operation involves putting two or more amounts together to find a sum?

• Addition

• Subtraction

• Multiplication

• Division

Jacob is making homemade ornaments to give to his family. He makes 45 glass ornaments and 55 wooden ornaments. There are 9 people in Jacob's family. If each family member gets an equal number of ornaments, how many ornaments will each person get? What is step 1?

• Add 45 + 9

• Add 45 + 55

• Multiply 45 x 55

• Subtract 55 - 45

Jim has one dollar.  He spends 16 cents on a pencil.  Jim's dad gives him five dollars for mowing the grass. Write an equation with a letter for the unknown to find out how much money Jim has now.

• 100¢ -16¢  ⁼ m

• m ⁼1 dollar

• $1.00 - $.16 + $5.00 ⁼ m

• 5 +1 + 16⁼ m

Ronnie needs 101 cupcakes for a birthday party. He already has 21 chocolate cupcakes and 33 vanilla cupcakes. How many more cupcakes should Ronnie buy?

• 80

• 113

• 47

• 68

Janet's mother gave her $76 to go to the store. Janet bought 2 loaves of bread and 4 cartons of orange juice. Each loaf of bread cost $5 and each carton of orange juice cost $3. How much money does Janet have left?

• 68

• 54

• 84

• 20