Determining the operation - add, subtract, or multiply

Which operation do you like the best?

Tamara bought 3 packs of dog leashes. Each pack had 5 leashes. Which model can be used to find the number of leashes Tamara bought?

Tamara bought 3 packs of dog leashes. Each pack had 5 leashes. Which model can be used to find the number of leashes Tamara bought?

Pia and her brother picked pecans from their pecan tree. Pia picked 129 pecans. Her brother picked 132 pecans. How many pecans did they pick altogether?

Pia and her brother picked pecans from their pecan tree. Pia picked 129 pecans. Her brother picked 132 pecans. How many pecans did they pick altogether?

On our farm we planted 485 stalks of corn and 308 stalks of wheat. What is the difference between the number of stalks of corn and wheat?

On our farm we planted 485 stalks of corn and 308 stalks of wheat. What is the difference between the number of stalks of corn and wheat?

Which 2 operations are needed to solve:

Deerbrook Elementary started the year with 360 fourth graders.

Over winter break, 45 students moved away. At the same time, 30 new students moved in.

Which number line shows the number of students in fourth grade now?

Which 2 operations are needed to solve:

Deerbrook Elementary started the year with 360 fourth graders.

Over winter break, 45 students moved away. At the same time, 30 new students moved in.

Which number line shows the number of students in fourth grade now?

If this row of stars is one of the six rows in an array, how many total stars will there be in the array?

If this row of stars is one of the six rows in an array, how many total stars will there be in the array?

Bart had a collection of 5 toy cars. Each car had four wheels. Which is not a way to represent the total number of wheels on 5 toy cars?

Bart had a collection of 5 toy cars. Each car had four wheels. Which is not a way to represent the total number of wheels on 5 toy cars?

Shay saved money for a new bike over three weeks.

*The first week he earned $89.

*The second week he earned $78.

*The third week he earned $92.

About how much did he earn in those three weeks?

Shay saved money for a new bike over three weeks.

*The first week he earned $89.

*The second week he earned $78.

*The third week he earned $92.

About how much did he earn in those three weeks?

Mr. Flores made 250 shirts for three different baseball teams.

*95 of the shirts were for the Astros.

*80 of the shirts were for the Dodgers.

*The rest of the shirts were for the Yankees.

How many shirts were made for the Yankees?

draw a PPW/strip diagram to help you decide

Mr. Flores made 250 shirts for three different baseball teams.

*50 of the shirts were for the Astros.

*85 of the shirts were for the Dodgers.

*The rest of the shirts were for the Yankees.

How many shirts were made for the Yankees?

draw a PPW/strip diagram to help you decide

Kyndell has 276 pieces of candy to give away for Halloween. She has given away 130 pieces so far, as shown in the model below.