3rd Grade Problem Solving

A movie theater has 710 seats.

*158 seats are red.

*247 seats are black.

*119 seats are yellow

*The rest of the seats are green.

How many seats are green?

Mathematical Equivalence

ON

There are two lions at a zoo. The weight of the younger lion is 379 pounds. The weight of the older lion is 514 pounds.

What is the difference in pounds between these two weights?

The difference between the weights is ​ (a)  

• 135 lb
• 265 lb
• 145 lb
• 235 lb

There are 4 erasers on each table in a classroom.

There are 5 tables in the classroom.

What is the total number of erasers on all of the tables in this classroom?

An art teacher had 736 crayons.

She threw away 197 broken crayons.

Then she bought 150 more crayons.

Which equation shows how to find the number of crayons the art teacher has now?

• 736 - 197 - 150 =

• 736 - 197 + 150 =

• 736 + 197 + 150 =

• 736 + 197 - 150 =

Samantha, Gordon, and Diego each brought an ice chest to a picnic.

• The weight of Samantha’s ice chest was 83 pounds.

• The weight of Gordon’s ice chest was 28 pounds.

• The weight of Diego’s ice chest was 37 pounds.

What was the difference in pounds between the weight of Samantha’s ice chest and the combined weight of Gordon’s and Diego’s ice chests?

The electrical panel shown in the image has 4 outlets.

How many outlets do 7 of these electrical panels have?

Mathematical Equivalence

ON

Serafina put a total of 42 cupcakes into packages. She put 6 cupcakes into each package. What is the total number of packages Serafina used for these cupcakes?

• 48

• 36

• 6

• 7

Lin has a total of 36 sodas in packs. There are 6 sodas in each pack. How many packs of sodas does Lin have?

A softball team played in 6 tournaments last year. The team paid $95 to play in each tournament.

What was the total amount the softball team paid to play in these 6 tournaments?

• $570

• $540

• $101

• $480

A group of people bought tickets for a roller-coaster ride.

-The group spent $3 for each ticket.

-Altogether the group spent $36 on tickets.

-Each person in the group got 2 tickets.

How many people were in the group?