Stoichiometry Basics

Sandwiches
A sandwich requires 2 slices of bread and 1 slice of cheese.
If you have 12 slices of bread and unlimited cheese, how many sandwiches can you make?

• 8
• 4
• 10
• 6

Pancakes
One batch of pancakes needs 2 cups of flour and 1 egg.
If you have 8 cups of flour and 5 eggs, how many full batches can you make?


(a)  

Smoothies
A smoothie recipe uses 3 bananas and 2 cups of yogurt.
If you have 12 bananas and 10 cups of yogurt, how many smoothies can you make?

• 6
• 4
• 3
• 5

Pizza Toppings
Each pizza requires 1 crust, 2 cups of sauce, and 3 cups of cheese.
If you have 5 crusts, 20 cups of sauce, and 20 cups of cheese, how many pizzas can you make?

• 5
• 7
• 6
• 4

Lego Cars
Each Lego car requires 4 wheels and 1 car body.
If you have 24 wheels and 10 car bodies, how many complete cars can you build?


(a)  

Toy Robots
A robot is built from 2 arms, 2 legs, 1 body, and 1 head.
If you have 15 arms, 20 legs, 12 bodies, and 8 heads, how many robots can you build?

• 10
• 5
• 7
• 12

Paper Airplanes
One paper airplane requires 2 sheets of paper and 1 paperclip.
If you have 50 sheets of paper and 20 paperclips, how many airplanes can you make

• 15
• 25
• 30
• 20

Board Games
Each board game set needs 1 board, 4 dice, and 16 game pieces.
If you have 5 boards, 20 dice, and 70 pieces, how many complete sets can you assemble?

• 3
• 2
• 5
• 4

Hot Dogs
A hot dog requires 1 bun and 1 sausage.
If you have 15 buns and 12 sausages, how many hot dogs can you make?


(a)  

S’mores
Each s’more needs 2 crackers, 1 piece of chocolate, and 1 marshmallow.
If you have 20 crackers, 8 chocolates, and 10 marshmallows, how many s’mores can you make?

• 8
• 6
• 10
• 4