Hot Cocoa Comparisons
Additive Comparison with start unknown:Joey loves to have mini marshmallows in his hot cocoa. If he puts 7 marshmallows in his cup and that is 2 more marshmallows than his sister Jessica put in her cup of hot cocoa. How many marshmallows did Jessica put in her hot cocoa? Write an equation with a variable to match the problem. Solve and show your thinking!
Multiplicative Comparison with an unknown factor:Joey loves to have mini marshmallows in his hot cocoa. If he puts 15 marshmallows in his cup and that is 3 times more marshmallows than his sister Jessica put in her cup of hot cocoa. How many marshmallows did Jessica put in her hot cocoa? Write an equation with a variable to match the problem. Solve and show your thinking!
Ratio:Jessica and Joey are making marshmallows. Joey's uses 3 marshmallows for every two marshmallows that Jessica uses. If Joey uses 24 marshmallows, how many marshmallows did Jessica put in her hot cocoa? Write an equation with a variable to match the problem. Solve using either a ratio table, a bar diagram, or a double number line.