What is the main concept introduced in the muffin problem?

• Fraction addition

• Different types of muffins

• Equal fractions

• Baking techniques

How many fifths of chocolate muffins were given away?

• 1/5

• 3/5

• 2/5

• 4/5

What fraction of banana muffins was left after some were given away?

• 2/7

• 5/7

• 4/7

• 3/7

What is the first step in solving the equal fractions equation?

• Add the fractions

• Divide the fractions

• Make the numerators the same

• Subtract the fractions

How many units of chocolate muffins were left according to the model?

• 8 units

• 2 units

• 4 units

• 6 units