Grade 4: Mixed Numbers Made Easy
Understanding Mixed Numbers Converting Between Forms Adding and Subtracting with Like Denominators
What Are Mixed Numbers?
A number with a whole number part AND a fraction part Examples: 2½, 3¼, 1⅗ We see them everywhere in real life! Like 2½ cups of flour or 1¼ hours
Let's Explore Mixed Numbers!
Look at the circles on your desk Count the whole circles What fraction is the partial circle? Write your mixed number!
Converting Mixed Numbers to Improper Fractions
Step 1: Multiply the whole number by the denominator Step 2: Add the numerator Step 3: Write over the same denominator Example: 2¾ = (2×4)+3/4 = 11/4
Quick Check!
Convert 1½ to an improper fraction Show your work with a picture or equation Discuss with your partner Be ready to share your thinking!
Adding Mixed Numbers
Method 1: Add whole numbers, then fractions Example: 1¼ + 2¼ = (1+2) + (¼+¼) = 3½ Method 2: Convert to improper fractions first Both methods work - choose what makes sense!
Practice Time: Pizza Party Math!
Sarah ate 1⅓ slices of pizza Mike ate 2⅓ slices of pizza How many slices did they eat altogether? Use pictures, manipulatives, or equations to solve!
Remember This!
Mixed numbers are everywhere in our daily lives They help us describe amounts that are more than whole but not quite the next whole number Practice makes perfect - keep looking for mixed numbers around you!