What Are Mixed-Number Multiplication Sentences?
Mixed numbers are numbers that have both whole numbers and fractions, like 2½ or 3¾.
When we multiply mixed numbers, we sometimes need to complete the multiplication sentence by finding a missing number. This helps us understand how multiplication works with mixed numbers!
How to Complete Mixed-Number Multiplication
1️⃣ Convert mixed numbers to improper fractions
2️⃣ Multiply the numerators and denominators
3️⃣ Simplify the answer back to a mixed number
Let's Practice Together!
Example 1: Find the missing number
2½ × ___ = 7½
Let's solve it step by step:
- Convert 2½ to an improper fraction: 5/2
- Convert 7½ to an improper fraction: 15/2
- Now we have: (5/2) × ___ = 15/2
- What number multiplied by 5/2 gives 15/2?
Your answer:
Example 2: Cookie Party Math
Sarah made 3⅓ batches of cookies. Each batch uses 1½ cups of flour. How many cups of flour did she use total?
Complete the multiplication sentence:
3⅓ × 1½ = ___
Your answer:
Parent Tips 🌟
- Kitchen Math: Use cooking measurements to practice mixed-number multiplication in real-life situations.
- Step-by-Step: Encourage your child to write out each conversion step to avoid confusion.
- Visual Help: Draw pizzas or pies to visualize how mixed numbers multiply together.