1. How can I multiply a fraction by a whole number?
Team B: Tyderah Bradley, Troy Erby, Cassandra Farzalo, Frank Giannamore, Kari Harbaugh, Holly Hartshorne

2. Let’s start with a review of multiplying fractions:
To multiply a fraction by a fraction:
Multiply numerator by numerator
Multiply denominator by denominator
Simplify if possible
Example:

3. Now you try to multiply a fraction by a fraction:
Write your answers to these 3 problems on your white board:

4. Let’s check your answers:

5. Now, let’s review how to change a whole number to a fraction:
Any number divided by 1 equals that number.
See: =5
So, you can put any whole number over 1 without changing it’s value.
See:

6. So, how can I use what I know to multiply a fraction times a whole number?
The problem:

7. Steps to multiplying a whole number by a fraction:
1.Change the whole number to a fraction
2.Multiply numerator by numerator and denominator by denominator
3. Simplify if possible

8. Hmmm…. But how can I simplify an improper fraction???
Just remember TI- BO!
No, not that kind!
TI-BO means top in- bottom
out. So:

9. Let’s review the steps we just learned:
Put whole number over 1
Multiply numerators and denominators
Simplify if possible
If my answer is still improper, do TI-BO!

10. Now you try it on your whiteboard:

11. Check your answers and your work:

12. So, how did you do?
Give me a thumbs up if you got both problems right!
Show me a thumbs to the side if you got one problem right!
Point your thumb down to the ground if you still need some help.