Multiplication of Fractions
What is the product of 1/2 and 2/3?
2/6 or 1/3
What is the quotient of 2 divided by 1/3?
6
What is the product of .3 and .05?
.015
What is the quotient of 2.5 divided by .5?
5
Fractions are __________!
Division or Decimals
A small rectangular rug is 1/3 yard wide and 5/4 yards long. write and solve the multiplication equation that you can use to find the area of the rug in square yards.
5/12 yards squared
Mr. O'Neal has a piece of ribbon for his beard that is 1/5 yard long. He cuts it into 2 equal pieces so it can fit his beard perfectly. How long is the piece of ribbon that he could use for his beard?
1/10 yard
Betsy Ross made a rectangular flag with a 1.2 meter wide and .8 meter long. How many square meters does the flag cover?
.96 meters squared
Mrs. Rogers has a stack of pennies that is .48 inches tall. The thickness of a penny is .08 inches. How many pennies does Mrs. Rogers have?
6 pennies
Which number do you flip for "flip and multiply?"
We don't flip the first number no, no!!!
Miss Harris is painting a 1-square-foot painting. On Saturday, she paints a rectangular part of the painting that is 3/4 foot tall and 2/3 foot wide. What is the area of the part of the painting that Miss Harris paints on Saturday?
6/12 or 1/2 foot squared
Mrs. Waterman is painting her office. She estimates that she will need 1/2 gallon of paint for each wall. How many walls can she paint with 2 gallons of paint?
4 walls
Mr. Rosen multiplies .04 x 0.5 on a calculator. The calculator shows a product of .02. Mr. Rosen thinks that the calculator must be broken because multiplying tenths by hundredths always gives a product in thousandths. Is Mr. Rosen's calculator broken? Explain
The calculator is not broken. .04 x 0.5 = .020
which is equivalent to .02 or .0200000000
Mrs. DeBoer has 3.6 pounds of potting soil and some flower pots. She puts .6 pound of soil in each pot, and uses all of the soil. Draw a model to represent how many flower pots she filled.
6 flower pots with .6 pounds in each
What season is the best season?
Right now it is spring, because we are tired of yucky mucky melting snow.
Draw a model that matches the equation 2/5 x 2/3.
Answers vary
Miss Crystal and Miss Shawna equally share 1/3 of a cake. What division expression can they use to solve how much cake each of them can get?
1/3 divided by 2 (which equals 1/6)
Using an area model, please solve 3.45 x 1.2
Partial Products:
3 + .4 + .05 + .6 + .08 + .010 = 4.14
Ms. Rowley has $3.84. She needs to buy balls of yarn at the craft store. Each ball of yarn costs $0.12. What division equation can you use to solve? How many balls of yarn could she buy?
$3.84 divided by $0.12 = 32 balls of yarn
What color is math?
Pink/ Red
Ms. Inna makes a rectangular poster that is 5/6 yard long and 2/3 yard wide. What is the area of her poster in square yards? Show your work.
10/18 or 5/6 yards squared
Miss Jessica has a 1/4 cup ladle that she uses to pour dressing over salad. She uses one full ladle for each serving of salad. How many servings can she have if she has 2 cups of dressing?
8 servings
The 5th grade class is going on a field trip to the art museum. It costs $6.25 (including tax) for each student to get in with the student discount. If there are 29 students, how much will it cost for everyone to get in?
$181.25
Mrs. Rowley has $3.84. She needs to buy balls of yarn at the craft store. Each ball of yarn costs $0.12. What multiplication equation represents this problem that Ms. Rowley can use to find how many bolts she can buy?
$0.12 x ? = $3.84
Why is six afraid of seven?
Because seven ate nine!
Get it?!?!