Fractions as Division
Taylor uses 5 yards of gold ribbon to
decorate 8 costumes for the school play. She uses the same amount of ribbon for each costume. How many yards of ribbon does she use for each costume?
5/8
What multiplication problem is shown with the model?
Model #1
2/3 x 4/5
1/2 x 2/3
2/6
Chandra has 4 math problems, she spends 15 minutes completing them all. She spends the same amount of time on each problem. How many minutes does she spend on each problem?
15/4 or 3 & 3/4
What multiplication problem is shown in the model?
Area Model #2
3/5 x 2/7
1/4 x 2/3
2/12
Roger has 4 gallons of orange juice. He puts
the same amount of juice into each of 5 pitchers. How many gallons of orange juice are in each pitcher?
4/5
What multiplication problem is shown with the model?
Model #3
2/5 x 2/3
7/8 x 2/3
14/24
Which situation represents 8/7?
A. Frank opens 7 packs of baseball cards and shares them equally for 8 friends.
B. Cameron makes 7 equal servings of trail mix from a 8 ounce bag.
C. Rick buys 8 boxes of pencils with 7 pencils in each box.
B.
Which multiplication problem is shown by the model?
Model #4
3/8 x 3/5
9/5 x 2/3
Simplify
1 & 3/15 or 1 & 1/5
Which situation represents 25/9?
A. Selena gives away 9 stickers from a stack of 25 stickers.
B. Penny cuts 25 yards of ribbon equally to make 9 banners.
C. Mike makes 9 rows with 25 buttons each.
B
What multiplication problem is shown by the area model?
Model #5
1/3 x 2/5
6/2 x 4/5
24/10 or 2 & 4/10