Multiplying/Divide Fractions
3/4 x 5/7
15/28
1/2 + 2/4
1 (2/4 + 2/4 = 4/4 or 1 whole)
Write -1 19/50 as a decimal
-1.38
While working at a soup kitchen, Kari made a pot of vegetable soup to serve 25 people. She made 10 quarts of soup and gave each person an equal portion. How much soup did each person get?
10/25
2/7 x 7/10
1/5
1/3 + 1/3
2/3
Write 3.5 as a fraction (mixed number)
3 1/2
A factory makes sheets of metal that are 4/5 of an inch thick. If a worker at the factory makes a stack of 66 of the sheets, how many inches thick will the stack be?
52 4/5 inches
4/7 x 7/10 (Simplify)
2/5
7/12 + 1/6
9/12
Write 95 7/40 as a decimal.
95.175
The staff at McDonalds tracked how much ketchup was used each day. The staff used 1/2 of a bottle on Monday, 1/2 of a bottle on Tuesday, and 1/2 of a bottle on Wednesday. In total, how much ketchup was used?
1 1/2
4 divide by 1/5
20
4/5 - 3/8
17/40
Write 2 4/9 as a decimal
2.4 (repeating)
Ms. Applegate bought a 5lb bag of Jolly Ranchers. Her students eat 1/2lb per week. In how many weeks would the bag of Jolly Ranchers be gone?
5 divide by 1/2 = 10 weeks
1/3 divide by 3
1/9
1/2 + 1/4 divide by 4/5 + 3/4
1 9/16
Write -1/3 as a decimal
-0.6 (repeating)
A petri dish has 131 bacteria. Mrs. Graham let's the bacteria grow and now there are 768 bacteria in the petri dish. How many more bacteria are there now?
131 + x = 768. Solve using inverse operations. 768 - 131 = x. There are now 637 more bacteria in the dish than what Mrs. Graham started with.