Word Problems!
Hannah counted 21 pieces of candy in a bag. She ate 4/7 bag of candy. How much candy did she eat?
Multiply! Hannah ate 4/7 bag of candy. She ate 4/7 OF 21 pieces of candy. We are asking, "What is 4/7 OF 21." Answer: 12
Objects on Neptune weigh about 4/5 of their weight on Earth. If a dog weighs 40 pounds on Earth, how much would it weigh on Neptune?
Multiply. A dog weighs 4/5 of its weight on Neptune. 4/5 of 40 pounds. We are asking, "What is 4/5 OF 40?" Answer: 32
What is the reciprocal of 3/5?
5/3
7 x 4/8
7/2 Or 3 and 1/2
9 x 7/10
63/10 Or 6 and 3/10
Most people dream about ¼ of the time they sleep. How long will you probably dream tonight if you sleep 8 hours?
Multiply. Most people dream 1/4 of the time they sleep, so we're asking, "What is 1/4 OF 8?" Answer: 2 hours
Casey has won ¾ of her hockey games. She has played 24 games. How many has she won?
Multiply! Casey won ¾ of her games. ¾ of 24 games. Answer: 18
What is the reciprocal of 2?
1/2
2/10 x 4/6
2/15
1/2 x 5/15
1/6
If one batch of cookies calls for 1 2/3 cups flour, how much flour will you need for 8 batches?
Multiply/Add. We could add 1 2/3 eight times, but anytime you can repeatedly add, you can also multiply! Answer: 13 1/3
Mary needs 3/7 cup of sugar to bake a cake. How much will she need to bake 3 cakes?
Multiply/Add. We could add 3/7 three times, but anytime we can repeatedly add, we can also multiply. Answer 1 2/7
What is the reciprocal of 0.3?
10/3
11/18 x 15/25
11/30
12/18 x 8/25
16/75
Ms. Jones has a bag of potatoes that weighs 4 2/3 lbs. She used 1/3 of the bag. How many lbs of potatoes did she use?
Multiply! Ms. Jones used 1/3 of the 4 2/3 pounds of potatoes. Answer: 1 5/9 OR 14/9
Bev wants to make 2 1/2 recipes of play clay for her daughter's birthday party. If each recipe calls for 3 2/3 teaspoons of salt, how much salt will she need?
Multiply! EACH recipe needs 3 2/3 teaspoons salt, and you are making 2 1/2 recipes Answer: 9 1/6
What is the reciprocal of 0.53?
100/53
3 and 2/5 x 2 and 1/17
7
1 and7/10 x 2 and2/3
68/15 Or 4 and 8/15
Ms. Swegman has 2 1/3 pounds of chocolate. She will use 2/3 of the chocolate for her holiday truffles. How much will she use?
Multiply. Ms. S used 2/3 of the chocolate. 2/3 OF 2 1/3 lbs. chocolate. Answer: 14/9 pounds OR 1 5/9 pounds
Ms. Campbell had 18 lbs of oranges. She gave away 5/6 of the oranges. How much did she keep for her family?
Multiply. She gave away 5/6 of the oranges and keep 1/6 of the oranges. "What is 1/6 OF 18 lbs." Answer: 3 lbs
What is the reciprocal of 2.46?
50/123
3 and 1/5 x 2 and 1/2
8
3 and 17/20 x 4 and 2/7
33/2 Or 16 and 1/2