Decimal Operations
1.456 + 3.4
4.856
Faye buys $9.75 worth of gummy bears. If she bought 3 pounds, how much do they cost per pound?
$3.25 per pound
8-2 2/3
5 1/3
A recipe requires 5/6 cup of sugar. If Ms. Sahr is going to make half of the recipe, how much sugar does she need?
5/12 cups of sugar
For which decimal operation(s) (addition, subtraction, multiplication, division) do you need to line up the decimal points?
Adding and subtracting
1.93 x 0.9
1.737
On Saturday morning, Alonso went to the farmer's market. He bought 3 eggplants for $5.79 each. He paid with $20. What change did he get back?
$2.63
1 8/9 + 2 6/11
4 43/99
Kira has an apple pie. She ate 1/3 of the pie. Aaryav ate 1/5 of the pie. How much of the pie is left?
7/15 of the pie
For which mixed number operation(s) (addition, subtraction, multiplication, division) do you need to get common denominators?
Adding and subtracting
56 - 0.218
55.782
Sydney is making a bracelet at a camp using beads that are 1.64 cm long. What will be the length of her bracelet if she uses 19 beads?
31.16 cm
1 1/8 - 3/4
3/8
A piece of thread is 11/12 inches long. Anita needs to cut the thread into 1/6 inch segments. How many full segments can she cut?
5 segments
For which decimal operation(s) (addition, subtraction, multiplication, division) do you need to count the number of digits after the decimal points?
Multiplication
2,730 -: 1.3
2,100
In a relay race the team had a total time of 5.67 minutes. Here are 3 of the runners times: 1.2, 2.09, 1.78. What is the fourth runner's time?
0.6 minutes
3 2/3 times 2 3/4
10 1/2
A 15-pound bag of sugar is being split up into containers that hold 7/8 of a pound. How many containers of sugar will the 15-pound bag fill?
17 containers
For which mixed number operation(s) (addition, subtraction, multiplication, division) do you need to convert mixed numbers into improper fractions as a first step?
Multiplication and division
807.3 -: 9
89.7
A jar of olives is priced at $15.18 for 6.6 ounces. What is the price of one ounce of olives?
$2.30 per ounce
1/2 divide 1 1/4
2/5
Livia uses 1/3 cup of milk each time she makes a batch of pancakes. How many batches can she make if she only has 11/12 cup of milk left?
2 batches of pancakes
List the FOUR steps for dividing by mixed numbers.
1. Convert to improper fractions
2. Keep Change Flip
3. Multiply (or cross simplify)
4. Simplify (or multiply)