Exponents
Write the exponent as a multiplication expression. 104 and find the total.
10X10X10X10 = 10,000
A freezer shaped like a rectangular prism is 6 feet long, 2 feet wide and 13 feet tall. What is the volume?
156 cubic feet
Oliver uses 1/6 gallon of water for his outdoor plants. He uses 1/4 gallon of water for his indoor plants. How many gallons of water does he use altogether?
3/12 +2/12 = 5/12 gallon
Anna has $40 to spend on music. If each song costs $1.29 does she have enough money to download 16 songs? How many more songs could she download?
$1.29 X 16 = 20.64
40.00-20.64 = 19.36
20.64 / 1.29 = 15 with a reminder
Yes she can buy 16 songs and she could get another 15 so a total of 31 songs.
6 / 0.2
60 / 20 = 30
Write the exponential form of 100
102
The base of a building A is 32 square feet. The height is 72 feet. The base of building B is 18 feet and the height is 85 feet. Tommy says building B has more volume because it is taller. Is he correct?
Building A = 32 X72 = 2,304 cubic feet
Building B = 85 X 18 = 1,530 cubic feet
Tommy is wrong.
A chef bought 5 1/4 lb of almonds. IN two days he used 3 7/10 pounds. HOw many pounds of almonds does he have left?
5 1/4 -3 7/10
1 9/20 pounds left
Maya has 3.8 L of a solution. She needs 4.3 times more than she already has. How much does she need?
3.8 L X 4.3 = 16.34 L
A grocery store to a delivery of 24 pounds of almonds. They package the almonds into containers with 0.75 pound of almonds in each. How many containers can they fill?
24 / 0.75
2400 /75 = 32 containers
Rachel finds the value of 105 as 10 X = 50 is she correct? If not how should you you correct it?
Rachel is not correct. When using exponents you multiply the base number times itself the number of times as the exponent.
105 = 10X10X10X10X10 = 100,000
A cargo container has a volume of 108 cubic meters, a height of 3 meters and a width of 2 meters. How long is the cargo container?
3 X 2 = 6
108 / 6 = 18 meters
2/3 X 4/9 =
8/27
Rebecca cut 8 ribbons to the same length of 0.86 m. How much ribbon did Rebecca use in all?
8 X 0.86 = 6.88 meters of ribbon
Melissa has $30 to spend on apples from an orchard. IT costs $1.25 per pound. How many apples can she buy?
30 / 1.25
3000 / 125 = 24 pounds
33 X 103
33,000
Lisa is building a rectangular planter that is 2 feet wide, 4 feet long and 1 foot high. She has 3 cubic feet of soil. How much more soil does she need to fill the planter?
2 X 4 X 1 = 8 cubic feet
8- 3 = 5
She needs 5 cubic feet of soil
On Sunday Aisah used 3/4 bag of oranges to make orange juice. ON MOnday she used 4/5 as many ornges. How many did she use on MOnday?
3/4 X4/5 = 12/20
Kara has a bag of apples. Each apple weights 0.4 pounds. There are 17 apples in her bag. What is total wight of her apples?
0.4 X 17 = 6.8 pounds
Saffron has 4 cups of chocolate chips. She has a muffin recipe that calls for 1/8 cup of chocolate chips per muffin. how many muffins can she make?
4 divided by 1/8 = 32 muffins
43 X _____ = 4,300,000
105
60 divided by 3 = 20
Lengths and widths could be:
20 X1
4 X 5
2 X 10
Anna walked 5/8 of a 9 mile trail. HOw many miles did she walk?
5/8 X 9 - 45/8 = 5 5/8 miles
Amy drove 13.4 miles on Monday and 11.25 miles on Tuesday. How much farther did she drive on Monday than Tuesday?
13.40-11.25 = 2.15 miles farther
A relay race is 1/2 mile long. How far does each person run if there are 3 members on the team?
1/2 divided by 3 = 1/6 mile