Powers of 10
6.4 x 103 =
what is 6,400
Lawrence has a shelf that is 1.3 m high. If he places a lamp that is 45 cm high on top of the shelf, what is the height from the floor to the top of the lamp in meters?
what is 1.75 meters
Sample work
45 cm ÷ 102= 0.45 m
1.3 m + 0.45 m = 1.75 m
189.6 x 1.75 =
what is 331.8
Rosie collected 4 times as many bags of cans as her friend. If her friend collected 0.87 of a bag, how much did Rosie collect?
what is 3.48 bags of cans
Find the Mean (no calculator)
10 , 9 , 10 , 11 , 13 , 13 , 5
what is 10.1
5.6 x 102 =
what is 560
Devlin has a cat, named Molar and a parrot named Dish. Her cat weighs 2.3 kg and her parrot weighs 65 g. How many more kilograms does the cat weigh than the parrot?
what is the cat weighs 2.235 kg more than the parrot.
Sample Work:
65 g ÷ 103= 0.065 kg
2.3 kg - 0.065 kg = 2.235 kg
5.22 / 3 =
what is 1.74
A new washing machine used 2.47 liters of water per full load to clean clothes. If Cheddar washed 4.7 loads of clothes, how many liters of water would be used?
what is 11.609 liters of water
Find the Median
19 , 10 , 6 , 1 , 6 , 8 , 8 , 20 , 19
what is 8
5.23 / 102 =
what is 0.0523
There are 43 milligrams of caffeine in a bottle of iced tea. How many grams of caffeine is that?
what is 0.043 g
Sample work:
43 / 103 = 0.043
2.79 ÷ 0.9 = ?
what is 3.1
Daphne goes to the neighborhood store to buy 14 rolls of paper towels. If she pays $20.02 in all for her purchase, how much does one roll of paper towel cost?
what is $1.43 per roll
Find the Mode
65 , 56 , 52 , 57 , 60 , 53 , 53 , 52 , 67 , 52
what is 52
360 / 103 =
what is 0.36
Anderson and Kyle are doing a 5 km walk for charity. They passed a sign that said, “Only 100 meters to go!” How many km had Anderson and Kyle walked when they passed the sign?
what are Tina and Kyle had walked 4.9 km when they passed the sign.
Sample Work
1,000 m = 1 km
100 m ÷ 103= 0.1 km
5 km - 0.1 km = 4.9 km
1.92 ÷ 0.16 = ?
what is 12
Jack buys a set of 3 movie DVDs. If he is charged $37.94 in all on his purchase, how much does each DVD cost? (Round to the nearest hundredth)
what is $12.65 for DVD
Find the range
32 , 38 , 36 , 63 , 26 , 20 , 26 , 50 , 53
What is 43
(4.8 x 103) x 102=
what is 480,000
There are 8 servings in a large container of orange juice. If each serving has 60 mg of vitamin C, how many grams of vitamin C are in the whole container?
what is there are 0.48 g of vitamin C in the container
Sample Work:
60 mg × 8 = 480 mg
1,000 mg = 1g
480mg ÷ 103= 0.48 g
1,094.25 x 22.6 =
what is 24,730.05
The fifth graders took a trip to the Bronx Zoo. Eighty-three students went on the field trip. Adult tickets were free. The school had to pay a $5.00 parking fee. The total bill for entering the park was $586.00. How much was the entrance fee for each child?
what is $7.00 per student
At Pilachowski's Pizza Palace in the 6 hours they were open they sold the following number of pizzas: 55 pepperoni, 57 sausage, 50 cheese, 51 mushroom, 61anchovies and 50 pineapple. Determine the mean (rounded to the nearest tenth),median, mode and range of the number of pizzas sold.
What is
Mean: 54
Median: 53
Mode: 50 = 2×
Range: 11