Powers of Ten
Find the Value
103
1000
Adalee baked 24 cupcakes. Her sister ate 3 cupcakes, and her brother ate 2 cupcakes. Which expression can Adalee use to find how many cupcakes are left?
24 + (3 – 2)
24 – (3 + 2)
(24 – 3) + 2
24 – (3 + 2)
Rayna travels 234 miles every day. How many miles does the Rayna travel in 5 days?
1,170 miles
Sam is using a microscope to look at a plant specimen. The microscope magnifies the specimen
4 × 102 times. If the specimen is 3 centimeters long, how long will the magnified specimen appear to be?
1200 centimeters
What is the exponent form of
10 X 10 X 10 X 10
104
Mr. Hock's band class has 18 string musicians, 9 percussion musicians, 15 brass musicians, and 12 woodwind musicians. Six of the musicians cannot play in the next performance. If the remaining musicians plan to sit in rows of 6 chairs, how many rows of chairs are needed?
8
Rebecca and Lilly are both saving money to buy Lilly a car. So far, Rebecca has saved $1,235. Lilly has saved 5 times as much as Rebecca. How much has Lilly saved?
$6,175
A publisher reports that it sold 2,419,386 children’s magazines. What is the value of the digit 9 in 2,419,386?
400,000
What is the word form of
10 X 10
the second power of ten
Ari decided to buy 300 shares of stock in an electronics company. Each share costs $60. Which of the following could Ari use to find the total amount he will pay for the stock?
(6 × 3) × 102 = 1,800
(6 × 3) × 103 = 18,000
(6 × 3) × 104 = 180,000
(6 × 3) × 103 = 18,000
There are 6 school buses taking students on a field trip. There are 37 students on each bus. How many students are going on the field trip?
222
What is the value of the numerical expression?
(57 + 4) × 4 - 16
228
Which shows 5,000 as a whole number multiplied by a power of ten?
5 x 101
5 x 102
5 x 103
5 x 103
Madison took 42 photos with her digital camera. She stored an equal number of photos in each of 3 folders on her computer. Which number sentence could Madison use to find the number of photos in each folder?
3 × 14 = 42
3 × 42 = 126
3 × 40 = 120
3 × 14 = 42
Alex has 16 postcards from each of 8 different cities in Pennsylvania. He can fit 4 postcards on each page of his scrapbook. How many pages in the scrapbook can Alex fill with postcards?
32
Alexa can type 157 words per minute. If she types at the same rate, how many words can she type in 25 minutes?
3,925
What is another way to express 104?
Hint: you are not finding the value
10 x 10 x 10 x 10
Gracie's family is going to a beach resort. Gracie bought 7 beach towels that cost $13 each to take to the resort. To find the total cost, she added the products of 7 × 10 and 7 × 3, for a total of $91. What property did Sherry use?
Hint: She broke down the 13 into it's value.
Distributive
There are 6 buses transporting students to the Tyrone football game with 32 students on each bus. Each row at the football stadium seats 8 students. If the students fill up all of the rows, how many rows of seats will the students need altogether?
24
Lillian burns 354 calories in 1 hour at the circus. She practiced for 28 hours last month. How many calories did Lillian burn in all last month from the circus?
9,912 calories