Place Value
What is the value of the missing exponent in the equation 7 x 10^? = 70,000
A) 3
B) 4
C) 5
D) 6
B) 4
7,481 x 9
67,329
A tool company shipped 60 crates of power tools. Each crate weighed 5,000 kilograms. How many kilograms of power tools did the tool company ship?
300,000
Last year Alexis was hired to photograph 42 events. She took 1,275 pictures at every event.
Part A
How many event pictures did Alexis take last year?
53,550
math that you can easily do in your mind
Mental Math
In which number does the the 3 have a value that is 1/10 the value of the 3 in 94,318
A) 23,076
B) 58,943
C) 61,309
D) 74,235
306 x 17
5,202
A theatre has 21 rows of seating. There are 24 seats in each row. How many seats are in the theater?
504
Last year Alexis was hired to photograph 42 events. She took 1,275 pictures at every event.
PART B
Write an equation to model the solution to the problem
1,275 x 42 = 53,550
A good/educated guess
estimate
The position of 5 and 6 are switched in 2,567 to create a new number. What is the value of the 6 in the new number?
600
678 x 34
23,052
The average distance from Earth to the moon is about 240,000 miles. What is the distance written as a whole number multiplied by a power of 10?
24 x 10^4
24 x 10,000
24 x 10 x 10 x 10 x 10
The information below shows the cost of new volleyball equipment.
Volleyball = $36
Knee Pads = $19
Jersey = $28
If the coach orders 18 volleyballs and 15 jerseys, how much will she pay for the volleyball equipment?
$1,068
What are the rules for rounding?
0-4: Stay the Same
5-9: Round Up
True or False:
220 x 10^3 = 2,200,000
False
DAILY DOUBLE!
50,298 x 83
DAILY DOUBLE!
4,174,734
Edward has 189 stamps in his stamp collection. His grandfather has 5 times as many stamps in his collection. How many stamps does Edward's grandfather have?
945
two numbers that are multiplied
factors
The answer to a multiplication problem
product