In the number 32.5981, What digit is in the thousandth place?
The 8.
100
What is the first thing you do when adding or subtracting decimals?
Line up the decimals.
100
What is the product of 3.5 and 2.9?
10.15
100
Scientific is a short hand way of writing what kind of numbers?
Very large or very small number.
100
What are the 3 different measurement types in the metric system?
length, mass, capacity
200
Write the number in standard form. Seventy and eighty-six hundredths
70.86
200
What is 8.33 - 7.041?
1.289
200
What is the quotient of 3.744 divided by 11.7?
0.32
200
Write the decimal in expanded form. 69.13
60 + 9 + .1 + .03
200
Which is larger a hectoliter or a decaliter?
A hectoliter is 100 liters, a decalitr is 10 liters, so a hectoliter.
300
Order the numbers from least to greatest.
1.1, 0.10, 10.1. 0.101, 1.11
0.10, 0.101, 1.1, 1.11, 10.1
300
Describe and correct the error in finding the sum of
0.0385 + 2.58 = 24.43?
They didn't line up the decimal points, the correct answer should be
0.0385 + 2.58 = 2.6185
300
Find the area and perimeter of a rectangle that is 4.5mm by 3.1mm.
Perimeter is 15.2mm
Area is 13.95 square mm
300
What's wrong with this Scientific Notation equation?
32.384 x 10 to the 5th power
To be in scientific notation the 32.384 should read 3.2384
300
How do I know that the prefixes deci, centi, and milli all refer to decimals units and hecto, deca and kilo do not?
Deci, centi and milli all end in an "i"
400
Which statement is true?
A. 4.59 < 4.5
B. 7.41 > 7.401
C. 6.33 > 6.333
B. 7.41 > 7.401
400
Jared is 2.75 meters tall while on stilts and 1.6 meters tall without stilts. How far off the ground do the stilts raise Jared?
2.75 - 1.6 = 1.5 meters off the ground
400
A marathon is 26.2 miles. If you average 8.5 minutes per mile, in how many minutes can you run a marathon?
222.7 minutes
400
What is 4.2642 x 10 to the 8th power written in standard form?
426,420,000 (move the decimal 8 places to the right)
400
The mass of a pair of sneakers is approximately 1 what?
1 kilogram.
500
Write 3 numbers that are between 3.99 and 4.01
3.991, 3.992 (etc) and 4.0, 4.002, 4.008, (etc.)
500
The winning times in each division for a soapbox derby are 29.15 seconds, 29.78 seconds and 29.74 seconds. What is the difference between the fastest and slowest times?
29.78 - 29.74 = 0.04 seconds
500
Use compatible numbers to estimate 26.984 divided by 3.62.
27 divided by 3 = 9
500
Beneath Earth's crust, there are 3 layers. The mantle is 1.8 x 10 to the 3rd miles thick, the outer core is 1.4 x 10 to the 3rd miles thick and the inner core is 8 x 10 to the 2nd miles thick. Which layer is the thickest?
The mantle. 1.8 is larger than 1.4.
500
Complete the statement using <, >, =
9450 g _______ 9.45 kg