Write the place and value of the number 3 in the following number. 1,234,567
What is ten thousandths; 30,000
100
In the number 10^7 which number is the base and which number is the exponent?
10 is the base and 7 is the exponent.
100
Write the place and value of the number 4 in the following number. 12.9284
Ten thousands; 0.0004
100
3.98 X 10 =
39.8
100
Suppose two darts hit a target that has two rings. The outer ring is worth 50 points, and the inner ring is worth 150 points. Make an organized list to show all of the possible scores.
50 150 Total
** 100
* * 200
** 300
200
What is 18,429,000,050,000 in short word form?
18 trillion, 429 billion, 50 thousand
200
How many times would 10 be used as a factor to equal 100,000?
5 times
200
Use >, <, or = to compare 0.721 and 0.7021
0.721 > 0.7021
200
1,342.9 divided by _____________ = 1.3429
1,000 or 10^3
200
Write a problem you can solve by making an organized list.
Example: Suppose 3 darts hit a target that has two rings; a 25 point ring and a 100 point ring. How many possible scores are there? (4)
300
What is the expanded form of 57,000,000,090?
50,000,000,000 + 7,000,000,000 + 9 or (5 X 10,000,000,000) + (7 X 1,000,000,000) + (9 X 1)
300
Write 37,169 in expanded form using exponents.
(3 X 10^4) + (7 X 10^3) + (1 X 10^2) + (6 X 10^1) + (9 X 10^0)
300
What would happen if you removed the decimal point from a number?
The number would become a whole number, and its value would be greater.
300
Explain how to move the decimal point when you are multiplying by the power of 10.
Count the number of zeros in the standard form or use the exponent of the base and move the decimal point that many places to the right.
300
What is the decimal portion of 63.029? What is the whole number portion?
Decimal: 0.029
Whole Number: 63
400
How would you write the number of stars in the Milky Way Galaxy in standard form? (200 billion stars in galaxy)
200,000,000,000
400
Using >, <, and = please show and explain how to compare 2^5 and 5^2.
2^5 = 2x2x2x2x2 = 32
5^2 = 5x5 =25
so 2^5 > 5^2 or 5^2 < 2^5
400
Explain why 46.59 is less than 46.6.
0.6 = 0.60 and 0.59 < 0.60
400
Jimmy says that if you multiply any whole number or decimal by 100, all you have to do is move the decimal point to the hundreds place. Is he right?
No! When multiplying and number by 100, you move the decimal point 2 places to the right.
400
Write a decimal that has the digit 9 in the tenths place and the ten thousandths place.
Example: 1.9009
500
Describe how you would use the standard form of a number to write the short word form.
Identify each period for the digits separated by commas, then write the digits with the name of the period.
500
You invest $1 in a mutual fund. Every 8 years, your money doubles. If you don't add more money, which expression shows how much your investment is worth after 48 years?
A. 1^48
B. 1x2x2x2x2x2
C. 1+2+2+2+2+2+2
D. 1x2x2x2x2x2x2
D. 1x2x2x2x2x2x2
500
A redwood tree has a diameter of 30.2 ft. Lynn says this tree has a smaller diameter that a tree with a diameter of 30.20 because 2 is less than 20. Is Lynn correct?
No, they are equal. 0.2 = 0.20
500
A bottle contains 1,500 milliliters of water. Which expression can be used to find the number of 100-milliliter glasses that can be filled with water?
A. 1.5 X 100
B. 1,500 divided by 100
C. 1.5 divided by 100
D. 150 divided by 100
B. 1,500 divided by 100
500
Is a decimal with 4 digits always greater than a decimal with 3 digits? Give an example and explain.