Name the place value of the 3 in the following number
132,980
The 3 is in the ten thousands place
100
What is 1 more than 13.9?
14.9
13.9 + 1 = 14.9 because of place value
You must add the 1 to the 3 and not the 9
100
How can you tell if a number is rational?
A rational number must be able to be put in the form of a fraction (a/b)
Whole numbers and integers are rational because you can make them into a fraction by having their denominator be 1
Decimals must terminate or repeat to be a rational number.
100
Give an equivalent fraction to 1/2.
Possible answers 2/4, 3/6, 4/8, 5/10,....
100
What is the process for turning a fraction into a decimal?
Divide the numerator by the denominator.
Long division - denominator on the outside, numerator on the inside
Calculator - numerator divided by denominator
200
Name the place value of the 7 in the following number
4,132,980.657
The 7 is in the thousandths place
200
What is 5.43 times 10?
5.43*10 = 54.3
We learned to move the decimal one place value to the right when multiplying by ten
We would move it two places to the right if we were multiplying by 100...
200
What type of numbers are natural?
The counting numbers are rational. For example 1, 2, 3, 4, 5, ...
Excludes zero.
200
7/20 is equivalent to ?/100
35/100
20*5 = 100 so 7*5=35
200
What is the process for turning a decimal into a fraction?
Read the decimal using place value. Use the digits in the decimal as your numerator and the place value as your denominator.
For example 0.98 = 98/100 because you say "ninety-eight hundredths" when reading place value
300
This number is written in expanded form:
(4*10,000)+(9*1,000)+(5*100)+(3*10)+(4*1)
What is this number in standard form?
Standard Form - 49,534
"Forty-Nine Thousand Five Hundred Thirty-Four"
300
Give a number between 0.2 and 0.3.
Possible answers 0.21, 0.22, 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.29
You could also go any number of place values beyond the 0.2 for example 0.234 is between 0.2 and 0.3.
300
Out of the following numbers, which are intergers:
1.3, 5, 0, 7/8, -4
The integers are 5, 0 and -4.
Integers must be positive or negative whole numbers. No decimals or fractions.
300
Write 12/36 in simplest form.
12 divided by 12 = 1
36 divided by 12 = 3
12/36 = 1/3 "one third"
300
What is 2/5 as a decimal?
2/5 = 0.4 "Four Tenths"
400
Say this number correctly using place value:
324,905.006
"Three Hundred Twenty Four Thousand, Nine Hundred Five and Six Thousandths"
400
What number is halfway between 64 and 65?
64.5 or 64 and 1/2
"sixty-four and five tenths" or "sixty-four and one half"
400
Give an example of an irrational number.
Irrational numbers:
Pi, square root of two, a fraction where the denominator is zero
Any number that can not be put into a fraction - a decimal that does not terminate or repeat
400
Replace the blank with < , >, or =
2/5 ________ 1/3
2/5 ____>____ 1/3
2/5 = 0.4 1/3 = 0.333333...
"four tenths is greater than three tenths repeating"
400
Order the following numbers from least to greatest:
2, 0, -1.5, -2, 1
least to greatest:
-2, -1.5, 0, 1, 2
Negative numbers are smaller than positive numbers
500
This number is written in expanded form:
(9*10^3)+(5*10^2)+(2*10^1)
What is this number in standard form?
Standard form: 9,520
"Nine Thousand Five Hundred Twenty"
500
Fill in the blank with a <, >, or =
0.7 __________ 0.70
Read the whole number sentence.
0.7 _____=_____ 0.70
"Seven tenths is equivalent to seventy hundredths"
Because you can put as many zero's behind a decimal number that you want to and not change the value of the number.
500
Classify the number 0 (zero) as :
a natural number,
a whole number,
an integer,
a rational number,
an irrational number.
Use all that apply.
Zero is a whole number, integer, and rational number.
500
Out of the following fractions which ones are equivalent to 3/8:
6/16 9/27 8/3 30/80 27/72
6/16 , 30/80, 27/72
6/16 because you multiply num. & den. by 2
30/80 because you multiply num. & den. by 10
27/72 because you mulitply num. & den. by 9
500
What is 5 and 1/8 as a decimal?
5.125
Divide 1 into 8. Then use 5 as your ones digit.