question: How to use a set to represent natural numbers?

options:
- {2,3,4,5,...}
- {1,2,3,4,5,...}
- {-1,0,1,2,3,4,5,...}
- {0,1,2,3,4,5,...}

topic: Primary--Introduction to Numbers and Algebra--Integers and Decimals


question: How to use a set to represent natural numbers?

options:
- {2,3,4,...}
- {0,1,2,3,4,...}
- {...,-2,-1,0,1,2...}
- {1,2,3,4,...}

topic: Primary--Introduction to Numbers and Algebra--Integers and Decimals


question: How to use a set to represent integers?

options:
- {...,-3,-2,-1,0,1,2,...}
- {2,3,4...}
- {1,2,3...}
- {0,1,2,...}

topic: Primary--Introduction to Numbers and Algebra--Integers and Decimals


question: What properties of addition do this equation reflect: a+0=a

options:
- Inverse Property
- Associative Property
- Identity Property of Zero
- Commutative Property

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: What properties of addition do this equation reflect: a+(-a)=0

options:
- Inverse Property
- Identity Property of Zero
- Associative Property
- Commutative Property

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: What properties of addition do this equation reflect: a+b=b+a

options:
- Commutative Property
- Associative Property
- Identity Property of Zero
- Inverse Property

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: What properties of addition do this equation reflect: a+(b+c)=(a+b)+c

options:
- Commutative Property
- Associative Property
- Inverse Property
- Identity Property of Zero

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: What properties of multiplication do this equation reflect: $a\cdot 0=0$

options:
- Property of Zero
- Inverse Property
- Identity Property of One
- Commutative Property

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: What properties of multiplication do this equation reflect: $a\cdot 1=a$, when $a\neq 0$

options:
- Property of Zero
- Inverse Property
- Identity Property of One
- Commutative Property

topic: Primary--Introduction to Numbers and Algebra--Basic Concepts of Equations


question: What properties of multiplication do this equation reflect: $a\cdot \frac{1}{a}=1$, when $a\neq 0$

options:
- Identity Property of One
- Inverse Property
- Property of Zero
- Commutative Property

topic: Primary--Introduction to Numbers and Algebra--Basic Concepts of Equations


question: What properties of multiplication do this equation reflect: $a\cdot b=b\cdot a$

options:
- Identity Property of One
- Commutative Property
- Property of Zero
- Inverse Property

topic: Primary--Introduction to Numbers and Algebra--Basic Concepts of Equations


question: What properties of multiplication do this equation reflect: $a\cdot (b\cdot c)=(a\cdot b)\cdot c$

options:
- Associative Property
- Property of Zero
- Identity Property of One
- Inverse Property

topic: Primary--Introduction to Numbers and Algebra--Basic Concepts of Equations


question: What properties of division do this equation reflect: $\frac{0}{a}=0$, when $a\neq 0$

options:
- Identity Property of One
- Property of Zero
- Property of One
- Inverse Property

topic: Primary--Introduction to Numbers and Algebra--Basic Concepts of Equations


question: What properties of division do this equation reflect: $\frac{a}{a}=1$, when $a\neq 0$

options:
- Associative Property
- Identity Property of Zero
- Property of Zero
- Property of One

topic: Primary--Introduction to Numbers and Algebra--Basic Concepts of Equations


question: What properties of division do this equation reflect: $\frac{a}{1}=a\cdot 1$

options:
- Identity Property of Zero
- Identity Property of One
- Associative Property
- Inverse Property

topic: Primary--Introduction to Numbers and Algebra--Basic Concepts of Equations


question:
Which operation are the following words and symbols used for?
Sum, total, increase, plus, addend + addend = sum

options:
- Subtraction
- Division
- Multiplication
- Addition

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question:
Which operation are the following words and symbols used for?
Difference, decrease, minus, minuend - subtrahend = difference

options:
- Addition
- Subtraction
- Multiplication
- Division

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question:
Which operation are the following words and symbols used for?
Product, of, times, $a\times b, a\cdot b, (a)(b), ab$

options:
- Subtraction
- Addition
- Multiplication
- Division

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question:
Which operation are the following words and symbols used for?
Quotient, per, divided by, $a\div b = \frac{a}{b}= a/b$, dividend $\div$ divisor = quotient

options:
- Division
- Subtraction
- Multiplication
- Addition

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: Which order of operation is correct when we're doing the calculation?

options:
- First,addition and subtraction are done from left to right. Second, solve all multiplication and division, working from left to right. Third, work out any exponents. Fourth, simplify any expressions inside parentheses.
- First, simplify any expressions inside parentheses. Second, work out any exponents. Third, solve all multiplication and division, working from left to right. Fourth, addition and subtraction are done last, from left to right.
- First,work out any exponents. Second, solve all multiplication and division, working from left to right. Third, addition and subtraction are done from left to right. Fourth, simplify any expressions inside parentheses.
- First,solve all multiplication and division, working from left to right. Second, work out any exponents. Third, addition and subtraction are done from left to right. Fourth, simplify any expressions inside parentheses.

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: -a-b=

options:
- (-a)+(-b)
- a+(-b)
- a+b
- (-a)+b

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: (-a)+(-b)=

options:
- -a-b
- a+b
- (-a)+b
- a+(-b)


question: $-a+b=$

options:
- $-a-b$
- $b+a$
- $a-b$
- $b-a$


question: $b-a=$

options:
- $-a-b$
- $-a+b$
- $a-b$
- $b+a$


question: $a-(-b)=$

options:
- $a+b$
- $-a-b$
- $a-b$
- $b-a$


question: a+b=

options:
- $-a-b$
- $a-b$
- $a-(-b)$
- $b-a$


question: $-a\cdot b$=

options:
- $ab$
- All the other options are wrong
- $-ab$
- $a^b$

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: $-a\cdot -b$=

options:
- $ab$
- $-ab$
- All the other options are wrong
- $a^b$

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: ab=

options:
- $-a\cdot b$
- $a^b$
- $-a\cdot -b$
- $a\cdot -b$


question: $\frac{-a}{-b} $=

options:
- $\frac{-a}{b} $
- $ab$
- $\frac{a}{-b} $
- $\frac{a}{b} $

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: $\frac{a}{b} $=

options:
- $\frac{-a}{b} $
- $ab$
- $\frac{a}{-b} $
- $\frac{-a}{-b} $

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: $-a{\div} b$=

options:
- $-\frac{a}{b} $
- $\frac{a}{b} $
- $ab$
- All the other options are wrong

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: $-\frac{a}{b} $=

options:
- All the other options are wrong
- $a{\div} b$
- $-a{\div} b$
- $ab$

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: A rate is a comparison of  () quantities with different units.

options:
- two
- three
- four
- five

topic: Primary--Introduction to Numbers and Algebra--Ratios and Proportions


question: A ratio is a comparison of two quantities with () units.

options:
- all
- All the other options are wrong
- the same
- different

topic: Primary--Introduction to Numbers and Algebra--Ratios and Proportions


question: A proportion is a statement in which () ratios or rates are equal.

options:
- two
- four
- All the other options are wrong
- three

topic: Primary--Introduction to Numbers and Algebra--Ratios and Proportions


question: A percent is the number of parts out of ()

options:
- 50
- 100
- All the other options are wrong
- 1000

topic: Primary--Introduction to Numbers and Algebra--Fractions and Percentages


question: The numbers after the decimal point represent fractions with denominators that are powers of <<<Answer>>>.

options:
- 1/100
- 1/10
- 10
- 100

topic: Primary--Introduction to Numbers and Algebra--Integers and Decimals


question: To add or subtract decimal numbers, line up the numbers so that the decimal points are <<<Answer>>>.

options:
- one digit difference
- arranged
- unaligned
- aligned

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: To multiply decimal numbers, multiply them as though they were whole numbers. The number of decimal places in theproduct is the <<<Answer>>> of the number of decimal places in thefactors.

options:
- sum
- quotient
- product
- difference

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: To divide decimal numbers, first make sure the divisor is awhole number. If it is not, move the decimal place to the <<<Answer>>>(multiply by 10, 100, and so on) to make it a whole number.

options:
- right
- first left then right
- first right then left
- left

topic: Primary--Introduction to Numbers and Algebra--Four Operations


question: To change a number from a percent to a decimal, divide by <<<Answer>>> and drop the percent sign.

options:
- 1000
- 10
- 100
- 0.01

topic: Primary--Introduction to Numbers and Algebra--Fractions and Percentages


question: To change a number from a decimal to a percent, multiply by <<<Answer>>> and add the percent sign.

options:
- 1000
- 0.01
- 10
- 100

topic: Primary--Introduction to Numbers and Algebra--Fractions and Percentages


question: To change a number from a decimal to a percent, multiply by <<<Answer>>> and add the percent sign.

options:
- 1000
- 0.01
- 10
- 100

topic: Primary--Introduction to Numbers and Algebra--Fractions and Percentages


question: Mean, or average, is the <<<Answer>>> of all the data values divided by the <<<Answer>>> of values.

options:
- number, sum
- mean, number
- sum, number
- median, number

topic: Primary--Introduction to Numbers and Algebra--Fractions and Percentages


question: Median is the number that separates the list of data into two equal parts. To find the median, list the data in order from <<<Answer>>> to <<<Answer>>>.

options:
- smallest, largest
- first, last
- largest, smallest
- last, first

topic: Primary--Introduction to Numbers and Algebra--Fractions and Percentages


question: List the data in order from smallest to largest. If the number of data is odd, what is the median? If the number of data is even, what is the median?

options:
- The average of the two middle numbers. The average of the two middle numbers.
- The middle number. The average of the two middle numbers.
- The middle number. The middle number.
- The average of the two middle numbers. The middle number.

topic: Primary--Introduction to Numbers and Algebra--Fractions and Percentages


question: Mode is the number in the list that occurs the most frequently. There can be () mode in a list of four elements.

options:
- two
- zero
- five
- None of the above

topic: Primary--Introduction to Numbers and Algebra--Fractions and Percentages


question: Given the rate at which you are traveling and the length of time you will be traveling, the distance can be found by using the formula

options:
- $d=r\cdot t$
- None of the above
- d=r{\div} t
- $d=r+t$

topic: Primary--Comprehensive Application--Typical Application Problems


question: In U.S. measurement, the abbreviation "in." stands for the unit of length known as ?

options:
- input
- institute
- inch
- interest

topic: Primary--Comprehensive Application--Typical Application Problems


question: In U.S. measurement, the abbreviation "in." stands for the unit of length known as ?

options:
- fort
- fountain
- forty
- foot

topic: Primary--Comprehensive Application--Typical Application Problems


question: In U.S. measurement, the abbreviation "min" stands for the unit of time known as ?

options:
- minim
- minimal
- minimalism
- minute

topic: Primary--Comprehensive Application--Typical Application Problems


question: In U.S. measurement, the abbreviation "sec" stands for the unit of time known as ?

options:
- second
- secretary
- section
- secret

topic: Primary--Comprehensive Application--Typical Application Problems


question: In U.S. measurement, the abbreviation "gal" stands for the unit of volume known as?

options:
- galactose
- galah
- galaxy
- gallon

topic: Primary--Comprehensive Application--Typical Application Problems


question: In U.S. measurement, the abbreviation "yd" stands for the unit of length known as?

options:
- yard tool
- yardstick
- yard
- yardma

topic: Primary--Comprehensive Application--Typical Application Problems


question: In U.S. measurement, the abbreviation "pt" stands for the unit of volume known as?

options:
- pintail
- pint-sized
- pint
- pintle

topic: Primary--Comprehensive Application--Typical Application Problems


question: In U.S. measurement, the abbreviation "oz" stands for the unit of weight known as?

options:
- ounce
- ouncet
- ounce-sized
- ounceful

topic: Primary--Comprehensive Application--Typical Application Problems


question: In U.S. measurement, the abbreviation "c" stands for the unit of volume known as?

options:
- cupcake
- cup
- cupola
- cupbearer


question: In U.S. measurement, the abbreviation "mi" stands for the unit of length known as?

options:
- mileometer
- mile
- milestone
- milepost


question: In U.S. measurement, the abbreviation "hr" stands for the unit of time known as?

options:
- horoscope
- hour
- hourly
- horologist


question: In U.S. measurement, the abbreviation "lb" stands for the unit of weight known as?

options:
- poundage
- poundcake
- pounder
- pound


question: In U.S. measurement, the abbreviation "qt" stands for the unit of volume known as?

options:
- quartus
- quartile
- quart
- quartet


question: In U.S. measurement, the abbreviation "T" stands for the unit of weight known as?

options:
- tonal
- ton
- tonify
- tonnage


question: In the International System of Units, the abbreviation "mm" stands for the unit of length known as?

options:
- millimeter
- milliliter
- milliampere
- millibar


question: In the International System of Units , the abbreviation "cm" stands for the unit of length known as?

options:
- campaign
- campus
- centimeter
- camera


question: In the International System of Units , the abbreviation "km" stands for the unit of length known as?

options:
- kilowatt-hour
- kilowatt
- kilometer
- kiloliter


question: In the International System of Units, the abbreviation "m" stands for the unit of length known as?

options:
- millibar
- milliliter
- meter
- milliampere


question: In the International System of Units, the abbreviation "mL" stands for the unit of volume known as?

options:
- milliampere
- millibar
- millimeter
- milliliter


question: In the International System of Units, the abbreviation "cL" stands for the unit of volume known as?

options:
- centigrade
- centimeter
- centiliter
- centigram


question: In the International System of Units, the abbreviation "L" stands for the unit of volume known as?

options:
- light
- latitude
- length
- liter


question: In the International System of Units, the abbreviation "kL" stands for the unit of volume known as?

options:
- kiloliter
- kilowatt
- kilometer
- kilowatt-hour


question: In the International System of Units, the abbreviation "mg" stands for the unit of mass known as?

options:
- milliliter
- milligram
- millibar
- milliampere


question: In the International System of Units, the abbreviation "cg" stands for the unit of mass known as?

options:
- centigram
- centimeter-gram-second  system
- centimeter
- centiliter


question: In the International System of Units, the abbreviation "g" stands for the unit of mass known as?

options:
- gigahertz
- gigawatt
- gigabyte
- gram


question: In the International System of Units, the abbreviation "kg" stands for the unit of mass known as?

options:
- kilowatt
- kilogram
- kilometer
- kilobyte


question: In U.S. measurements, how many inches make up one foot?

options:
- 10 inches
- 12 inches
- 8 inches
- 6 inches


question: In U.S. measurements, how many yards are equivalent to one mile?

options:
- 5,280 yards
- 16,000 yards
- 1,760 yards
- 10,000 yards


question: In U.S. measurements, how many cups are equivalent to one pint?

options:
- 1 cup
- 4 cups
- 2 cups
- 8 cups


question: In U.S. measurements, how many quarts make up one gallon?

options:
- 16 quarts
- 2 quarts
- 4 quarts
- 8 quarts


question: In U.S. measurements, how many pounds are equivalent to one ton?

options:
- 2000 pounds
- 2500 pounds
- 3000 pounds
- 3500 pounds


question: In U.S. measurements, approximately how many feet are equivalent to one meter?

options:
- 3 feet
- 2 feet
- 4 feet
- 1 foot


question: In U.S. measurements, how many feet are equivalent to one mile?

options:
- 5,280 feet
- 1,000 feet
- 20,000 feet
- 10,000 feet


question: In U.S. measurements, how many ounces are equivalent to one cup?

options:
- 32 ounces
- 24 ounces
- 16 ounces
- 8 ounces


question: In U.S. measurements, how many pints make up one quart?

options:
- 4 pints
- 8 pints
- 3 pints
- 2 pints


question: In U.S. measurements, how many ounces are equivalent to one pound?

options:
- 24 ounces
- 32 ounces
- 12 ounces
- 16 ounces


question: In the International System of Units (SI), how many millimeters are there in one meter?

options:
- 10,000 millimeters
- 1,000 millimeters
- 100 millimeters
- 0.001 millimeters


question: How many meters are there in one kilometer?

options:
- 2,000 meters
- 10,000 meters
- 1,000 meters
- 500 meters


question: How many milliliters are there in one liter?

options:
- 500 milliliters
- 10,000 milliliters
- 1,000 milliliters
- 2,000 milliliters


question: How many milligrams are equivalent to one gram?

options:
- 10,000 milligrams
- 500 milligrams
- 1,000 milligrams
- 2,000 milligrams


question: How many meters are there in one millimeter?

options:
- 0.1 meters
- 0.0001 meters
- 0.001 meters
- 0.01 meters


question: How many grams are there in one milligram?

options:
- 1 gram
- 0.1 grams
- 0.01 grams
- 0.001 grams


question: How many liters are there in one milliliter?

options:
- 0.1 liters
- 0.001 liters
- 0.01 liters
- 1 liter


question: How many centimeters are there in one meter?

options:
- 1,000 centimeters
- 100 centimeters
- 10 centimeters
- 10,000 centimeters


question: How many centiliters are there in one liter?

options:
- 10,000 centiliters
- 1,000 centiliters
- 100 centiliters
- 10 centiliters


question: How many centigrams are there in one gram?

options:
- 100 centigrams
- 50 centigrams
- 1,000 centigrams
- 10 centigrams


question: How many grams are there in one kilogram?

options:
- 500 grams
- 10,000 grams
- 1,000 grams
- 2,000 grams


question: How many meters are there in one centimeter?

options:
- 0.0001 meters
- 0.001 meters
- 0.00001 meters
- 0.01 meters


question: How many grams are there in one centigram?

options:
- 0.001 grams
- 0.0001 grams
- 0.00001 grams
- 0.01 grams


question: How many liters are there in one centiliter?

options:
- 0.01 liters
- 0.0001 liters
- 0.1 liters
- 0.001 liters


question: What is the definition of the perimeter of a geometric figure?

options:
- The area inside the figure.
- The volume of the figure.
- The length of the longest side of the figure.
- The distance around the figure or the sum of the lengths of its sides.


question: What is the formula for calculating the perimeter of a rectangle?

options:
- $Perimeter = length * width$
- $Perimeter = 2 * (length + width)$
- $Perimeter = (length + width) / 2$
- $Perimeter = length + width$


question: How is the perimeter of a square calculated?

options:
- $Perimeter = side length * 4$
- $Perimeter = (side length)^2$
- $Perimeter = side length / 4$
- $Perimeter = side length + side length$


question: What is the formula for calculating the area of a rectangle?

options:
- $A = L + W$
- $A = L * W$
- $A = L / W$
- $A = (L + W) / 2$


question: What is the formula for calculating the area of a square?

options:
- $A = S + S$
- $A = S / S$
- $A = S * S$
- $A = (S + S) / 2$


question: What is the formula for calculating the area of a square?

options:
- $A = S / S$
- $A = (S + S) / 2$
- $A = S ^2$
- $A = S + S$


question: How is the area of a triangle calculated?

options:
- $A = base / height$
- $A = (base + height) / 2$
- $A = base * height$
- $A = 1/2 * base * height$


question: What is the sum of all three angles in any triangle?

options:
- 180 degrees
- 270 degrees
- 90 degrees
- 360 degrees


question: What is the definition of a right triangle?

options:
- A triangle with two equal sides.
- A triangle with three equal angles.
- A triangle with a 45° angle.
- A triangle with a 90° angle.


question: What is the hypotenuse in a right triangle?

options:
- The side adjacent to the right angle.
- The side opposite the right angle.
- The longest side of the triangle.
- The shortest side of the triangle.