What is the decimal point?

a symbol used to separate the ones places from the tenths place in decimals or dollars from cents in currency

the position of a number to the right of the decimal point. In the decimal .123, the 1 is in the first place to the right indicating tenths, 2 is in the second place indicating hundredths, and the 3 is in the third place indicating thousandths

What is the decimal place?

the position of a number to the right of the decimal point. In the decimal .123, the 1 is in the first place to the right indicating tenths, 2 is in the second place indicating hundredths, and the 3 is in the third place indicating thousandths

a symbol used to separate the ones places from the tenths place in decimals or dollars from cents in currency

What is the Decimal or Base 10?

all integers, decimals, and fractions. any terminating or repeating decimal number. can be expressed as a ratio or a fraction where both numbers are integers and the lower number does not equal 0.

a symbol used to separate the ones places from the tenths place in decimals or dollars from cents in currency

What are rational numbers?

all integers, decimals, and fractions. any terminating or repeating decimal number. can be expressed as a ratio or a fraction where both numbers are integers and the lower number does not equal 0.

the position of a number to the right of the decimal point. In the decimal .123, the 1 is in the first place to the right indicating tenths, 2 is in the second place indicating hundredths, and the 3 is in the third place indicating thousandths

What are irrational numbers?

cannot be written as fractions or decimals because the number of decimal places is infinite and there is no recurring pattern of digits within the number. for example, pi.

the set of all rational and irrational numbers

all integers, decimals, and fractions. any terminating or repeating decimal number. can be expressed as a ratio or a fraction where both numbers are integers and the lower number does not equal 0.

What are real numbers?

the set of all rational and irrational numbers

a graph to see the distance between numbers. shows the relationship between numbers. May have a point for zero, with negative numbers on the left and positive on the right.

A number like 10, 100, 1,000 and so on. It is the result of using only 10 as a factor.

What is a number line?

a graph to see the distance between numbers. shows the relationship between numbers. May have a point for zero, with negative numbers on the left and positive on the right.

A number like 10, 100, 1,000 and so on. It is the result of using only 10 as a factor.

The value of a digit based on its position within a number

A number like 10, 100, 1,000 and so on. It is the result of using only 10 as a factor.

the set of all rational and irrational numbers

What is absolute value?

The distance a number is from zero on a number line. ALWAYS POSITIVE. (ex: the absolute value of 3 is 3. the absolute value of -3 is also 3.)

The numbers that add together to make a sum in addition

mathematical process that takes some values as inputs and produces an output.

increases the value of one quantity by the value of another quantity (addends). the order of numbers does not matter.

The numbers that add together to make a sum in addition

increases the value of one quantity by the value of another quantity (addends). the order of numbers does not matter.

if the signs are the same, add the absolute values of the addends and then apply the original sign. if the signs are different, take the values of the addends and subtract the smaller value from the larger value then apply the original sign of the larger value to the difference.

The numbers that add together to make a sum in addition

the answer to an addition problem

increases the value of one quantity by the value of another quantity (addends). the order of numbers does not matter.

What is the sum in mathematics?

the answer to an addition problem

increases the value of one quantity by the value of another quantity (addends). the order of numbers does not mat

The numbers that add together to make a sum in addition

Adding signed numbers

if the signs are the same, add the absolute values of the addends and then apply the original sign. if the signs are different, take the values of the addends and subtract the smaller value from the larger value then apply the original sign of the larger value to the difference.

the opposite operation to addition; it decreases the value of one quantity (the minuend) by the value of another quantity (the subtrahend). The order of numbers DOES matter.

A number from which another number is subtracted.

the opposite operation to addition; it decreases the value of one quantity (the minuend) by the value of another quantity (the subtrahend). The order of numbers DOES matter.

if the signs are the same, add the absolute values of the addends and then apply the original sign. if the signs are different, take the values of the addends and subtract the smaller value from the larger value then apply the original sign of the larger value to the difference.

A number from which another number is subtracted

the answer to a subtraction problem

A number from which another number is subtracted.

What is the difference?

the answer to a subtraction problem

A number from which another number is subtracted.

What are subtracting signed numbers?

Flip the sign of the number being subtracted and then add. For example, if you have (+4) - (+8), you would change the +8 to -8 and solve as (+4) + (-8)

the answer to a multiplication problem

repeated addition. One number (the multiplier) indicates how many times to add the other number (the multiplicand) to itself. Order does not matter

What is multiplication?

repeated addition. One number (the multiplier) indicates how many times to add the other number (the multiplicand) to itself. Order does not matter.

the answer to a multiplication problem

The first number in a multiplication problem; the number being multiplied

the answer to a multiplication problem

repeated addition. One number (the multiplier) indicates how many times to add the other number (the multiplicand) to itself. Order does not matter.

The first number in a multiplication problem; the number being multiplied

What is multiplicand?

The first number in a multiplication problem; the number being multiplied

the answer to a multiplication problem

repeated addition. One number (the multiplier) indicates how many times to add the other number (the multiplicand) to itself. Order does not matter.

Multiplying Signed Numbers

if the signs are the same, the product is positive. if the signs are opposite, the product is negative. when more than two numbers are being multiplied together, the sign of the product is determined by how many of them are negative. If there are an odd number of negative numbers, the product is negative. even number of negative numbers means the product is positive

The first number in a multiplication problem; the number being multiplied

the opposite of multiplication. one number (divisor) tells us how many parts to divide the other number (the dividend) into. Order of the numbers does matter.

the number that is being divided

The number by which another number is divided.

the opposite of multiplication. one number (divisor) tells us how many parts to divide the other number (the dividend) into. Order of the numbers does matter.

the number that is being divided

What is the quotient?

the answer to a division problem

similar to rules for multiplication. if the dividend and divisor have the same sign its positive and if they have opposite signs the answer is negative.

used to designate which operations should be done first.

What are dividing signed numbers?

similar to rules for multiplication. if the dividend and divisor have the same sign its positive and if they have opposite signs the answer is negative.

used to designate which operations should be done first

a superscript number placed next to another number at the top right. It indicates how many times the base number is to be multiplied by itself.

What are parentheses?

used to designate which operations should be done first

any number to the power of 1 is equal to itself, the number 1 raised to any power is equal to 1, any number raised to the power of 0 is equal to 1, add exponents to multiply powers of the same base number, subtract exponents to divide powers of the same base number, when a power is raised to a power the exponents are multiplied, multiplication ad division operations inside parentheses can be raised to a power. this is the same as each term being raised to that power, a negative exponent is the same as the reciprocal of a positive exponent

a superscript number placed next to another number at the top right. It indicates how many times the base number is to be multiplied by itself.

a superscript number placed next to another number at the top right. It indicates how many times the base number is to be multiplied by itself. A number with a value of 2 is said to be "squared" while a number with an exponent of 3 is said to be "cubed" do not have to be integers. can be fractions or decimals

ties any number to the power of 1 is equal to itself, the number 1 raised to any power is equal to 1, any number raised to the power of 0 is equal to 1, add exponents to multiply powers of the same base number, subtract exponents to divide powers of the same base number, when a power is raised to a power the exponents are multiplied, multiplication ad division operations inside parentheses can be raised to a power. this is the same as each term being raised to that power, a negative exponent is the same as the reciprocal of a positive exponent

another way of writing a fractional exponent. Instead of using a superscript, use this symbol to indicate the operation. The radical will have a number underneath the bar and may sometimes have a number in the upper left.

What are exponent properties?

any number to the power of 1 is equal to itself, the number 1 raised to any power is equal to 1, any number raised to the power of 0 is equal to 1, add exponents to multiply powers of the same base number, subtract exponents to divide powers of the same base number, when a power is raised to a power the exponents are multiplied, multiplication ad division operations inside parentheses can be raised to a power. this is the same as each term being raised to that power, a negative exponent is the same as the reciprocal of a positive exponent

a number that has an integer for its square root. 10 from 1-100: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100

another way of writing a fractional exponent. Instead of using a superscript, use this symbol to indicate the operation. The radical will have a number underneath the bar and may sometimes have a number in the upper le

What are roots in math?

another way of writing a fractional exponent. Instead of using a superscript, use this symbol to indicate the operation. The radical will have a number underneath the bar and may sometimes have a number in the upper left.

a number that has an integer for its square root. 10 from 1-100: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100

a set of rules that dictates the order in which we must perform each operation in an expression so that we will evaluate it accurately. PEMDAS

What are perfect square root?

a number that has an integer for its square root. 10 from 1-100: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100

another way of writing a fractional exponent. Instead of using a superscript, use this symbol to indicate the operation. The radical will have a number underneath the bar and may sometimes have a number in the upper left.

a set of rules that dictates the order in which we must perform each operation in an expression so that we will evaluate it accurately. PEMDAS

What is the order of operations?

a set of rules that dictates the order in which we must perform each operation in an expression so that we will evaluate it accurately. PEMDAS

Parentheses, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right

borrow a unit from the place value to the left in order to get a positive difference when subtracting

Parentheses, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right

a set of rules that dictates the order in which we must perform each operation in an expression so that we will evaluate it accurately. PEMDAS

borrow a unit from the place value to the left in order to get a positive difference when subtracting

What is subtraction with regrouping?

borrow a unit from the place value to the left in order to get a positive difference when subtracting

Parentheses, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right

Numbers that are multiplied together to get a product. for example, in the equation 2 x 3 = 6, the numbers 2 and 3 are factors.

What are the factors of numbers?

Numbers that are multiplied together to get a product. for example, in the equation 2 x 3 = 6, the numbers 2 and 3 are factors.

A factor that is a prime number (2,3,5, etc)

a number that divides exactly into two or more other numbers. For example, the factors of 12 are 1,2,3,4,6,12. the factors of 15 are 1,3,5,15. the common factors of 12 and 15 are 1 and 3.

What is a common factor?

a number that divides exactly into two or more other numbers. For example, the factors of 12 are 1,2,3,4,6,12. the factors of 15 are 1,3,5,15. the common factors of 12 and 15 are 1 and 3.

A factor that is a prime number (2,3,5, etc)

The largest factor that two or more numbers have in common.

What are prime factors?

A factor that is a prime number (2,3,5, etc)

The largest factor that two or more numbers have in common.

Numbers that are multiplied together to get a product. for example, in the equation 2 x 3 = 6, the numbers 2 and 3 are factors.

greatest common factor

The largest factor that two or more numbers have in common.

often listed out in multiplication tables. integer increments of a given factor. for example, the multiples of 7 are 7,14,21,28,35. dividing these numbers by 7 will result in 1,2,3,4,5.

Factors are always smaller than or equal to your original number. Multiples are larger than or equal to

often listed out in multiplication tables. integer increments of a given factor. for example, the multiples of 7 are 7,14,21,28,35. dividing these numbers by 7 will result in 1,2,3,4,5.

The smallest multiple (other than zero) that two or more numbers have in common.

Factors are always smaller than or equal to your original number. Multiples are larger than or equal to

Factors vs. Multiples

Factors are always smaller than or equal to your original number. Multiples are larger than or equal to

The smallest multiple (other than zero) that two or more numbers have in common.

often listed out in multiplication tables. integer increments of a given factor. for example, the multiples of 7 are 7,14,21,28,35. dividing these numbers by 7 will result in 1,2,3,4,5

least common multiple

The smallest multiple (other than zero) that two or more numbers have in common.

often listed out in multiplication tables. integer increments of a given factor. for example, the multiples of 7 are 7,14,21,28,35. dividing these numbers by 7 will result in 1,2,3,4,5

Factors are always smaller than or equal to your original number. Multiples are larger than or equal to

represents the quotient of the two numbers x/y = "x divided by y." also thought of as x out of y equal parts

the top number in a fraction. represents the number of parts under consideration. the 1 in 1/4 means that 1 part out of the whole is being considered in the calculation

bottom number in a fraction; represents how many parts the whole is divided into. Ex: the 4 in 1/4 means that the whole consists of 4 equal parts. This number cannot be zero.

For two or more fractions, a common denominator is a common multiple of the denominators

a fraction with a numerator smaller than the denominator

a fraction whose numerator is larger than the denominator

Reids Math Practice 2

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Mathematics

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University

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Practice Problem

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Medium

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CCSS

4.G.A.1, 4.OA.B.4, 2.MD.A.2

+45

Standards-aligned

Beverley Reid

Used 8+ times

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100 questions

Show all answers

MULTIPLE CHOICE QUESTION

any whole number greater than 1 that has more than two different factors. any whole number that is not a prime number

a number system that uses ten different digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)

any number that uses as decimal point to show the part of the number that is less than one

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