What Two Numbers Add to Make Twenty and Have a Difference of Four?

Basic Math Terms Every Student Needs To Know (Alphabetical Order)

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Math isn't simply doing computations, it's about having insights into the reasons "backside" why things are truthful.

Here is a list basic Math Terms in alphabetical order. I hope you find it useful.

Go to Section 1

Addend, Addition/Add, Ascending Club, Common Cistron, Common Multiple, Consecutive Numbers, Consecutive Even Numbers, Consecutive Odd Numbers, Counting Numbers

Become to Department ii

Denominator, Descending Social club, Departure, Dividend/Divisor/Quotient/Remainder, Divisible, Sectionalization, Equal/Equation, Equivalent Fraction, Fifty-fifty Number, Factor, Fraction, GCF/HCF, Improper Fraction, Less Than

Get to Section 3

Mixed Number/Mixed Fraction, More than Than, Multiple, Multiply/Multiplication/Times, Negative Number, Number Bail, Number Line, Numerals, Numerator

Go to Section 4

Odd Number, Order of Operations, Ordering Numbers, Ordinal Numbers, Percentage/Percentage, Identify/Identify Value, Production, Proportion, Subtraction

Department 1

Addend

An addend is a number on the left hand side of an Add-on Math sentence or equation. In this example: 21 + 52 = 73, the addends are 21 and 52.

The sum must always bigger than either addend.This fact is useful for helping the student do a quick bank check on whether his answer is correct.

Addition, Add

Addition is a bones Math performance. To add ways to combine numbers to grade a bigger number. When we add, the addends are always smaller than the sum.

Some add-on equations may really crave the student to do a reverse addition when the addend is the unknown.

Example: ___ + 24 = 33

To detect the addend,we accept to ask "What number is needed to make 24 into 33?"

A reverse addition is similar carrying out subtraction.

Assistance your child empathise the concept of Addition past using number bonds.

Related Concepts:

Number Bond, Number Line

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Sample FUN Math worksheet.

Ascending Order

Writing numbers in ascending society ways writing the number in order of size starting with the smallest.

You tin remember of ascending order as going up a flight of stairs or numbers getting bigger.

Ordering numbers helps develop number sense.

The best way to practice this is to write some numbers on pocket-sized cards. Jumble upwardly the cards, and then let your child conform them in ascending order. Make information technology into a race to see who can arrange their numbers fastest.

Learn more.

Related Concepts: Consecutive Numbers, Descending Order,

Ordering Numbers

Mutual Factor

A common cistron is a factor that occurs in all the numbers being compared. There is a fixed number of common factors betwixt numbers.

Example: What are the mutual factors of 12 and 30?

Factors of 12 = 1, 2, 3, 4, 6, 12
Factors of xxx = 1, 2, three, 5, six, 10, xv, 30

Respond: one, 2, 3, vi

Related Concepts: Factor, Greatest Common Factor

Common Multiple

A mutual multiple is a multiple that occurs in all the numbers being compared. There is an infinite number of common multiples between numbers.
(See the section on Multiple and LCM.)

Example: What are the offset five common multiples of 2 and iii?

Multiples of 2 = 2, 4, 6, 8, 10, 12, 14, sixteen, xviii, 20, 22, 24, 26, 28, 30 ...
Multiples of 3 = iii, half dozen, 9, 12, xv, eighteen, 21, 24, 27, thirty, 33, 36, ...

Reply: 6, 12, 18, 24, 30

Click here for a listing of multiples of two to 10 for easy reference.

Consecutive Numbers

This Math term refers to numbers that appear in running order (ex. 10, 11, 12...). The deviation between each consecutive number is 1.

Consecutive Even Numbers

These are even numbers that announced in running club (ex. ii, four, half dozen...). The deviation between each sequent even number is two.

If Ten and Y represents 2 consecutive fifty-fifty numbers and Y is bigger than X, than we know the post-obit is true:

Y - X = two

Consecutive Odd Numbers

These are odd numbers that announced in running gild (ex. 7, 9, 11...). The departure between each consecutive odd number is also 2.

If M and Due north represents two consecutive odd numbers and Due north is bigger than Yard, than we know the post-obit is true:

N - M = 2

More nigh numbers.

Counting Numbers

These are consecutive numbers starting from 1 (ex. one, 2, 3...). Counting is the most basic skill your child learns in Math. Requite them lots of different items to count. Lay the items in a line to assist them empathise the idea of a Number Line. Even older kids would benefit profoundly from counting. Teach them to group the items into groups of ten when counting a large number of items.

Click here to learn more than on Counting Numbers.

Use common items to let your kid practice counting

Table of Contents

In Maths, there are ever lots of different ways to get to the correct answer. Once your child understands that, he tin can be costless to endeavour all methods, to work things out for himself and relish the process of learning and agreement Maths. Games help your child savor the learning procedure. Visit my shop below for more than gratuitous Math materials:

Department 2

Denominator

This Math term applies to a fraction. It is the lesser number in a fraction. The top number in the fraction is called the numerator.

The numerator tells us the number of parts we want and the denominator tells us the full number of parts.
(See Fraction)

Descending Gild

Writing numbers in descending order means writing the number in order of size starting with the biggest. Y'all tin think of descending lodge as going down a flight of stairs or numbers getting smaller.

Ordering numbers helps develop number sense.

More nigh numbers.

Divergence

You notice the difference of 2 numbers by subtracting the smaller number from the bigger (ex. the difference of 2 and x is eight. The difference of 10 and 2 is besides 8).

The divergence is the answer of a subtraction equation.

Dividend, Divisor, Quotient, Remainder

These Math terms relate to division. See the graphics beneath.

Dividend is the number to be divided.

Divisor is the number divided into or the number of groups.

Quotient is the reply you get subsequently dividing. Yous can retrieve of it equally the number inside each group.

Remainder is the number left over. The remainder must ever be smaller than the divisor.

If the residual is bigger than the divisor information technology means the quotient is besides small-scale.

Divisible

This Math term refers to division.

If we ask "Is 26 divisible past 3?" what we mean is "Can 26 be divided past iii without leaving any remainder?"

If the reply is yes, than 26 is divisible past 3.
If the answer is no, then 26 is not divisible by 3.

26 is non divisible by iii because the answer is 8 with remainder 2. That means we have 3 groups of 8 plus a two when nosotros try to divide 26 by 3.

Related Concept: Factor

Division

Division is a Math operation where you arrange (divide) a number into groups of smaller numbers. Information technology is the reverse of multiplication.

There are 2 ways to think well-nigh sectionalisation.

Example: "xviii divided by 3 equals 6" can mean if y'all arrange 18 items into iii groups y'all will get 6 items in each group.

Or information technology can mean if you arrange 18 items into groups of three, you volition get six groups.

Larn how to teach your child Long Division.

Table of Contents

Equal, Equation

This is perhaps the about important concept in all of Mathematics.

The equal sign (=) tells us that the answer on the left of it is exactly the same as the reply on the right of it.

Example: 9 + 2 = iv + 7

The answer of 9 + 2 is 11. The answer of 4 + 7 is too eleven.
So eleven equals 11 is true.

It is this fact that makes it possible for u.s.a. find the unknown number in Math questions.

We tin as well refer to the whole judgement equally an Equation.

More examples:

2 + __ = 7

This equation tells usa that nosotros need to notice a number that combines with 2 to give the answer 7.

three x ___ = 4 + 8

This equation tells us that we need to find a number that when multiplied by 3 will give the aforementioned respond equally iv combined with viii.

Equivalent Fraction

An equivalent fraction is a fraction that is the same size equally another fraction only with more parts.

Imagine a chocolate cake and a plain cake of the same size. The chocolate cake is cut into 4 equal pieces. The manifestly cake is cut into 2 equal pieces.

2 pieces of the chocolate cake would be the aforementioned size as 1 piece of the patently cake.

We say that two/4 is equivalent to 1/2.

Equivalent fractions are needed when nosotros compare, add or decrease fractions with different denominators.

Get flashcards for practice:

Comparing Fractions Flash cards
Equivalent Fractions Flash cards

Nosotros do not use equivalent fractions to multiply or separate fractions.

Even Number

An fifty-fifty number is a number with the digit 0, 2, 4, vi or viii in the 'ones' place. Examples of fifty-fifty numbers: 4, xx, 38, 1110, 2378
(See Place Value)

The divergence between two even numbers is 2.

Sequent even numbers run in gild: 34, 36, 38....

Gene

This Math term is similar to the term divisible.

If nosotros want to know whether 2 is a cistron of 25, what we really want to know is
"Tin can 25 be divided past 2 without leaving any residue?"

If the respond is aye, than 2 is a gene of 25.
If the answer is no, then 2 is not a factor of 25.

So now we know that 2 is not a factor of 25 because there is a residue of i.

To find out whether i number is a factor of another, nosotros have to split up the second number by the first.

If the upshot is a whole number with no remainder, and then the first number is a gene of the 2nd.
(See also Divisible, GCF.)

Fraction

There are two ways to look at fractions.

1 way is to think of breaking upward a whole slice into smaller equal pieces. So half a block ways cutting a cake into 2 equal parts and taking only one of the parts. Or i piece out of two pieces.

This way is called 'parts of a whole'.
The important thing to recall is that each piece must be of the same size as every other piece.

Some other way to look at fractions is 'parts of a group' of items. In this example, each part does not accept to be the same size. If there are five people in a room, ii-fifths of them would mean ii people (or 2 out of 5).

Fractions and division are related operations since we are breaking up a large number into smaller numbers.
(See Denominator, Division, Numerator)

More than on Fractions:

Types of fractions, Adding Fractions, Subtracting Fractions, Multiplying Fractions, Mixed Numbers, Simplifying Fractions

GCF (Greatest Common Factor) or HCF (Highest Common Gene)

These 2 Math terms accept the same meaning.

If you lot want to notice the GCF or HCF of a few numbers, you first find all the possible factors of each number.

Then you cull the biggest factor that tin can be plant in each number.

Example: Find the HCF of 24 and xxx.

Factors of 24 = one, ii, iii, 4, 6, 8, 12, 24
Factors of 30 = ane, 2, 3, 5, six, 10, xv, 30

The GCF (or HCF) of 24 and xxx is half dozen.

Improper Fraction

An improper fraction is i where the numerator is bigger than the denominator. It means that there is a whole number included in the fraction.

Less Than

This Math term occurs often in trouble sums. 'Less ... Than' or 'fewer ... than' means 'smaller than'.

If John's superlative is less than George'southward height, it means the number for John's acme is smaller than the number for George'due south height.

This concept is very important for your kid to sympathize. Learn more in Basic Math Skills.

12 is less than 23

SECTION 3

Dorsum to Top

Mixed Number or Mixed Fraction

A mixed number, also called mixed fraction, consists of a whole number and a fraction.

More Than

This Math term occurs oftentimes in trouble sums. 'More ... than' also ways 'bigger than' or 'in excess of' or 'extra'.

If John has more stickers than George, this ways the number of John'southward stickers is bigger than the number of George'southward stickers.

Multiple

A multiple is the consequence of a multiplication.

For example, the third multiple of 6 is xviii (the result of multiplying 3 and 6).

Another instance: The question "Is 24 a multiple of v?" really ways
"Can 5 be multiplied by whatever number to give the answer 24?"

If the answer is aye, than 24 is a multiple of five.

If the answer is no, and so 24 is not a multiple of 5.

Click here for a list of multiples for like shooting fish in a barrel reference.

Related Concept: Gene

Multiply, Multiplication or Times

Multiply means groups of the same numbers. We tin can think of multiplication in 2 ways.

For example: 2 x 5 tin mean 2 groups of 5 or two v'due south.
This is the same every bit 5 + 5. This is the better manner to think nearly multiplication as it is more than useful during problem sums.

Or it tin can be Repeated Addition.

ii x 5 can likewise mean to add together 2, five times. Which gives us two + 2 + two + 2 + two.

Either way, the reply volition be the aforementioned. Just remember to stick to i way and so equally not to confuse your child.

Multiplicand , Multiplier

If nosotros take three x 6 to mean 3 groups of 6, or 6 + six + 6, then 3 is called the Multiplier and 6 is the Multiplicand.

Alternatively, if three x 6 ways add 3 six times, or iii + 3 + 3 + three + 3 + three, and so 3 is chosen the Multiplicand and half dozen is the Multiplier.

In both cases, 3 10 6 = eighteen, so xviii is the Product.

Whichever method you use to help your child understand Multiplication, remember that Multiplier is the number of groups or the number of 'repeats'.

Learn to multiply fractions here.

Negative Number

A negative number is a number that falls to the left of a number line. It tells us how far away it is from the number zero (0). For instance, -v is 5 steps away from 0.

Then -2 is nearer to 0 than -x.

Number Bail

A number bond is a concept of thinking about numbers every bit being made up of other numbers, similar to calculation numbers.

Useful number bonds are those that class round numbers like 6, 4 and 10.

Number bonds brand addition easier to empathize.

Number Line

A number line is a horizontal line with markings to show the position of numbers relative to each other.

The numbers on the right of the line are bigger than the numbers on the left.

Numerals

These are numbers written in symbols (ex. 1, ii, 3...) in contrast to numbers written in words (ex. 1, two, 3...).

Numerator

This Math term applies to a fraction.

It is the top number of a fraction.
The lesser number is chosen the denominator.

The numerator tells the states the number of parts we desire and the denominator tells united states the full number of parts.
(See Fraction)

Dorsum to Superlative

Department 4

Odd Number

An odd number is a number with the digit one, 3, 5, seven or nine in the 'ones' place. Examples of odd numbers are v, xi, 45, 267, 4209, 9000.
(See Identify Value)

Order of Operations

Order of Operations means the rules that govern how the operations like addition, subtraction, multiplication and division work together. We demand to know which operations to carry out first.

Click hither to learn more.

Ordering Numbers

To write numbers in order means to write them in a particular sequence, either in ascending lodge (from minor to big) or descending society from large to pocket-sized).
Click here for 1 to 100 numbers chart. Cutting out the numbers to do putting them in ascending or descending order.

Click here to learn more.

(Come across Ascending Social club, Descending Order)

Learning to suit numbers in order

Ordinal Numbers

These are numbers that refer to position. They tin exist written as numerals (ex. 1st, 2nd, 3rd...) or words (ex. first, 2nd, third...)

Percent, Percentage

A percent is special blazon of fraction. Information technology is a fraction where the denominator is 100. The symbol we use for percent is %.

Just similar a fraction, a percent is a comparison of 2 numbers. For example, one% means 1 function out of 100 parts.

We can convert fractions into percentages and vice versa.

Larn more here.

Place, Place Value

Place refers to the position of the digit in a number.

Place Value is the value of the digit.

Numbers are made up of digits (0, 1, ii, 3, 4, ... nine). The value of each digit depends on its place or position.

For example, the digit ii in the 'tens' place has a value of twenty and a value of two if it is in the 'ones' identify.

Try this worksheet.

Production

This Math term refers to the event of multiplication.

For example, the product of 5 and 8 is forty. (v x 8 = 40)

(Run into Multiply, Multiplication, Times)

Proportion

A proportion is similar to a fraction in that one number is compared to another. The 2 numbers have a fixed relationship. Some other style to remember well-nigh it is to think in terms of groups. Each grouping must be the aforementioned.

Suppose apples are packed in bags of 7. And so there are 7 apples in ane bag. Which means in that location will exist 14 apples in 2 such bags or 35 apples in five bags.

We can write in out this way:

1 pocketbook = 7 apples

2 bags = 14 apples

v bags = 35 apples

Equally long every bit we know the proportion, we will exist able to work out i number given another. Using the same example, nosotros will be able to work out how many apples are in 12 bags. Or how many numberless we need if we want 56 apples.

Subtraction

Subtraction is the opposite of add-on. It is a reduction of a number. The number existence subtracted is called the minuend. The subtrahend is the number used to reduce the minuend.

The answer is also called the deviation.

Example: 44 - 27 = fourteen

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