Fractions, Decimals and Percentages: Glossary
82 words, listed in the order you meet them in Courseversity lessons.
Full explanations
Decimal
MathematicsFull explanation
A decimal is a number that uses a decimal point to show parts that are smaller than one.
Denominator
MathematicsFull explanation
The denominator is the bottom number of a fraction. It tells how many equal parts make one whole.
Equivalent fractions
MathematicsFull explanation
Equivalent fractions are different fractions that name the same amount, like 1/2 and 2/4.
Fraction
MathematicsFull explanation
A fraction is a number that names equal parts of a whole. If a bar is cut into 4 equal parts and you take 3 of them, you have 3/4 of the bar.
Numerator
MathematicsFull explanation
The numerator is the top number of a fraction. It tells how many equal parts are being counted.
All words in this topic
Grade 2
equal parts
From Grade 2
Parts of the same size.
Learn it in: Equal parts (Grade 2), Thirds (Grade 2), Equal Parts of a Whole (Grade 3)
fraction
From Grade 2
A part of a whole.
Full explanation with examples and practice →
Learn it in: Halves (Grade 2), Numerators and denominators (Grade 3), Recognising equivalent fractions (Grade 3)
half
From Grade 2
One of two equal parts.
Learn it in: Halves (Grade 2), Quarters (Grade 2), Fractions in everyday life (Grade 2)
third
From Grade 2
One of three equal parts.
Learn it in: Thirds (Grade 2), Fractions in everyday life (Grade 2), Partitioning shapes (Grade 2)
quarter
From Grade 2
One of four equal parts.
Learn it in: Quarters (Grade 2), Fractions in everyday life (Grade 2), Partitioning shapes (Grade 2)
denominator
From Grade 2
The bottom number: equal parts in the whole.
Full explanation with examples and practice →
Learn it in: Recognising unit fractions (Grade 2), Representing simple fractions (Grade 2), Unit fractions (Grade 3)
numerator
From Grade 2
The top number: parts we take.
Full explanation with examples and practice →
Learn it in: Recognising unit fractions (Grade 2), Representing simple fractions (Grade 2), Unit fractions (Grade 3)
unit fraction
From Grade 2
A fraction with 1 on top.
Learn it in: Recognising unit fractions (Grade 2), Unit fractions (Grade 3), Fractions mastery assessment (Grade 3)
equivalent
From Grade 2
Equal in size.
Learn it in: Representing simple fractions (Grade 2), Recognising equivalent fractions (Grade 3), Fractions mastery assessment (Grade 3)
shaded
From Grade 2
Coloured in.
Learn it in: Representing simple fractions (Grade 2), Representing non-unit fractions (Grade 3)
Grade 3
fraction bar
From Grade 3
The line between the numbers.
Learn it in: Numerators and denominators (Grade 3), Equivalent fractions (Grade 4)
non-unit fraction
From Grade 3
A fraction with numerator more than 1.
Learn it in: Representing non-unit fractions (Grade 3)
interval
From Grade 3
The space between marks.
Learn it in: Fractions on number lines (Grade 3), Time intervals (Grade 4), Bar graphs (Grade 5)
same denominator
From Grade 3
The same number of equal parts in the whole.
Learn it in: Comparing simple fractions (Grade 3)
same numerator
From Grade 3
The same number of parts taken.
Learn it in: Comparing simple fractions (Grade 3)
fraction of
From Grade 3
Share into equal groups, then take some.
Learn it in: Fractions of collections (Grade 3)
Grade 4
common factor
From Grade 4
A factor shared by both numbers.
Learn it in: Simplifying fractions (Grade 4), Equivalent fractions (Grade 5), Greatest common factor (Grade 6)
greatest common factor
From Grade 4
The biggest shared factor.
Learn it in: Simplifying fractions (Grade 4)
lowest terms
From Grade 4
Cannot be simplified more.
Learn it in: Simplifying fractions (Grade 4), Fraction simplification (Grade 6)
simplify
From Grade 4
Write with smaller numbers.
Learn it in: Simplifying fractions (Grade 4), Adding fractions with like denominators (Grade 4), Subtracting fractions with like denominators (Grade 4)
common denominator
From Grade 4
A shared denominator.
Learn it in: Comparing fractions (Grade 4), Equivalent fractions (Grade 5), Comparing fractions (Grade 5)
like denominators
From Grade 4
Same bottom number.
Learn it in: Adding fractions with like denominators (Grade 4), Subtracting fractions with like denominators (Grade 4)
improper fraction
From Grade 4
Numerator at least the denominator.
Learn it in: Mixed numbers (Grade 4), Fractions greater than one (Grade 4), Mixed numbers (Grade 5)
mixed number
From Grade 4
A whole number and a fraction.
Learn it in: Mixed numbers (Grade 4), Fractions greater than one (Grade 4), Writing decimals (Grade 4)
fraction of an amount
From Grade 4
Divide then multiply.
Learn it in: Fraction word problems (Grade 4), Fraction word problems (Grade 5)
remaining
From Grade 4
What is left.
Learn it in: Fraction word problems (Grade 4), Fraction word problems (Grade 5)
decimal
From Grade 4
A number with a decimal point.
Full explanation with examples and practice →
Learn it in: Understanding tenths (Grade 4), Writing decimals (Grade 4), Fractions and decimals (Grade 4)
decimal point
From Grade 4
Separates ones from tenths.
Full explanation with examples and practice →
Learn it in: Understanding tenths (Grade 4), Understanding hundredths (Grade 4), Decimal place value (Grade 5)
tenth
From Grade 4
One of ten equal parts.
Learn it in: Understanding tenths (Grade 4), Decimal place value (Grade 6)
hundredth
From Grade 4
One of 100 equal parts.
Learn it in: Understanding hundredths (Grade 4), Meaning of percent (Grade 5), Decimals and percentages (Grade 5)
two decimal places
From Grade 4
Digits in tenths and hundredths.
Learn it in: Understanding hundredths (Grade 4)
hundredths
From Grade 4
Second place after the point.
Learn it in: Decimal place value (Grade 4), Decimal place value (Grade 5)
tenths
From Grade 4
First place after the point.
Full explanation with examples and practice →
Learn it in: Decimal place value (Grade 4), Decimal place value (Grade 5)
point
From Grade 4
Said between ones and tenths.
Learn it in: Writing decimals (Grade 4), Points (Grade 4)
equivalent decimals
From Grade 4
Same value, e.g. 0.5 and 0.50.
Learn it in: Comparing decimals (Grade 4), Comparing decimals (Grade 5), Decimal comparison (Grade 6)
Grade 5
least common multiple
From Grade 5
Smallest shared multiple.
Learn it in: Adding fractions with unlike denominators (Grade 5)
unlike denominators
From Grade 5
Different bottom numbers.
Learn it in: Adding fractions with unlike denominators (Grade 5), Subtracting fractions with unlike denominators (Grade 5)
whole number
From Grade 5
0, 1, 2, 3 …
Learn it in: Multiplying fractions by whole numbers (Grade 5), Dividing whole numbers by unit fractions (Grade 5)
thousandth
From Grade 5
1/1000.
Learn it in: Decimals to thousandths (Grade 5), Decimal place value (Grade 6)
percent
From Grade 5
Per hundred.
Learn it in: Meaning of percent (Grade 5), Percent as parts per hundred (Grade 5), Fractions and percentages (Grade 5)
equivalent fraction
From Grade 5
Equal in value.
Full explanation with examples and practice →
Learn it in: Percent as parts per hundred (Grade 5)
discount
From Grade 5
Amount taken off a price.
Learn it in: Simple percentage applications (Grade 5), Discounts (Grade 6)
Grade 6
decimal place
From Grade 6
Digit after the point.
Learn it in: Decimal multiplication (Grade 6), Rounding and estimation (Grade 6)
multiplier
From Grade 6
Number you multiply by.
Learn it in: Finding percentages of quantities (Grade 6), Introductory percentage increase and decrease (Grade 6)
percentage of
From Grade 6
Multiply by the percent.
Learn it in: Finding percentages of quantities (Grade 6)
decrease
From Grade 6
Make smaller.
Learn it in: Introductory percentage increase and decrease (Grade 6)
increase
From Grade 6
Make bigger.
Learn it in: Introductory percentage increase and decrease (Grade 6)