Glossary: Terms Starting with F
33 definitions in Mathematics with links to the lessons that teach each word.
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All terms starting with F
face
MathsFrom Grade 1
A flat surface of a solid shape.
Learn it in: Cubes (Grade 1), Properties of 3D shapes (Grade 2), Spatial reasoning (Grade 6)
fact
MathsFrom Grade 2
A number sentence you know.
Learn it in: Multiplication facts for 2, 5 and 10 (Grade 2), Multiplication tables (Grade 3)
fact family
MathsFrom Grade 1
Addition and subtraction sentences that use the same three numbers.
Learn it in: Relationship between addition and subtraction (Grade 1), Relationship between multiplication and division (Grade 2), Relationship between multiplication and division (Grade 3)
factor
MathsFrom Grade 3
A number that is multiplied.
Learn it in: Multiplication as equal groups (Grade 3), Multiplication fact review (Grade 4), Understanding factors (Grade 4)
factor pair
MathsFrom Grade 4
Two factors that multiply to the number.
Learn it in: Factor pairs (Grade 4)
factor tree
MathsFrom Grade 6
Splitting a number into factors.
Learn it in: Prime factorisation (Grade 6)
fair
MathsFrom Grade 2
Equal for everyone.
Learn it in: Sharing equally (Grade 2), Drawing conclusions (Grade 3)
feature
MathsFrom Grade 1
Something you can see, like colour or size.
Learn it in: Sorting objects (Grade 1)
fewer
MathsFrom Grade 1
A smaller number of things.
Learn it in: Comparing numbers (Grade 1), Finding how many remain (Grade 1), Counting categories (Grade 1)
first, second, third
MathsFrom Grade 1
Words that tell the order of things.
Learn it in: Understanding numbers (Grade 1)
five minutes
MathsFrom Grade 2
The gap between two numbers on a clock.
Learn it in: Time to five-minute intervals (Grade 2)
flat shape
MathsFrom Grade 1
A shape drawn on paper, like a circle.
Learn it in: Identifying shapes in everyday life (Grade 1)
fluency
MathsFrom Grade 6
Quick, accurate recall.
Learn it in: Secondary mathematics readiness (Grade 6)
fold
MathsFrom Grade 2
Bend over so edges meet.
Learn it in: Introduction to symmetry (Grade 2), Symmetry (Grade 3)
formula
MathsFrom Grade 6
Rule with letters.
Learn it in: Mathematical modelling (Grade 6), Secondary mathematics readiness (Grade 6)
forwards
MathsFrom Grade 1
In the direction numbers get bigger.
Learn it in: Counting forwards and backwards (Grade 1)
four-digit number
MathsFrom Grade 3
A number from 1,000 to 9,999.
Learn it in: Numbers to 10,000 (Grade 3)
fraction
MathsFrom 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)
fraction bar
MathsFrom Grade 3
The line between the numbers.
Learn it in: Numerators and denominators (Grade 3), Equivalent fractions (Grade 4)
fraction of
MathsFrom Grade 3
Share into equal groups, then take some.
Learn it in: Fractions of collections (Grade 3)
fraction of an amount
MathsFrom Grade 4
Divide then multiply.
Learn it in: Fraction word problems (Grade 4), Fraction word problems (Grade 5)
fraction of the total
MathsFrom Grade 4
A part out of the whole.
Learn it in: Interpreting graphs (Grade 4)
frequency
MathsFrom Grade 3
How many times something happens.
Learn it in: Frequency tables (Grade 3), Tables (Grade 4), Frequency tables (Grade 5)