Glossary: Terms Starting with I
23 definitions in Mathematics with links to the lessons that teach each word.
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All terms starting with I
identity
MathsFrom Grade 3
Multiplying by 1 leaves the number unchanged.
Learn it in: Multiplication properties (Grade 3), Multiplication properties (Grade 4)
improper fraction
MathsFrom Grade 4
Numerator at least the denominator.
Learn it in: Mixed numbers (Grade 4), Fractions greater than one (Grade 4), Mixed numbers (Grade 5)
in all
MathsFrom Grade 2
The total.
Learn it in: Simple multiplication problems (Grade 2), Word problems (Grade 3)
in words
MathsFrom Grade 2
Written with letters.
Learn it in: Numbers to 1,000 (Grade 2), Numbers to 10,000 (Grade 3)
income
MathsFrom Grade 6
Money coming in.
Learn it in: Applying mathematics to real situations (Grade 6)
increase
MathsFrom Grade 6
Make bigger.
Learn it in: Introductory percentage increase and decrease (Grade 6)
input
MathsFrom Grade 5
What goes in.
Learn it in: Rules and relationships (Grade 5), Number relationships (Grade 6)
integer
MathsFrom Grade 6
Whole number, positive, negative or zero.
Learn it in: Introduction to integers (Grade 6), Secondary mathematics readiness (Grade 6)
interest
MathsFrom Grade 6
Money earned on savings.
Learn it in: Practical percentage problems (Grade 6)
interior angle
MathsFrom Grade 5
An angle inside a polygon.
Learn it in: Properties of polygons (Grade 5), Polygons (Grade 6)
interpret
MathsFrom Grade 3
Explain what data shows.
Learn it in: Reading and interpreting graphs (Grade 3), Division word problems (Grade 4), Interpreting graphs (Grade 4)
intersect
MathsFrom Grade 4
Cross or meet.
Learn it in: Parallel lines (Grade 4), Perpendicular lines (Grade 4)
interval
MathsFrom Grade 3
The space between marks.
Learn it in: Fractions on number lines (Grade 3), Time intervals (Grade 4), Bar graphs (Grade 5)
inverse
MathsFrom Grade 2
The opposite operation.
Learn it in: Subtraction within 100 (Grade 2), Checking answers (Grade 2), Relationship between multiplication and division (Grade 2)
inverse operation
MathsFrom Grade 5
Opposite.
Learn it in: Unknown quantities (Grade 5), Solving one-step equations (Grade 6)
isosceles
MathsFrom Grade 3
Two sides equal.
Learn it in: Triangles (Grade 3), Classifying triangles (Grade 4), Triangles (Grade 5)