Quick Reference ~ A maths Dictionary for Kids by Jenny Eather Email jeather@iprimus.com.au A Maths Dictionary for Kids by Jenny Eather at www.amathsdictionaryforkids.com

Cc Dd Ee Ff Gg Hh Ii Jj Kk Ll


  Rr  
radian
radical, radicand
radius
radix
raise
random, random sample
random variable
range in statistics
range of a function
range of probability
rate
ratio
rational expressions
rational functions
rational numbers
raw data
ray
real numbers

reciprocal
rectangle
rectangular numbers
rectangular prism
rectilinear
recurring decimal
reduce, reduce a fraction
reflection
reflection symmetry
reflex angle
regrouping
regular polygons
regular polyhedrons
related fractions
relative frequency
relatively prime numbers
remainder
repeated addition

repeated subtraction
repeating decimal
revolution
rhombus
rhythmic counting
right angle
right-angled triangle
right prism
rigid
rigid motion
rise
Roman numerals
rotation
rotational symmetry
round, rounding
row
rules of exponents
run


Buff-breasted kingfisher ~ Far north Queensland, Australia
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