Properties – Rules that apply for addition, subtraction, multiplication, or division of real numbers.

Prime Number – Whole number greater than 1 with only two factors, 1 and itself

Trinomial – polynomial with three terms

Double Bar Graph – Incorporates a third variable.

3/15-2/25 – 3/15=1=5 which can be multiplied by 5 to get 5/25; 5/25=2/25=3/25

Quanto costa? – How much does it cost?

minuend – уменьшаемое

What is a proportion? – A statemen of equality between two or more ratios.

average – 平均値、平均の

Roman numeral system – M, D, C, L, X, V, I

What are two different ways that a ratio may be expressed? – As a fraction. By placing a colon (:) between the two numbers. By using the word "to" between the two numbers.

value – noun: the worth of something in money

an equation with two unknows – eine Gleichung mit zwei Unbekannten

What is transform boundaries? – They move along each other, when plates slide past each other

an equation with two unknows – eine Gleichung mit zwei Unbekannten

square numbers – eg 1,4,9,16,25… number…=square

Radius – A line segment on any point of the circumference of a circle