Number multiplied by a variable
一个数乘以一个变量
Coefficient
Three sided polygon
三边形多边形
triangle
What's the sum of the first ten positive whole numbers?
前十个正整数之和是多少?
55
Extends infinitely in both directions.
向两个方向无限延伸。
Line
A perfectly round shape where every point on the edge is equidistant from the center.
一个完美的圆形,其边缘上的每个点到中心的距离都相等。
Circle
What number does 'C' represent in Roman numerals?
罗马数字“C”代表什么数字?
100
A ratio representing a part of a whole, consisting of a Numerator (top) and a Denominator (bottom).
表示整体的一部分的比率,由分子(上面)和分母(下面)组成。
Fraction
A four-sided polygon with four right angles and equal opposite sides.
一个四边形,四个角都是直角,对边相等。
Rectangle
Who invented the use of negative numbers?
是谁发明了负数的使用?
Chinese
A whole number greater than 1 that is only divisible by itself and 1.
大于 1 且只能被自身和 1 整除的整数。
Prime Number
A polygon with five sides and five angles.
一个有五条边和五个角的多边形。
Pentagon
When do we celebrate Pi day?
我们什么时候庆祝圆周率日?
March 14 or 3.14
The total distance around the outside edge of a shape.
图形外边缘的总距离。
Perimeter
A polygon with eight sides, often seen in stop signs.
八边形,常见于停车标志中。
Octagon
What letter appears in every odd number?
哪个字母出现在所有奇数中?
letter E (one, three, five, seven, nine)