Math Vocabulary
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 is the official currency of China?
The Chinese Yuan (Renminbi).
What happens to the price of ice cream when the weather gets very hot?
The price usually increases because more people want ice cream (demand increases) while the supply stays the same.
答案：价格通常会上涨，因为更多人想要冰淇淋（需求增加）而供应量保持不变。
Which country has the largest economy in the world by total GDP?
The United States has the largest economy in the world by total GDP. 美国拥有世界最大的经济体总量。
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
Which Chinese city is considered the financial and economic center of China?
Shanghai is China's financial and economic center.
If your allowance increases from $20 to $30 per week, what will definitely happen to your spending?
You will have $10 more to spend or save each week.
你每周将多出$10可以花费或储蓄。
What is the name of the currency used by most European Union countries?
The Euro is used by most European Union countries.
大多数欧盟国家使用欧元。
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
Why do stores definitely put Christmas items on sale right after Christmas?
Because nobody wants Christmas items after December 25th, so stores must lower prices to sell them. 因为在12月25日之后没人想要圣诞商品，所以商店必须降价才能卖出去。
What happens to prices during inflation? 通货膨胀期间价格会发生什么？
Prices increase and money buys less than before. 价格上涨，货币比以前买的东西更少。
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
If a new phone costs $800 and you earn $10 per hour babysitting, how many hours must you work to buy it?
You must work exactly 80 hours (800 ÷ 10 = 80). 你必须工作整整80小时（800 ÷ 10 = 80）。
f your country imports more than it exports, what definitely happens to your country's money?
The value of your country's currency will decrease because more money is leaving the country than coming in. 你们国家的货币价值会下降，因为流出国家的钱比流入的多。
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 is the name of the international organization that helps countries with trade and economic development?
The World Trade Organization (WTO) handles trade, and the World Bank helps with economic development. 世界贸易组织（WTO）处理贸易，世界银行帮助经济发展。
What definitely happens when too many students want to buy the same limited edition sneakers?
Answer: The sneakers will sell out quickly, and some students won't be able to buy them. 运动鞋会很快售罄，有些学生将无法买到。
Why is cooking dinner at home definitely cheaper than eating at a restaurant?
Answer: Because restaurants charge extra money for service, rent, and profit, while home cooking only costs the ingredients. 因为餐厅要收取额外的服务费、租金和利润，而在家做饭只需要食材成本。