MATHEMATICS SOME TERMS / DEFINITIONS

1. BY : MARIAH CHRISTMAS MATHEMATICS SOME TERMS / DEFINITIONS

2. Add, Addition, Sum, Plus, Increase, Total [+] Subtract, Subtraction, Minus, Less, Difference, Decrease, Take Away, Deduct [-] Multiply, Multiplication, Product, By, Times, Lots Of [*] Divide, Division, Quotient [÷] BASIC OPERATIONS

3. When both sides have the same quantity or mass. BALANCE

4. The distance around the edge of a circle (or any curvy shape). Circumference

5. The total of a frequency and all frequencies below it in a frequency distribution. It is the 'running total' of frequencies. Cumulative Frequency

6. A measure of temperature (how hot or cold it is)The symbol for degrees is °The two most common scales are Celsius and Fahrenheit Degree (Temperature)

7. The set of all inputs that a function accepts.The output values are called the range.Domain -> function -> RangeExample: if the function f(x) = x2 is given the values x = {1,2,3,…} then {1,2,3,…} is the domain. Domain of a function

8. The time of the year when day and night are each 12 hours long and the Sun is at the midpoint of the sky.This happens twice a year:* Spring equinox* Autumn (Fall) equinox Equinox

9. An equation that defines a straight line.In this example the equation is y = 2x + 1 Equation of a Straight Line

10. The sequence of numbers: 0,1,1,2,3,5,8,13,21,...Each number equals the sum of the two numbers before it.So after 1 and 1, the next number is 1+1=2, the next is 1+2=3, the next is 2+3=5 and so on. Fibonacci Sequence

11. The line that separates the numerator and the denominator.Also called a Vinculum Fraction Bar

12. Is the number written as 1 followed by 100 zeros.10,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 Googol

13. How steep a straight line is.In this example the gradient is 3/5 = 0.6 Gradient

14. The name given to our number systemUses these numerals: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9It was developed by the Hindus and Arabs many years ago. Hindu-Arabic Number System

15. A hectare is a unit of area equal to 10,000 square meters. Usually used to measure land.Symbol: ha1 ha = 2.47 Acres approximately Hectare (ha)

16. A triangle with two equal sidesThe angles opposite the equal sides are also equal Isosceles Triangle

17. A polyhedron (a flat-sided solid object) with 20 Faces.If it is "regular" it is one of the Platonic Solids Icosahedron

18. Jumping by parts of a number to solve a calculation.For example: 4 + 12 = 4 + 10 + 1 + 1  Jump Strategy

19. It has two pairs of sides.Each pair is made up of adjacent sides (the sides meet) that are equal in length. The angles are equal where the pairs meet. Diagonals (dashed lines) meet at a right angle, and one of the diagonal bisects (cuts equally in half) the other. Kite

20. A Metric measure of volume. Equal to 1,000 liters. Also equal to the volume of a cube that is 1m on each side (a cubic meter or 1 m3)Example: The fire engine carries 2 kiloliters of waterThe abbreviation is kl Kilolitre / Kiloliter