​A is for angle

​The amount of turn between two lines around their common point (the vertex).

​B is for beam balance

​Another word for balance scales , a device user to compare weights or masses

​c is for cents

​the smallest money value in many countries

​d is for data

​A collection of facts, such as numbers, word, measurements, observation or even just description of things.

​E is for equal

​Exactly the same amount or value

​F is for factor

​number we can multiply together to get another number

​g if for graph

​A diagram of values,usually shown as lines

​h is for hour

​A period of time equal to 1/24 (a twenty fourth) of a day

​i is for inch

​A measure of length ( or dostance) in US units

​j is for jump strategy

J​umping by parts of a number to solve a calculation.

K is for kilogram

​A metic measur of mass( which we feel as weight).

​L is for line symmetry

​Another name for reflection symmetry. One half is the reflection of the other half

​m is for multiplication

The basis odea of multiplication is repeated addition.

​n is for number

​A number is a count or measurement

​o is for obtuse angle

​An obtuse angle is more than 90 but less than 180

​p is for pound

​A measure of mass in the US snd imperial measurement system

Q is for quart

​A measure of volume in the US and Imperial systems of measurement

R is for right angle

​An angle which is equal to 90 , one quarter of a full revolution

S is for subtract

​To take one number away from another.

​t is for trapezoid

​A flat shape with 4 straight sides that has a pair of oppsite sides parallel.

​u is for unit of measure

​A quantity used as a standard of measurement

​V is for value

​A number,or the result of calculation.

​w stand for whole

​all of something. Complete.

​X is for axis

​A line on a graph that runs horizontally (left-right) through zero

​Y is for yard

​A unit of lengh (of distance) in US units equal to 3 feet or 36 inches.

​Z is for zer

​The whole number between -1 and 1, with the symbol 0