Brief Info about Korean Mathematics curriculum for grade 7

This information will give a guidance for essential understandings about Korean mathematics standard of learning curriculum for grade 7. This article delineates the key concept and mathematical knowledge that all students should grasp to demonstrate an understanding in Grade 7.

Grade 7
7-1 the first semester
Ⅰ. Number and arithmetic
 prime numbers and composite numbers
 prime factorization
 greatest common factor (GCF) and least common multiple (LCM)

The number system
Integers and rational numbers
commutative property of addition and multiplication, associative property of addition and multiplication, distribute Property of Multiplication over Addition
Solve practical problems involving addition, subtraction, multiplication and division of integers and rational numbers

expression and equation
Ⅱ. variables and algebraic expression
constant, terms in a variable expression
evaluate an algebraic expression, simplify like terms
algebraic equation and evaluate an algebraic equation
simple equation
procedure for solving equation and evaluate a simple equation
one-step inequality
solve word problems leading to equation

Ⅲ. Function
function and graph
the meaning of function
coordinate plane, quadrants, ordered pair
directly and inversely proportional graph

Geometry

7-2 the second semester
points, line, ray, line segment, plane
acute angle, right angle, obtuse angle, straight angle, vertical angle
parallel lines, corresponding angle,

position
skew lines, relationship of position between face and line, line and line

mapping angle and congruent
bisect angle with compass and ruler, draw a right angle with compass and ruler
draw the same triangle with protractor and ruler
side-side-side(SSS), side-angle-side(SAS), angle-side-angle(ASA)

polygon
interior and exterior angle of a polygon
circle and sector
the relationship between central angle and area and intercepted arc of a sector

polyhedron and body of revolution
surface of revolution, cross section of 3D figures like sphere, cylinder and cone
surface area and volume of a prism
surface area and volume of a pyramid
surface area and volume of a sphere