Brief Info about Korean Mathematics curriculum for each grade

This information will give a guidance for essential understandings about Korean mathematics standard of learning curriculum for grade 4. This article delineates the key concept and mathematical knowledge that all students should grasp to demonstrate an understanding in Grade 4.

Grade 4
3-1 the first semester

1. Large numbers
Read and write large numbers expressed through millions and billions

2. Multiplication and Division
Multiplication of three-digit number and two-digit number
Multiplication with more two numerals
Division of three-digit number by two-digit number

3. Angle and triangle
acute angle, right angle, obtuse angle
using of a protractor to measure an angle


4. Addition and subtraction of fractions
Addition and subtraction of fractions having the same denominator


5. The order of operations limited to parentheses, addition, subtraction, multiplication, and division
simplify numerical expressions by using the order of operations

6. Bar graph
organize, display and interpret data from a bar graph

4-2 the second semester
1. Addition and subtraction of decimals
Addition and subtraction of decimals with hundredths

2. Perpendicularity and parallelism
the concept of perpendicularity and parallelism

        distance between two parallel lines

3. Polygon
quadrilateral: difference of parallelogram, rectangle, square, trapezoid and rhombus

4. Rounding
the concept of rounding
procedure of rounding numbers
display number range through the use of a number line


5. Line graph
organize, display and interpret data from a line graph

6. Patterns
recognize numerical and geometric patterns
analyze repeating pattern and determine the next value