1.
Mixed calculations of natural numbers

① Calculation of expressions that mix addition and subtraction
② Calculation of expressions that mix multiplication and division
③ Calculation of expressions that mix addition, subtraction, and multiplication
④ Calculation of expressions that include addition, subtraction, and division
⑤ Calculation of expressions that mix addition, subtraction, multiplication, and division

2.
Divisors and multiples

① Divisor
② Drainage
③ Relationship between divisors and multiples
④ Common divisor and greatest common divisor
⑤ How to find the greatest common divisor
⑥ Common multiple and least common multiple
⑦ How to find the least common multiple

3.
Correspondence relationship

① Correspondence between two quantities
② Express the correspondence relationship as a formula
③ Find corresponding relationships in real life and express them in equations.

4.
Reduce and common fractions

① Fractions of the same size
② Creating fractions of the same size
③ Reduction
④ Frustration
⑤ Note on the size of the fraction
⑥ Comparison of the sizes of fractions and decimals

5.
Addition and subtraction of fractions

① Addition of proper fractions whose sum is less than 1
② Addition of proper fractions whose sum is greater than 1
③ Addition of mixed numbers
④ Subtraction of proper fractions
⑤ Subtraction of mixed numbers where fraction parts can be subtracted
⑥ Subtraction of mixed numbers where the fractional parts cannot be subtracted

6.
Perimeter and area of ​​polygons

① Perimeter of a regular polygon
② Perimeter of rectangle, parallelogram, and rhombus
③ Unit of area 1 ㎠
④ Area of ​​the rectangle
⑤ Unit of area larger than 1 ㎠
⑥ Area of ​​a parallelogram
⑦ Area of ​​a triangle
⑧ Area of ​​a trapezoid
⑨ Area of ​​a rhombus

"Complete your basic skills with the Type Review System! Light"

What is the 'Type Review System'?
A system to master the types of questions by reviewing the problems in the [Concept Book] in the [Review Book].
[Concept Book] Detailed and reliable concept learning and problem-solving skills
[Review Book] Includes basic skills problems, [Concept Book] 1:1 review of problems
[Assessment Book] Includes unit assessments, descriptive assessments, and academic achievement assessments appropriate for the light level.

·『Concept + Type Light』is a textbook with a type review system that will help you solidify your math skills.

·『Concept + Type Light』 is composed of '30% lower, 50% middle, and 20% upper problems' and is good for completing the basics.