1.
Division of fractions
① Proper fractions with the same denominators that divide the numerators by (proper fraction)÷(proper fraction)
② Proper fractions with the same denominators that are not divisible by each other (proper fraction)÷(proper fraction)
③ (Proper fraction) with different denominators ÷ (Proper fraction)
④ (natural number)÷(proper fraction)
⑤ (improper fraction)÷(proper fraction)
⑥ (mixed number)÷(proper fraction)
⑦ (mixed number)÷(mixed number)

2.
Division of decimals
① Using division of natural numbers (decimal)÷(decimal)
② (one-digit decimal number)÷(one-digit decimal number)
③ (two-digit decimal number)÷(two-digit decimal number)
④ (two-digit decimal number)÷(one-digit decimal number)
⑤ (natural number)÷(one-digit decimal number)
⑥ (natural number)÷(two-digit decimal number)
⑦ Rounding off the quotient
⑧ The amount left over after sharing

3.
Space and volume
① Find out the shape and number of stacked blocks by looking at the shape stacked with stacked blocks and the shape seen from above.
② Draw the shape from above, front, and side by looking at the shape built with stacked wooden blocks.
③ Look at the shapes from above, front, and side to find out the stacked shapes and the number of stacked blocks.
④ Find out the number of stacked blocks by writing the numbers on the shape shown above.
⑤ Draw the shape shown in each layer by looking at the shape built with stacked wood.
⑥ Look at the shapes shown in each layer and find out the stacked shapes and the number of stacked trees.

4.
Proportional formula and proportional distribution
① Nature of rain
② Expressing as a ratio of simple natural numbers
③ Expressing the ratio of a prime number as a ratio of simple natural numbers
④ Expressing the ratio of fractions as a ratio of simple natural numbers
⑤ Express the ratio of decimals and fractions as a simple ratio of natural numbers.
⑥ Proportionality
⑦ Properties of proportions
⑧ Proportional distribution

5.
Area of ​​a circle
① Circumference and pi
② Finding the diameter using the circumference
③ Area of ​​the circle

6.
cylinder, cone, sphere
① Cylinder
② Development of a cylinder
③ Cone
④ District

『Concept + Operation Light』 strengthens conceptual memory with one-cut concepts,
This is an elementary math textbook that strengthens calculation skills through calculation techniques.

【Complete Basic Skills】 Includes all units (not only operations, but also shapes, measurements, etc.)
【Strengthening Concept Memory】 Includes one-cut concepts to help you learn concepts easily and enjoyably.
【Strengthening Ability to Calculate】 Includes secrets to elementary equation calculations that will help you develop your numerical sense and speed up your calculations when you memorize them.

『Concept + Operation Light』 has been released for students who want to practice all operations in elementary math without missing anything.

By learning with 『Concept + Operation Light』, you can perform calculations quickly and accurately through calculation secrets that help you calculate quickly and accurately, and you can perfect your calculation skills by supplementing any skills you lack with the "Clinic Book" that fills in your skills.

By learning with 『Concept + Operation Light』, you can build a solid foundation in mathematics.