1.
multiplication

(1) (three-digit number) × (one-digit number) without carry
(2) (three-digit number) × (one-digit number) with carry over from the first digit
(3) (three-digit number) × (one-digit number) with carry over in the tens and hundreds digits
(4) (dozens) × (dozens)
(5) (dozens) × (dozens)
(6) (how many) × (how many dozens)
(7) (dozens) × (dozens) with one lift
(8) There are several times (dozens) × (dozens)

2.
Division

(1) (tens)÷(how many)
(2) (dozens)÷(dozens) without descending
(3) (dozens)÷(dozens) with a rounding
(4) (tens or hundreds)÷(tens or hundreds) with no remainder
(5) (tens or hundreds)÷(tens or hundreds) with a remainder
(6) (three-digit number) ÷ (one-digit number) without remainder
(7) (three-digit number) ÷ (one-digit number) with remainder
(8) Check if the calculation is correct

3.
one

(1) Center, radius, and diameter of a circle
(2) Properties of the diameter of a circle
(3) Relationship between diameter and radius of a circle

4.
fountain

(1) Expressing as a fraction
(2) Learn about fractions
(3) Proper fraction, improper fraction, mixed number
(4) Expressing mixed numbers as improper fractions and improper fractions as mixed numbers
(5) Comparison of sizes of improper fractions, comparison of sizes of mixed numbers
(6) Comparison of the sizes of improper fractions and mixed numbers

5.
Load and weight

(1) Relationship between 1L and 1mL
(2) Addition of the two
(3) Subtraction of inputs
(4) Relationship between 1kg, 1g, and 1t
(5) Addition of weight
(6) Subtraction of weight

6.
Picture graph

(1) Picture graph
(2) Representation as a pictorial graph

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