The mathematics tutorial class of Majuqiao Town Central Primary School requires students to master the relevant teaching contents of multiplication and division. 1, so that students can understand the arithmetic of multiplying two digits by three digits and master the written calculation method of multiplying two digits by three digits. 2. Make students master the multiplication and division method and apply it to simple operations. 3. I will use two or three-step calculation method (multiplication plus multiplication, multiplication minus multiplication, division plus division, division minus method, etc. ) to answer some simple practical questions. 4. Make students master that division is an oral division in integer decimal system, which can be calculated correctly; Master the formula of dividing two digits by one digit, and the quotient is an integer. 5. Make the students master the calculation method and trial quotient method of dividing the divisor into two digits, correctly calculate the division of three digits divided by two digits with a pen, and test it with a pen multiplication or calculator; Can correctly answer practical questions related to the division of two digits. 6. Make students understand the invariance of quotient and use this property to do some simple calculations. 7. Make students master the estimation method of two-digit division. 8. Ask the students to use the calculator to round the quotient of division into integers.