Test site 1: the divisibility of numbers and related concepts (this test site includes integer and divisibility and factorization of prime factors)

Assessment requirements: (1) Know the meanings of divisibility of numbers, odd and even numbers, prime numbers and composite numbers, multiples and factors, common multiples and common factors; (2) Know the characteristics of positive integers, 5 and 9 divisible by 2 or 3; (3) Decomposition factor; (4) Find the least common multiple and the greatest common factor of two positive integers. The positive integer involved in the discussion of specific issues is generally not greater than 100.

Sample question compilation: (under construction, I hope everyone will consciously build their own exam proposition library)

Test site 2: related concepts, basic properties and operations of scores.

Assessment requirements: (1) Master the reciprocity of fractions and decimals, and initially realize the transformation of ideas; (2) Master the addition and subtraction of fractions with different denominators and the multiplication and division of fractions.

Test site 3: the concepts of ratio, proportion, percentage and the nature of proportion.

Assessment requirements: (1) Understand concepts such as ratio, proportion and percentage; (2) The basic nature of proportion. The integral ratio theorem and the equal ratio theorem have no teaching requirements.

Test site 4: Simple questions of ratio, proportion and percentage.

Assessment requirements: (1) Examine the practical application of ratio and proportion, and master the acquisition methods of qualified rate, attendance rate, qualified rate, profitability and interest rate in combination with reality; (2) Will solve simple problems about ratio, proportion and percentage, and understand some basic knowledge and simple application of percentage in economy and life.

Test site 5: rational number and related concepts such as reciprocal, reciprocal, absolute value, and the representation of rational number on the number axis.

Assessment requirements: (1) Understand the concepts of reciprocal, reciprocal and absolute value; (2) Rational numbers will be represented by points on the number axis.

Note: (1) For the determination of the sign after the absolute value sign is removed, (2)0 has no reciprocal.