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Can I learn the circle in the first volume of the second grade math textbook?
The first volume of the second grade math textbook will learn the circle. In the third unit, you will learn to know graphics.

Extended data:

The first volume of the second day of junior high school teaching content: 1 length unit 1- length unit teaching design a observation and measurement unit 1- length unit teaching design b decimeter and millimeter "length unit-exercises 1" teaching design understanding of millimeter 1 mm 2 length unit-understanding of line segment millimeter and decimeter. Understanding of centimeters in the instructional design of "using meters", Teaching design of centimeter measurement: Understanding of addition and subtraction of decimeter and millimeter within 2 100 (2) Teaching design of Unit 2-/arrangement and review addition and subtraction within kloc-0/00-/review addition and subtraction within kloc-0/00-I am taller/kloc-0. Addition and subtraction within 00-teaching design of continuous subtraction 4 teaching design of unit 2/addition and subtraction within 0/00-teaching design of exercise 5 teaching design of unit 2/addition and subtraction within 0/00-using mathematics to subtract two digits, two digits plus two digits, carry addition (application problem) to design two digits plus one digit 1 Two digits plus one digit 3 Unit 2-Two digits plus two digits plus three angles Preliminary understanding of instructional design (1) Understanding graphics-Understanding acute and obtuse angles of angles 1 Preliminary understanding of angles-Tangent angles and number angles (0 2 "Preliminary understanding of angles-Classification of angles" Preliminary understanding of design angles 1 Angle preliminary understanding right-angle unit 2- preliminary understanding right-angle preliminary understanding design angle 1 angle preliminary understanding 3-angle preliminary understanding 4- angle preliminary understanding 5-angle preliminary understanding 6-angle preliminary understanding 8-angle preliminary understanding 9-angle in the table 104- sorting out and reviewing Preliminary Understanding of Design Multiplication 1 Preliminary Understanding of Multiplication 2-Preliminary Understanding of Multiplication 3-2 Design and understand the multiplication formula of multiplication 1 Unit 23 Exercise of Multiplication Formula Unit 4-2, 3, 4 Design the game table multiplication Unit 4-5 Design the multiplication practice and train multiplication 1 multiplication 2 Unit 4- Design the multiplication oral course. Multiplication oral exercise 2 "Unit 4- Multiplication application problem" Design "Eyelashes do multiplication oral exercise" Unit 4-6 Multiplication practice class "Design 5 observation objects" Unit 5- Observation objects "Design understanding objects 2 axisymmetric graphics" Design axisymmetric graphics 1 Axisymmetric graphics 2 axisymmetric graphics 3 axisymmetric graphics 4 "Unit 5- Understanding mirror symmetry" Design "Unit 5- Observation object activity class Multiplication Formula of Unit 6 -9 Multiplication Formula of Design 9 19 2 Look at the pendulum design of Unit 6-Review, Unit 6 Design-Take a look at pendulum design unit 7 Statistics-Statistical design statistics 1 Statistics 2 Statistics 3 Statistics 4 Statistics 5 Statistics 68 Mathematics Wide Angle General Review Unit 9- General Review Design Primary School Mathematics (Jiangsu Education Edition) Grade 2 Unit 1 Cognitive Division Multiplication Unit 2 Multiplication Formula (1) Unit 3 Cognitive Graphics Unit 4 Cognitive Division Unit 5 Quotient Formula (/Kloc