1st grade
Students learn to recognize numbers, add and subtract, and explore the properties of shapes and objects. Additionally, they develop skills in measuring time and identifying simple geometric shapes.
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lesson 1
Properties of objects -
lesson 2
Numbers from 1 to 10- 1 . Counting objects
- 2 . Number 1 and its digit
- 3 . Number 2 and its digit
- 4 . Number 3 and its digit
- 5 . Number 4 and its digit
- 6 . Number 5 and its digit
- 7 . Addition with numbers 1 to 5
- 8 . Subtraction with numbers 1 to 5
- 9 . Comparing numbers from 1 to 5
- 10 . Performing operations with numbers from 1 to 5
- 11 . Number 6 and its digit
- 12 . Number 7 and its digit
- 13 . Number 8 and its digit
- 14 . Number 9 and its digit
- 15 . Number 0 and its digit
- 16 . Number 10
- 17 . Comparing numbers from 1 to 10
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lesson 3
Natural numbers -
lesson 4
Simple geometric shapes -
lesson 5
Addition and subtraction -
lesson 6
Numbers from 11 to 20 -
lesson 7
Brackets
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lesson 8
Adding and subtracting numbers -
lesson 9
Round numbers -
lesson 10
Two-digit numbers -
lesson 11
Adding and subtracting two-digit numbers -
lesson 12
Expressions -
lesson 13
Solving problems- 1 . Problem structure
- 2 . Algorithm for solving problems
- 3 . Simple problems
- 4 . Methods of presenting problem conditions
- 5 . Solving problems
- 6 . Problems on finding the whole
- 7 . Problems on finding parts
- 8 . Problems on increasing a number: -more
- 9 . Problems on increasing a number: How much more?
- 10 . Problems on decreasing a number: -less
- 11 . Problems on decreasing a number: How much less?
- 12 . Comparison problems: How much bigger?
- 13 . Comparison problems: How much smaller?
- 14 . Solving complex problems
- 15 . Filling in missing information in problem conditions
- 16 . Non-standard problems
- 17 . Solving two-step problems
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lesson 14
Quantities- 1 . Length. Centimeter.
- 2 . Measuring line segments
- 3 . Centimeter. Decimeter.
- 4 . The relationship between decimeter and centimeter
- 5 . Length measurement: Problems
- 6 . Mass and units of mass
- 7 . Volume and units of volume
- 8 . Quantities: Length, mass, and volume
- 9 . Quantities and their properties
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lesson 15
Two-dimensional geometric shapes- 1 . Line segment and its length
- 2 . Drawing a line segment of given length
- 3 . Properties of a line segment
- 4 . Length of a broken line
- 5 . Polygon
- 6 . Perimeter of a polygon
- 7 . Rectangle and square
- 8 . Perimeter of a rectangle
- 9 . Perimeter of a square
- 10 . Angle
- 11 . Rectangles
- 12 . Areas and boundaries
- 13 . Congruent shapes
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lesson 16
Symmetry -
lesson 17
Three-dimensional geometric shapes -
lesson 18
Expressions and inequalities -
lesson 19
Roman numerals -
lesson 20
Equations