Grades
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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- Counting objectsStart
- Number 1 and its digitStart
- Number 2 and its digitStart
- Number 3 and its digitStart
- Number 4 and its digitStart
- Number 5 and its digitStart
- Addition with numbers 1 to 5Start
- Subtraction with numbers 1 to 5Start
- Comparing numbers from 1 to 5Start
- Performing operations with numbers from 1 to 5Start
- Number 6 and its digitStart
- Number 7 and its digitStart
- Number 8 and its digitStart
- Number 9 and its digitStart
- Number 0 and its digitStart
- Number 10Start
- Comparing numbers from 1 to 10Start
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- Addition termsStart
- Subtraction termsStart
- Finding the unknown addendStart
- Finding the unknown minuendStart
- Finding the unknown subtrahendStart
- The relationship between addition and subtractionStart
- The commutative property of additionStart
- Addition tableStart
- The comparison propertyStart
- ExpressionsStart
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- Problem structureStart
- Algorithm for solving problemsStart
- Simple problemsStart
- Methods of presenting problem conditionsStart
- Solving problemsStart
- Problems on finding the wholeStart
- Problems on finding partsStart
- Problems on increasing a number: -moreStart
- Problems on increasing a number: How much more?Start
- Problems on decreasing a number: -lessStart
- Problems on decreasing a number: How much less?Start
- Comparison problems: How much bigger?Start
- Comparison problems: How much smaller?Start
- Solving complex problemsStart
- Filling in missing information in problem conditionsStart
- Non-standard problemsStart
- Solving two-step problemsStart
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- Length. Centimeter.Start
- Measuring line segmentsStart
- Centimeter. Decimeter.Start
- The relationship between decimeter and centimeterStart
- Length measurement: ProblemsStart
- Mass and units of massStart
- Volume and units of volumeStart
- Quantities: Length, mass, and volumeStart
- Quantities and their propertiesStart
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- Line segment and its lengthStart
- Drawing a line segment of given lengthStart
- Properties of a line segmentStart
- Length of a broken lineStart
- PolygonStart
- Perimeter of a polygonStart
- Rectangle and squareStart
- Perimeter of a rectangleStart
- Perimeter of a squareStart
- AngleStart
- RectanglesStart
- Areas and boundariesStart
- Congruent shapesStart
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