Building block · what is that?
Calculations in triangles and polygons
“Ich kann Streckenlängen und Winkel in Dreiecken und Vielecken mit Pythagoras, Ähnlichkeit und Trigonometrie berechnen.”
- Strand
- Geometry
- Grade band
- Grade 9/10
The chain
What you need before and what comes after, step by step.
Builds on · 35
- Step 1
- Natural numbers and place value · strand Arithmetic
- Estimating quantities · strand Arithmetic
- Basic plane shapes
- Parallel and perpendicular lines
- Step 2
- Comparing and ordering numbers · strand Arithmetic
- Written calculation methods · strand Arithmetic
- Understanding fractions · strand Arithmetic
- Converting units · strand Arithmetic
- Length, mass, money and time · strand Arithmetic
- Measuring and drawing angles
- Coordinate system
- Symmetry
- Drawing and constructing
- Step 3
- Order of operations and laws of arithmetic · strand Arithmetic
- Decimals and recurring decimals · strand Arithmetic
- Relations between quantities · strand Functions
- Reflections, translations, rotations
- Units of area and volume
- Constructing triangles
- Step 4
- Powers and powers of ten · strand Arithmetic
- Calculating with decimals · strand Arithmetic
- Simple equations · strand Algebra
- Rule of three · strand Functions
- Area and perimeter: rectangles, squares
- Congruence
- Step 5
- Square roots · strand Arithmetic
- Expressions with variables · strand Algebra
- Scale · strand Functions
- Direct proportion · strand Functions
- Step 6
- Simplifying expressions · strand Algebra
- Similarity
- Pythagorean theorem directly
- Step 7
- Linear equations · strand Algebra
- Right-angled trigonometry directly
- Step 8
- Intercept theorems directly
This building block · Step 9
Calculations in triangles and polygons
Built on directly by
No building block builds on it yet.
When is it taught?
Each curriculum sets in which grade a building block is taught. Without a chosen curriculum, the map shows the grade band.
| Placement | Grade | In the curriculum | Status |
|---|---|---|---|
| Grade band | 9/10 | holds where no curriculum is chosen or captured | kept in the catalog |
| Hesse, Grammar school (G9) | 9, 10 | Unit 9.5, 10.4 | captured |
| Other states (15) | – | – | not captured yet |
Other states, not captured yet: Baden-Württemberg, Bavaria, Berlin, Brandenburg, Bremen, Hamburg, Mecklenburg-Western Pomerania, Lower Saxony, North Rhine-Westphalia, Rhineland-Palatinate, Saarland, Saxony, Saxony-Anhalt, Schleswig-Holstein, Thuringia
Which app practises it?
No app practises this building block yet. That is a gap.
Do you have an idea how to practise it? Build an app for this strand