Цілі навчання
- Recognise, explain, and apply “Umkehraufgaben”.
- Recognise, explain, and apply “Restidee”.
- Recognise, explain, and apply “Sachaufgaben”.
German Grade 2 / Mathematics / Multiplikation und Division
Teilen und Verteilen: structured theory, worked examples, answered practice, and a mastery checklist for German Grade 2.
Розділ
Ключові ідеї глави у зрозумілій послідовності перед практикою.
Write the number in a useful form, check sign and place value, and only then choose the operation. A clear representation reduces mechanical errors.
Fractions, decimals, percentages, ratios, and powers can describe the same quantity. Changing form is a solving tool, not a separate trick.
Estimate before and after the exact calculation. The sign, order of magnitude, and unit must agree with the problem context.
Use a suitable representation, state the rule, and keep every numerical or algebraic step equivalent. Finish with estimation, an inverse operation, or substitution as a check.
Use a suitable representation, state the rule, and keep every numerical or algebraic step equivalent. Finish with estimation, an inverse operation, or substitution as a check.
Use a suitable representation, state the rule, and keep every numerical or algebraic step equivalent. Finish with estimation, an inverse operation, or substitution as a check.
Mathematics
Дотримуйтесь методу крок за кроком і перевіряйте обґрунтування.
3 equal groups contain 11 objects each. How many objects are there, and how can the answer be checked?
33
Explain “Umkehraufgaben” in your own words and use a picture, objects, a table, or a simple measurement to support it.
A complete explanation connects the correct idea, a clear representation, and a sensible check.
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Вісім завдань від базових навичок до екзаменаційного рівня. Спочатку виконайте самостійно.
Calculate 8 + 3 and show two representations connected with “Umkehraufgaben”.
Use a number line, place value, or objects.
8 + 3 = 11. Valid representations include number-line jumps and grouped objects.
5 equal groups contain 4 objects each. Find the total and write an addition and multiplication statement.
Add 4 a total of 5 times.
4 + 4 + 4 + 4 + 4 = 5 · 4 = 20.
Continue 7, 9, 11, ... for three more terms and explain the rule.
Check how much each term increases.
13, 15, 17; +2.
A rectangle has sides 3 cm and 4 cm. Find its perimeter and explain why four sides are counted.
Opposite sides are equal.
Perimeter = 3 + 4 + 3 + 4 = 14 cm.
Out of 36 objects, 6 are shaded. What fraction is shaded and how does it simplify?
Put shaded objects over the total.
6/36 = 1/6.
The measurements are 9, 3, 9, and 3. Find the greatest, least, and range.
Range = greatest value minus least value.
Greatest 9, least 3, range 6.
Anna has 25 cards, gives away 5, then shares the rest into 4 equal groups. How many are in each group?
Subtract first, then divide.
25 - 5 = 20; (20) : 4 = 5.
A learner says 8 + 2 = 11. Find the error, correct it, and check the correction.
Check with a number line or inverse subtraction.
8 + 2 = 10; 10 - 2 = 8.
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Шість різних завдань від базового рівня до складного з часом, підказками та відповідями.
Homework 1: Calculate 4 + 4 and show two representations connected with “Umkehraufgaben”.
Use a number line, place value, or objects.
4 + 4 = 8. Valid representations include number-line jumps and grouped objects.
Homework 2: 6 equal groups contain 7 objects each. Find the total and write an addition and multiplication statement.
Add 7 a total of 6 times.
7 + 7 + 7 + 7 + 7 + 7 = 6 · 7 = 42.
Homework 3: Continue 3, 6, 9, ... for three more terms and explain the rule.
Check how much each term increases.
12, 15, 18; +3.
Homework 4: A rectangle has sides 6 cm and 5 cm. Find its perimeter and explain why four sides are counted.
Opposite sides are equal.
Perimeter = 6 + 5 + 6 + 5 = 22 cm.
Homework 5: Out of 18 objects, 9 are shaded. What fraction is shaded and how does it simplify?
Put shaded objects over the total.
9/18 = 1/2.
Homework 6: The measurements are 5, 4, 5, and 4. Find the greatest, least, and range.
Range = greatest value minus least value.
Greatest 5, least 4, range 1.
35 хвилин / 30 балів
Повний тест із таймером, балами та зразками відповідей.
Start the timer when ready, work without notes, show every step, and open model answers only after finishing.
1. Calculate 9 + 4 and show two representations connected with “Umkehraufgaben”.
2 балів9 + 4 = 13. Valid representations include number-line jumps and grouped objects.
2. 6 equal groups contain 5 objects each. Find the total and write an addition and multiplication statement.
3 балів5 + 5 + 5 + 5 + 5 + 5 = 6 · 5 = 30.
3. Continue 8, 11, 14, ... for three more terms and explain the rule.
3 балів17, 20, 23; +3.
4. A rectangle has sides 4 cm and 5 cm. Find its perimeter and explain why four sides are counted.
4 балівPerimeter = 4 + 5 + 4 + 5 = 18 cm.
5. Out of 14 objects, 7 are shaded. What fraction is shaded and how does it simplify?
4 балів7/14 = 1/2.
6. The measurements are 3, 4, 3, and 4. Find the greatest, least, and range.
4 балівGreatest 4, least 3, range 1.
7. Anna has 36 cards, gives away 6, then shares the rest into 5 equal groups. How many are in each group?
5 балів36 - 6 = 30; (30) : 5 = 6.
8. A learner says 9 + 3 = 13. Find the error, correct it, and check the correction.
5 балів9 + 3 = 12; 12 - 3 = 9.
Розділ
Джерела програми; порядок тем уточнюйте у школі та викладача.
Mathematics
German Grade 2: структурований маршрут з математики та фізики з розділами, практикою і наступними кроками.
Структура відповідає підручнику й допомагає організувати вивчення теми.
Теми, де найчастіше виникають помилки або потрібна додаткова практика.
З чого почати: підручник, daily material, PDFs, videos і worked examples.
Цільова практика перед full tests, щоб coverage було зрозумілим.
Як вимірювати прогрес у главі і коли додавати її до загального mock.
Що робити після глави і як вона пов'язана з наступним розділом.
Примітка: офіційну екзаменаційну програму кожного року завжди уточнюйте у школі, викладача та за поточними офіційними джерелами.