Цілі навчання
- Recognise, explain, and apply “convert”.
- Recognise, explain, and apply “measure”.
- Recognise, explain, and apply “duration”.
Year 3 / Mathematics / Measurement and geometry
Length, perimeter, mass, capacity and time: structured theory, worked examples, answered practice, and a mastery checklist for Year 3.
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.
2 equal groups contain 12 objects each. How many objects are there, and how can the answer be checked?
24
Explain “convert” 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.
Length, perimeter, mass, capacity and time
Вісім завдань від базових навичок до екзаменаційного рівня. Спочатку виконайте самостійно.
Calculate 9 + 2 and show two representations connected with “convert”.
Use a number line, place value, or objects.
9 + 2 = 11. Valid representations include number-line jumps and grouped objects.
4 equal groups contain 5 objects each. Find the total and write an addition and multiplication statement.
Add 5 a total of 4 times.
5 + 5 + 5 + 5 = 4 · 5 = 20.
Continue 8, 14, 20, ... for three more terms and explain the rule.
Check how much each term increases.
26, 32, 38; +6.
A rectangle has sides 4 cm and 3 cm. Find its perimeter and explain why four sides are counted.
Opposite sides are equal.
Perimeter = 4 + 3 + 4 + 3 = 14 cm.
Out of 35 objects, 7 are shaded. What fraction is shaded and how does it simplify?
Put shaded objects over the total.
7/35 = 1/5.
The measurements are 3, 2, 3, and 2. Find the greatest, least, and range.
Range = greatest value minus least value.
Greatest 3, least 2, range 1.
Anna has 24 cards, gives away 6, then shares the rest into 3 equal groups. How many are in each group?
Subtract first, then divide.
24 - 6 = 18; (18) : 3 = 6.
A learner says 9 + 6 = 16. Find the error, correct it, and check the correction.
Check with a number line or inverse subtraction.
9 + 6 = 15; 15 - 6 = 9.
Length, perimeter, mass, capacity and time
Шість різних завдань від базового рівня до складного з часом, підказками та відповідями.
Homework 1: Calculate 5 + 3 and show two representations connected with “convert”.
Use a number line, place value, or objects.
5 + 3 = 8. Valid representations include number-line jumps and grouped objects.
Homework 2: 5 equal groups contain 8 objects each. Find the total and write an addition and multiplication statement.
Add 8 a total of 5 times.
8 + 8 + 8 + 8 + 8 = 5 · 8 = 40.
Homework 3: Continue 4, 6, 8, ... for three more terms and explain the rule.
Check how much each term increases.
10, 12, 14; +2.
Homework 4: A rectangle has sides 7 cm and 4 cm. Find its perimeter and explain why four sides are counted.
Opposite sides are equal.
Perimeter = 7 + 4 + 7 + 4 = 22 cm.
Homework 5: Out of 18 objects, 3 are shaded. What fraction is shaded and how does it simplify?
Put shaded objects over the total.
3/18 = 1/6.
Homework 6: The measurements are 6, 3, 6, and 3. Find the greatest, least, and range.
Range = greatest value minus least value.
Greatest 6, least 3, range 3.
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 3 + 3 and show two representations connected with “convert”.
2 балів3 + 3 = 6. Valid representations include number-line jumps and grouped objects.
2. 5 equal groups contain 6 objects each. Find the total and write an addition and multiplication statement.
3 балів6 + 6 + 6 + 6 + 6 = 5 · 6 = 30.
3. Continue 9, 11, 13, ... for three more terms and explain the rule.
3 балів15, 17, 19; +2.
4. A rectangle has sides 5 cm and 4 cm. Find its perimeter and explain why four sides are counted.
4 балівPerimeter = 5 + 4 + 5 + 4 = 18 cm.
5. Out of 48 objects, 8 are shaded. What fraction is shaded and how does it simplify?
4 балів8/48 = 1/6.
6. The measurements are 4, 3, 4, and 3. Find the greatest, least, and range.
4 балівGreatest 4, least 3, range 1.
7. Anna has 35 cards, gives away 7, then shares the rest into 4 equal groups. How many are in each group?
5 балів35 - 7 = 28; (28) : 4 = 7.
8. A learner says 3 + 2 = 6. Find the error, correct it, and check the correction.
5 балів3 + 2 = 5; 5 - 2 = 3.
Розділ
Джерела програми; порядок тем уточнюйте у школі та викладача.
Mathematics
Year 3: 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.