Add & subtract time units | Problems, Online Practice, Tests, Worksheets, Quizzes, Assignments | Year 4 | Australian School Math

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Year 4
Measurement and geometry
Using units of measurement
Add & subtract time units

Year 4

1. Number and Algebra

1.1. Number and place value

1.1.1. Even and odd: Properties

1.1.2. Prime & composite numbers

1.1.3. Rounding numbers

1.2. Roman Numerals

1.3. Representation of Large Numbers

1.3.1. Write Large Numbers by Separating the Periods

1.3.2. Write Numerals as Number Names

1.3.3. Write Number Names as Numerals

1.4. Forming Numbers

1.5. Place Value and Face Value of a Digit in a Numeral

1.6. Expanded Form of a Number

1.7. Compare and Order Numbers

1.7.1. Comparing numbers

1.7.2. Ordering numbers

2. Addition

2.1. Estimate sums

2.2. Add numbers up to five digits

2.2.1. Add two numbers up to five digits (Without Carrying)

2.2.2. Add three or more numbers up to five digits (Without Carrying)

2.2.3. Add two numbers up to five digits (With Carrying)

2.2.4. Add three or more numbers up to five digits (With Carrying)

2.3. Find the Missing Digit While Adding Numbers

2.4. Addition - Properties and Facts

2.4.1. Order/Commutative Property of Addition

2.4.2. Grouping/Associative Property of Addition

2.4.3. Addition Property of Zero

2.5. Word Problems on Addition

3. Subtraction

3.1. Estimate difference

3.2. Subtract numbers up to five digits

3.2.1. Subtract numbers up to five digits (Without Borrowing)

3.2.2. Subtract numbers up to five digits (With Borrowing)

3.3. Find the Missing Digit While Subtracting Numbers

3.4. Subtraction - Properties and Facts

3.4.1. Subtraction Property of Zero

3.4.2. Subtraction of One

3.4.3. Subtraction by Itself

3.5. Word Problems on Subtraction

4. Mixed operations

4.1. Choose numbers with a particular sum, difference, product or quotient

4.2. Input/output tables with addition, subtraction, multiplication and division

4.3. Inequalities involving addition, subtraction, multiplication and division

4.4. Add and Subtract 2-Digit and 3-Digit Numbers

4.5. Balance Sentences - Addition and Subtraction (up to 999)

4.6. Word Problems Involving Both Addition and Subtraction

5. Multiplication

5.1. Multiplication using area models

5.1.1. Multiplication using area models I

5.1.2. Multiplication using area models II

5.2. Estimate products

5.3. Multiplicand, Multiplier and Product

5.4. Multiplication - Properties and Facts

5.4.1. Order Property of Multiplication

5.4.2. Grouping/Associative Property of Multiplication

5.4.3. Multiplicative Property of One

5.4.4. Multiplicative Property of Zero

5.4.5. Distributive Property of Multiplication over Addition

5.4.6. Identify the Property of Multiplication

5.5. Multiplication by Multiples of 10

5.5.1. Multiplication by 10, 100, and 1000

5.5.2. Multiplication by a Multiple of 10, 100, and 1000

5.5.3. Mixed Problems on Multiplication by Multiples of 10

5.6. Multiplication by 1-Digit Numbers

5.6.1. Multiplication: 2-Digit by 1-Digit

5.6.2. Multiplication: 3-Digit by 1-Digit

5.6.3. Multiplication: 4-Digit by 1-Digit

5.7. Multiplication by 2-Digit Numbers

5.7.1. Multiplication: 2-Digit by 2-Digit

5.7.2. Multiplication: 3-Digit by 2-Digit

5.8. Word Problems on Multiplication

6. Division

6.1. Division using area models

6.2. Divisibility rules

6.3. Estimate quotients

6.4. Divider, Quotient, Dividend, and Remainder

6.5. Divide by 10, 100, 1000 etc

6.6. Divide by Multiples of 10, 100, 1000 etc

6.7. Long Division

6.7.1. Divide a Number by a 2-digit Number (No Remainder)

6.7.2. Divide a Number by a 3-digit Number (No Remainder)

6.7.3. Divide a Number by a 2-digit Number (With Remainder)

6.7.4. Divide a Number by a 3-digit Number (With Remainder)

6.8. Division - Properties and Facts

6.8.1. Division by One

6.8.2. Division by the Number Itself

6.8.3. Division by Zero

6.8.4. Dividing Zero by a Number

6.9. Word Problems on Division

7. Patterns and algebra

7.1. Number sequence

7.2. Multiplication pattern

7.3. Rule for the Pattern

7.4. Find the Missing Term in the Pattern

7.5. Words problems on number pattern

7.6. Complete an increasing number pattern

7.7. Complete a geometric number pattern

7.8. Number patterns: mixed review

8. Fractions and decimals

8.1. Fraction as a Part of a Whole

8.2. Fractional Numbers and Fractions

8.3. Numerator and Denominator of a Fraction

8.4. Division as Fraction

8.5. Fraction as Division

8.6. Fractions on a Number Line

8.7. Equivalent Fractions

8.8. Equivalent fractions on number lines

8.9. Select fractions equivalent to whole numbers using models

8.10. Find fractions equivalent to whole numbers

8.11. Comparison of Fractions

8.11.1. Compare and Order Fractions with Same Denominators

8.11.2. Compare and Order Fractions with Same Numerators

8.12. Like and Unlike Fractions

8.13. Unit Fraction

8.14. Proper, Improper and Mixed fractions

8.14.1. Understand the Meaning of Proper, Improper and Mixed Fractions

8.14.2. Convert Improper Fractions to Mixed Fractions

8.14.3. Convert Mixed Fractions to Improper Fractions

9. Decimals

9.1. Decimals on number lines

9.2. Equivalent decimals

9.3. Conversions

9.3.1. Converting Decimals into Fractions(With Denominators as Power of 10)

9.3.2. Converting Fractions(With Denominators as Power of 10) into Decimals

9.4. Pictorial Representation of a Decimal Number

9.5. Number Names of Decimal Numbers

9.6. Place Value of the Digits of a Decimal Number

9.7. Expanded Form of Decimal Numbers

10. Money and financial mathematics

10.1. Round to the nearest five cents

10.2. Compare money amount

10.3. Round to the nearest five cents: word problems

10.4. Price list

10.5. Addition and Subtraction of Money

10.5.1. Addition of Amounts in Dollars and Cents

10.5.2. Subtraction of Amounts in Dollars and Cents

10.6. Word Problems on Money

10.6.1. Word Problems on Addition of Money

10.6.2. Word Problems on Subtraction of Money

11. Measurement and geometry

11.1. Using units of measurement

11.1.1. Time patterns

11.1.2. Word Problems on Time

11.1.3. Reading thermometer

11.1.4. Metric Units of Capacity

11.1.5. Measure Using a Vessel

11.1.6. Metric Units of Weight

11.1.7. Measure Using a Weighing Balance

11.1.8. Metric Units of Length

11.1.9. Measure Using a Ruler

11.1.10. Compare metric units of length

11.1.11. Compare metric units of weights

11.1.12. Compare metric units of capacity

11.1.13. Convert units of time

11.1.14. Add & subtract time units

11.1.15. A.M or P.M

11.1.16. Elapsed time

11.2. Shape

11.2.1. Find the area of figures made of unit squares

11.2.2. Select figures with the given area

11.2.3. Find the area on grid

11.2.4. Area word problems

11.2.5. Volume of rectangular prisms made of unit cubes

11.2.6. Volume of irregular figures made of unit cubes

11.3. Location and transformation

11.3.1. Map distances

11.3.2. Symmetry Around Us

11.3.3. Rotational Symmetry

11.3.4. Identifying Mirror Halves

11.3.5. Symmetry in Geometric Figures

11.3.6. Symmetry in Alphabets

11.3.7. Symmetry in Numerals

11.4. Geometric reasoning

11.4.1. Angles as fractions of a circle

11.4.2. Angles greater than, less than or equal to a right angle

12. Statistics and probability

12.1. Chance

12.1.1. Combination

12.1.2. Certain, Likely, Unlikely, and Impossible Events

12.1.3. Identify independent and dependent events

12.2. Data representation and interpretation

12.2.1. Introduction to Pictograph

12.2.2. Creating Pictographs

12.2.3. Interpreting Pictographs

12.2.4. Creating Line graphs

12.2.5. Interpret line graphs

12.2.6. Create frequency charts

12.2.7. Interpret frequency charts

12.2.8. Create Bar Graphs

12.2.9. Interpreting Bar Graphs

12.3. Pictographs

12.3.1. Introduction to Pictograph

12.3.2. Drawing Pictographs

12.3.3. Interpreting Pictographs

12.4. Bar Graphs

12.4.1. Drawing Bar Graphs

12.4.2. Interpreting Bar Graphs

Year 4 Australian School Math Add & subtract time units

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