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- Factors and Multiples
- Factors and Multiples of a Number
- Types of Numbers
- Prime and Composite Numbers
- Properties of Composite and Prime

## Grade 5 Hong Kong School Math Properties of Composite and Prime

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Master this topic as part of

*Prime and Composite Numbers* 1. Exponents

2.2. Word Problems

2.2.2. Multi-step word problems

2.2.2.1. Simple multi-step problems

2.2.2.4. Miscellaneous problems

5.4. Solve the equations

5.4.1. With whole numbers

5.4.2. With decimals

5.6. Questions on graph

8.1. Revisiting concepts

8.2. Types of polygons

8.3. Lines & its type

8.4. Various angles

8.7. Venn diagrams

8.8. Parts of a circle

11. Large Numbers

11.1.2. Write Numerals as Number Names

11.1.3. Write Number Names as Numerals

11.1.5. Numbers in Expanded Form

11.2.1. Successor of a Number

11.2.2. Predecessor of a Number

11.3.

*n*Digit Numbers 11.4. Place of a Digit

11.5. Compare Large Numbers

11.6.1. Addition of Large Numbers

11.6.2. Subtraction of Large Numbers

11.6.3. Multiplication of Large numbers

11.6.4. Division of Large Numbers

12.5. Compare Roman Numerals

13. Simplification

14.1.1. Finding Factors of a Number

14.1.2. Finding Multiples of a Number

14.1.5. Types of Numbers

14.1.5.1. Odd and Even Numbers

14.1.5.2. Prime and Composite Numbers

14.1.5.2.1. Definition

14.1.5.2.2. Composite Numbers

14.1.5.2.3. Prime Numbers

14.1.5.2.4. Properties of Composite and Prime

14.1.5.3. Twin Primes

14.1.5.4. Co-Primes

14.2. Tests of Divisibility

14.2.1. Test Divisibility by 2

14.2.2. Test Divisibility by 10

14.2.3. Test Divisibility by 9

14.2.4. Test Divisibility by 8

14.2.5. Test Divisibility by 7

14.2.6. Test Divisibility by 6

14.2.7. Test Divisibility by 5

14.2.8. Test Divisibility by 4

14.2.9. Test Divisibility by 3

14.2.10. Test Divisibility by 11

14.4. HCF and LCM

14.4.1. HCF (Highest Common Factor)

14.4.2. LCM (Lowest Common Multiple)

14.4.3. Properties of LCM and HCF

14.4.4. Word Problems on HCF and LCM

15. Fractions

15.2. Unit Fraction

15.4. Equivalent Fractions

15.6. Compare Fractions

15.7.1. Addition of Fractions

15.7.1.1. Addition of Like Fractions

15.7.1.2. Addition of Unlike Fractions

15.7.1.3. Addition of Mixed Fractions

15.7.2. Subtraction of Fractions

15.7.2.1. Subtraction of Like Fractions

15.7.2.2. Subtraction of Unlike Fractions

15.7.2.3. Subtraction of Mixed Fractions

15.8.1. Multiplication of Fractions

15.8.1.3. Use of 'OF'

15.8.2. Division of Fractions

15.8.2.2. Division of a Fraction by a Fraction

15.8.2.3. Division of a Fraction by a Whole Number

15.8.2.4. Division of a Whole Number by a Fraction

16. Decimals

16.1. Reading a Decimal Number

16.2. Operations on Decimals

16.2.1.1. Addition of Decimals

16.2.1.2. Subtraction of Decimals

16.3.1. Convert Decimals to Fractions

16.3.1.1. Convert Decimals to Proper Fractions

16.3.1.2. Convert Decimals to Improper Fractions

16.3.1.3. Convert Decimals to Mixed Fractions

16.4. Ordering Decimals

16.5. Comparing Decimals

16.6. Like and Unlike Decimals

16.9. Place Value Chart

16.10.1. Multiplication of Decimals

16.10.1.1. Multiplying a Decimal by 10, 100, 1000 etc

16.10.1.2. Multiplying a Decimal by a Whole Number

16.10.1.3. Multiplication of Two/Three Decimals

16.10.2. Division of Decimals

16.10.2.1. Division of a Decimal by 10, 100, 1000 etc

16.10.2.3. Division of a Decimal by a Whole Number

16.10.2.4. Division of a Decimal by a Decimal

16.10.2.5. Division of a Whole Number by a Decimal

17. Rounding Numbers

17.1. Rounding Off Numbers

17.1.1. Rounding Off to the Nearest Ten

17.2.1. Rounding Off to the Nearest One

18. Measurement

18.1. Measurement of Length

18.1.2.1. Addition of Lengths

18.1.2.2. Subtraction of Lengths

18.1.3.1. Multiplication of Lengths

18.1.3.2. Division of Lengths

18.2. Measurement of Weight

18.2.2.1. Addition of Weights

18.2.2.1.1. Addition of Weights in Grams and Milligrams

18.2.2.1.2. Addition of Weights in Kilograms and Grams

18.2.2.2. Subtraction of Weights

18.2.2.2.1. Subtraction of Weights in Grams and Milligrams

18.2.2.2.2. Subtraction of Weights in Kilograms and Grams

18.2.3.1. Multiplication of Weights

18.2.3.2. Division of Weights

18.3. Measurement of Capacity

19. Average

20. Percentage

21. Time

22. Money

22.1. Conversion of Money

22.1.1. Convert Dollars to Cents

22.1.2. Convert Cents to Dollars

22.2.1. Addition of Money

22.2.2. Subtraction of Money

23. Geometry

23.2. Angles

23.2.1. Introduction to Angles

23.2.4. Types of an Angle

23.3. Types of Lines

23.3.1. Parallel Lines

23.3.2. Perpendicular Lines

23.3.3. Intersecting Lines

23.3.4. Identifying the Type of Line

23.4. Set Squares

23.6. Triangles

23.7. Circle

23.7.1. Terms Related to a Circle

23.7.4. Concentric Circles

25. Volume

26. Data Handling

26.1. Pictographs

26.2. Bar Graphs

26.2.1. Drawing Bar Graphs

26.2.2. Interpreting Bar Graphs

26.3. Pie Charts