Lesson 25. Dividing decimals

Dividing decimals by whole numbers.

EXAMPLE:

11 ÷ 8

EXAMPLE:

7.3 ÷ 4

Dividing by decimals.

To divide by a decimal, multiply both numbers by 10, 100, 1000, … so that the decimal you are dividing by becomes a whole number. Now divide the 2 numbers to get the answer.

EXAMPLE:

EXAMPLE:

EXAMPLE:

Note:

Then a number is divided by a decimal between 0 and 1, the answer will he larger that the staring number.

Tasks to the lesson 25

• Test 1
• Test 2
• Test 3

Other lessons:

• Lesson 1. Writing numbers
• Lesson 2. Adding whole numbers
• Lesson 3. Substracting whole numbers
• Lesson 4. Multiplication table
• Lesson 5. Multiplying whole numbers
• Lesson 6. Division whole nambers
• Lesson 7. Exponentiation
• Lesson 8. Sizes and their measuring
• Lesson 9. Dividing whole numbers with remainder
• Lesson 10. Factors and prime numbers
• Lesson 11. Highest common factor
• Lesson 12. Lowest common multiple
• Lesson 13. Equivalent fractions
• Lesson 14. Transformation of fraction
• Lesson 15. Adding fractions
• Lesson 16. Subtract fractions
• Lesson 17. Multiplying fractions
• Lesson 18. Dividing fractions
• Lesson 21. Eventual decimal fractions
• Lesson 22. Adding decimals
• Lesson 23. Subtracting decimals
• Lesson 24. Multiplying decimals
• Lesson 26. Rounding numbers