Lesson 22. Adding decimals

EXAMPLE:

3.2 + 4.31

EXAMPLE:

0.27 + 5 + 14.2

       0.27

       5.00 

  + 14.20

       19.47

(write 5 as 5.00)

Tasks to the lesson 22

• 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 23. Subtracting decimals
• Lesson 24. Multiplying decimals
• Lesson 25. Dividing decimals
• Lesson 26. Rounding numbers