TNSB - 6 - Maths :: Natural Numbers and Whole Numbers

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Go To: TNSB-Mathematics-Grade 6

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[Contributor - Kripa S]


Objective: To explain natural numbers, whole numbers

Subtopics to be covered:

- Number line

- Predecessor, Successor

- Arrange numbers in order, compare numbers

- Write in words, figures

- Four operations on the numbers (+, -, x, ÷)

Learning Outcome:

- Students can write the predecessor, successor for a number

- Students can arrange given numbers in order

- Students can solve problems with operations (+, -, x, ÷) on numbers


[Contributor - Kripa S]


https://www.youtube.com/watch?v=e-zWcQlqco0 (number line - English)

https://www.youtube.com/watch?v=ujEGPx_BlNU (place value - English)


[Contributor - Kripa S]


1. Count the number of students in your class. Count the number of students in your school. Count the number of children in your village. Count the number of stars in sky at night. How big can the numbers be? Is there any biggest number after which there can be no other number? Discuss and share

2. Play in pairs. One student ask the other to think of a number. Multiply the number by 2, then add 2, multiply 5, then add 5, multiply 10, then add 10. Ask the friend for answer. You can guess what the number is. Trick is ignore the units and ten's place digits. Consider the left digits, subtract 1 and that is the number thought by the student.


[Contributor - Gayathri Arun]

Term Transliterated Term Translated Term
Natural Number                               நேச்சுரல் நம்பர்                                        இயல் எண்
Whole Number                                      ஹோல் நம்பர்                                              முழு எண்
Predecessor                                         ப்ரடிஸிஸர்                                              முன்னி
Successor                                             ஸக் ஸஸர்                                                தொடரி
Number Line                                        நம்பர் லைன்                                              எ ண் கோடு
Addition                                               அடிஷன்                                                  கூட்டல்
Subtraction                                         ஸப்ராக்ஷன்                                              கழித்தல்
Multiplication                                 மல்டிப்லிகெஷன்                                          பெருக்கல்
Product                                              பிராடக்ட்                                                பெருக்குத் தொகை
Division                                              டிவிஷன்                                                  வகுத்தல்
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