3,913
edits
Changes
From Karnataka Open Educational Resources
Series of Activities on Number Systems (view source)
Revision as of 16:06, 28 January 2013
, 16:06, 28 January 2013→Objectives
# Perform manipulations with negative numbers and express symbolically situations involving negative numbers<br>
# Perform manipulations with negative numbers and express symbolically situations involving negative numbers<br>
=== Lesson 1 : The idea of negative numbers and operations on negative numbers ===<br>
'''Objectives of the activity'''
'''Objectives of the activity'''
#Develop an idea that negative numbers are part of a type of numbers<br>
#Develop an idea that negative numbers are part of a type of numbers<br>
'''''When I add (-7). I get 8. For me to get 9, I have to add a number greater than (-7) and I have added (-6). Similarly (-5) is greater than (-6). So the larger negative number is actually smaller''.'''<br>
'''''When I add (-7). I get 8. For me to get 9, I have to add a number greater than (-7) and I have added (-6). Similarly (-5) is greater than (-6). So the larger negative number is actually smaller''.'''<br>
6. Now we transition from numbers representing some quantities to numbers being manipulated as numbers.
6. Now we transition from numbers representing some quantities to numbers being manipulated as numbers.<br>
Part 2
'''Part 2'''
1. We have seen what negative numbers are. We will see how to work with them.
1. We have seen what negative numbers are. We will see how to work with them.
2. We have seen that negative numbers are such that when we add them the quantity decreases. What happens when we subtract them?in
2. We have seen that negative numbers are such that when we add them the quantity decreases. What happens when we subtract them?in
