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hello grade 6 students how are you i hope you're doing fine today you will continue with me with teacher ahmad abdullah the lesson about side numbers let's go our objective today first objective is to read signed numbers on abscess access second objective is to locate signed numbers on abscissa access let's recall some information as we said in the previous video positive side numbers are preceded by plus sign and negative are preceded by minus sign for example -5 is negative why because it is preceded by minus sign and plus the 2 plus 11 is positive why because it's preceded by plus sign let's do an activity among the following side numbers let's fill the yellow circle with positive side numbers while the pink we have to fill it with negative signed numbers notes here plus 12 is preceded by plus so the 12 is preceded by plus so it must be in the yellow circle minus 28 is preceded by negative sign so it must be in the pink circle minus 19 is negative plus 82 positive minus 62 is negative plus 75 positive minus 11 is negative and plus 14 is positive finally the zero is zero positive or negative zero is positive and negative at the same time notice the this line is called axis of abscess or numbered line zero is in the middle the blue side numbers are positive and the red side numbers are negative now look at point a on axis of abscess can you guess what side number point a represent for sure a represents the plus two signed number and we call it the abscess of a so the abscess of a is plus two let's do an exercise we have to read the side numbers or the abscesses that the following points represent here points d c f b and e are located on this numbered line so we have to find the abscesses of the abscess of each point i will give you some time let's do it together point b is located on a plus five so the absence of b as plus five point c is located on minus three so the absence of c is minus three and the same d minus eight e plus eight f or is on zero so the abscess of f is zero as we said before opposite side numbers are same numbers with opposite sign so let's find here two opposite numbers here plus five e minus three and here minus eight plus eight and zero i will give you some time yes as you notice here same numbers 8 8 but different signs yes and notice that the distance from the point the zero to d is equal from zero to e why because they are opposite side numbers focus on this axis of abscesses given that m equal plus seven and minus nine p minus four two points are false represented on this axis can you find them i will give you some time let's find them together let's start by m m must be on a plus seven the absence of m is a plus seven so we must find plus seven is it on plus seven no it is on plus four so m is wrong we must put it here on plus seven yes what about n it must be located on minus nine yes n is located on minus nine it's a true let's move to p p is on minus four is it on minus four no it is on minus five so it must be here or minus four let's do a simple exercise we have to locate on the on the abscess axis or axis of abscesses the following points point r plus eight point s minus two point t minus seven and v plus two r is under plus eight so we put it on plus eight v is on plus two s is on minus two and v finally is on minus a t sorry on minus 7. notice that the distance from 0 to point v is equal the distance from zero to point s this means that they are opposite minus two and plus two are opposite signed numbers because they are same number but different signs do these exercises as a homework exercise 2 and exercise 3 page 112 on your book we have studied today to read sign numbers on apps access to locate site numbers on abscess access i hope you enjoyed the video and understood the lesson for any further information you can ask your teachers thank you and bye bye