Page 49 - NUMINO Challenge_M2
P. 49
2. Drawing Tables
Draw a Table
Drawing a table will clearly list all the possibilities of the given conditions.
When drawing a table, the content determines the number of rows and
columns. The numbers on the top row increase or decrease by set intervals.
Age-related Problems
Everyone gets one year older when each year passes. The following table
shows me and my mother's age from 2009, 1 year after, 2 years after, 3
years after, etc.
Year 2009 2010 2011 2012 2013
My age 9 10 11 12 13
Mother’s age 38 39 40 41 42
EExxpplloorree Draw a table to find A and B when the sum of A and B is 15
and difference is 9.
A 15 14 13 12 11 10
B 012345
Difference 15 13 11 9 7 5
Numbers with a sum of 15 and a difference of 9 are 12 and 3.
Kathy and Justin have a total of 8 loaves of bread and Kathy
has 3 times the number that Justin has.
Justin
Kathy
Sum 4 8 12
Justin has 2 loaves and Kathy has 6 loaves of bread.
46 NUMINO Challenge M2
Draw a Table
Drawing a table will clearly list all the possibilities of the given conditions.
When drawing a table, the content determines the number of rows and
columns. The numbers on the top row increase or decrease by set intervals.
Age-related Problems
Everyone gets one year older when each year passes. The following table
shows me and my mother's age from 2009, 1 year after, 2 years after, 3
years after, etc.
Year 2009 2010 2011 2012 2013
My age 9 10 11 12 13
Mother’s age 38 39 40 41 42
EExxpplloorree Draw a table to find A and B when the sum of A and B is 15
and difference is 9.
A 15 14 13 12 11 10
B 012345
Difference 15 13 11 9 7 5
Numbers with a sum of 15 and a difference of 9 are 12 and 3.
Kathy and Justin have a total of 8 loaves of bread and Kathy
has 3 times the number that Justin has.
Justin
Kathy
Sum 4 8 12
Justin has 2 loaves and Kathy has 6 loaves of bread.
46 NUMINO Challenge M2
