Page 146 - NUMINO Challenge_K2
P. 146
p.52 Make a Table Problem solving p.53
Type Study Find the two numbers from 1 to 8 that have a sum of 9 and 1 Find the two numbers from 1 to 10 that have a sum of 10
difference of 1. Complete the table to solve the problem. 6, 4
and difference of 2.
Two 8 76 5 Two 9 8 7 6 5
Numbers 1
234 Numbers 1 2 3 4 5
Sum 9 9 9 9 Sum 10 10 10 10 10
5 3 1Difference 7 6 4 2 0Difference 8
5, 4 Tip
8 and 2 have a sum of
10 and difference of 6.
Make a Table to Solve Problems 2 The sum of Mary’s and her brother’s age is 11, and the
Making a table is a strategy to organize the information and the relationship of the information presented in a difference is 3. How old is Mary? How old is her brother?
problem. A table can be used for such problems as below.
Mary 10 9 8 7 6
Problems solved by finding the possibilities in a specific order.
How many ways can two numbers from 0 to 9 have a sum of 8? 2Brother1 3 45
01234 Sum 11 11 11 11 11
87654
7 5 3 1Difference 9
Problems solved by using patterns.
How many dots will there be in the 6th figure?
1 2st nd 3rd 4th Mary – 7 years old
Brother – 4 years old
123456 Tip
4 6 8 10 12 14 Complete the table by
decreasing Mary's
22222 age by 1 in each
column.
52 NUMINO Challenge K2
53Problem Solving
When using a table, students can investigate every single possibility to find the one that
matches the given conditions. The number of rows and columns are set depending on the
content of the problem. The numbers that belong on the top row must decrease or
increase in set increments.
p.54 O-X Table Problem solving p.55
Type Study Sue, Mike, and Gina have 3 different last names that are 1 Read the following to find the owner of each sock.
either Jackson, Yang, or Gordon. Find each of their last
names by completing the table with O, X. Amanda is wearing white socks.
Kelly is not wearing blue socks
Sue’s last name is not Jackson. Paul is not wearing green socks.
Mike’s last name is not Gordon.
Gina’s last name is Yang. Color
Name
Green Blue White Kelly
Amanda Paul
Last Amanda
Name Jackson Yang Gordon
Name Kelly
Sue Paul
Mike
Gina Sue Mike Gina
Sue Gordon 2 Mary, Mike, and Sue like different foods. Find whose favorite
Mike Jackson
Gina Yang food is ramen, sushi, or hamburger.
I don’t like I don’t like
ramen. ramen
and sushi. Ramen Sushi Hamburger
55Problem Solving
Color
Name
Mary
Mike
Logical Reasoning Sue
Logical reasoning is the use of prior knowledge to reach conclusions. In preschool and elementary school, Mary – Sushi
reasoning and logic are not fully developed so it would be hard to solve problems based on those skills.
In order to develop logical reasoning ability, students must be guided to think about why they got the result they Mike – Hamburger
did and they must be able to explain their thinking.
Sue - Ramen
54 NUMINO Challenge K2
WIt hisenalcsomapagroinogd 3ledairffneinregntmoebtjheocdts,tomedaosuarecoemacphaoribnjgecatcwtiivthitya afoftuerrthchoabnjegcitngthantucmabnearcst,
acsonadsittiaonndsa, rodr,parnodblceomunstetthinegnsuomnbaerporof belaecmh tohbajtectantobceosmoplvaerde ibnydilroegcictlay.l reasoning.
17Answer Key
Type Study Find the two numbers from 1 to 8 that have a sum of 9 and 1 Find the two numbers from 1 to 10 that have a sum of 10
difference of 1. Complete the table to solve the problem. 6, 4
and difference of 2.
Two 8 76 5 Two 9 8 7 6 5
Numbers 1
234 Numbers 1 2 3 4 5
Sum 9 9 9 9 Sum 10 10 10 10 10
5 3 1Difference 7 6 4 2 0Difference 8
5, 4 Tip
8 and 2 have a sum of
10 and difference of 6.
Make a Table to Solve Problems 2 The sum of Mary’s and her brother’s age is 11, and the
Making a table is a strategy to organize the information and the relationship of the information presented in a difference is 3. How old is Mary? How old is her brother?
problem. A table can be used for such problems as below.
Mary 10 9 8 7 6
Problems solved by finding the possibilities in a specific order.
How many ways can two numbers from 0 to 9 have a sum of 8? 2Brother1 3 45
01234 Sum 11 11 11 11 11
87654
7 5 3 1Difference 9
Problems solved by using patterns.
How many dots will there be in the 6th figure?
1 2st nd 3rd 4th Mary – 7 years old
Brother – 4 years old
123456 Tip
4 6 8 10 12 14 Complete the table by
decreasing Mary's
22222 age by 1 in each
column.
52 NUMINO Challenge K2
53Problem Solving
When using a table, students can investigate every single possibility to find the one that
matches the given conditions. The number of rows and columns are set depending on the
content of the problem. The numbers that belong on the top row must decrease or
increase in set increments.
p.54 O-X Table Problem solving p.55
Type Study Sue, Mike, and Gina have 3 different last names that are 1 Read the following to find the owner of each sock.
either Jackson, Yang, or Gordon. Find each of their last
names by completing the table with O, X. Amanda is wearing white socks.
Kelly is not wearing blue socks
Sue’s last name is not Jackson. Paul is not wearing green socks.
Mike’s last name is not Gordon.
Gina’s last name is Yang. Color
Name
Green Blue White Kelly
Amanda Paul
Last Amanda
Name Jackson Yang Gordon
Name Kelly
Sue Paul
Mike
Gina Sue Mike Gina
Sue Gordon 2 Mary, Mike, and Sue like different foods. Find whose favorite
Mike Jackson
Gina Yang food is ramen, sushi, or hamburger.
I don’t like I don’t like
ramen. ramen
and sushi. Ramen Sushi Hamburger
55Problem Solving
Color
Name
Mary
Mike
Logical Reasoning Sue
Logical reasoning is the use of prior knowledge to reach conclusions. In preschool and elementary school, Mary – Sushi
reasoning and logic are not fully developed so it would be hard to solve problems based on those skills.
In order to develop logical reasoning ability, students must be guided to think about why they got the result they Mike – Hamburger
did and they must be able to explain their thinking.
Sue - Ramen
54 NUMINO Challenge K2
WIt hisenalcsomapagroinogd 3ledairffneinregntmoebtjheocdts,tomedaosuarecoemacphaoribnjgecatcwtiivthitya afoftuerrthchoabnjegcitngthantucmabnearcst,
acsonadsittiaonndsa, rodr,parnodblceomunstetthinegnsuomnbaerporof belaecmh tohbajtectantobceosmoplvaerde ibnydilroegcictlay.l reasoning.
17Answer Key
