Page 6 - NUMINO Challenge_B2
P. 6
Creative Critical
Thinking Math
NUMINO Challenge
Problem solving Key Points Problem solving
1 Numbers that remain the same when their digits Palindromic dates in Now that you have a good grasp of the Basic
are reversed, such as 44, 121, and 8558, are January are 2-digit Concepts and Types, you will be working on
called palindromic numbers. If dates are or 3-digit numbers. different problems on your own. Key Points
expressed in the following way, how many dates are provided to help you find the solution.
in January and December can be expressed as
palindromic numbers?
June 5th 65 June 23rd 623
Creative Thinking Creative Thinking
1 You can make dif ferent 5-digit numbers using the five number card This is where you need to use your creativity
below. Find the dif ference between the 2nd greatest number and the 3 in order to deal with a new set of problems.
smallest number. Think creatively in order to reach a logical
70396 solution to each problem.
2 Numbers that remain the same when their digits are reversed, such a
404 and 2112, are called palindromic numbers. But a non-palindrom
number can easily be changed into a palindromic number. Just revers
the number and add it to the original number, as shown below.
Numbers that become palindromic af ter step 1, such as 241, are calle
Thinking Math
NUMINO Challenge
Problem solving Key Points Problem solving
1 Numbers that remain the same when their digits Palindromic dates in Now that you have a good grasp of the Basic
are reversed, such as 44, 121, and 8558, are January are 2-digit Concepts and Types, you will be working on
called palindromic numbers. If dates are or 3-digit numbers. different problems on your own. Key Points
expressed in the following way, how many dates are provided to help you find the solution.
in January and December can be expressed as
palindromic numbers?
June 5th 65 June 23rd 623
Creative Thinking Creative Thinking
1 You can make dif ferent 5-digit numbers using the five number card This is where you need to use your creativity
below. Find the dif ference between the 2nd greatest number and the 3 in order to deal with a new set of problems.
smallest number. Think creatively in order to reach a logical
70396 solution to each problem.
2 Numbers that remain the same when their digits are reversed, such a
404 and 2112, are called palindromic numbers. But a non-palindrom
number can easily be changed into a palindromic number. Just revers
the number and add it to the original number, as shown below.
Numbers that become palindromic af ter step 1, such as 241, are calle
