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Creative Critical
Thinking Math
NUMINO Challenge
Creative Thinking 3 Use four out of five number cards given below to make the greatest
product of (3-digit number) (1-digit number).
1 Use the number cards 1 , 2 , 3 , and 0 without repetition, to make 59078
dif ferent 3-digit numbers. Write the numbers in order from greatest to Key Point
smallest. What is the dif ference between the two numbers in the First, choose the four
colored blanks? greatest number cards.
Then use the greatest
Key Point number card as the 1-digit
Find the difference number.
between the third greatest
number and the second 4 In the following addition alphametics, each shape represents a
greatest number. dif ferent digit. Find the digits that and represent.
2 Find all the 3-digit numbers that meet the following conditions. 4
Conditions Key Point
No digit in the number is repeated. All digits are 0000
smaller than 5. 5 5 5 15
The digit in the tens place is an even number. 25Number and Operations
The number is divisible by 5.
Key Point
The ones digit of the
number that is divisible by
5 can either be 5 or 0.
24 NUMINO Challenge A1
Creative Thinking
In this section, you will be wrapping up the 4 topics you ve learned in a theme by solving different
problems. Boost up your creativity and logical thinking!
Challenge Yourself 03 In the following multiplication problem, fill in the blanks with digits
from 0 to 3 without repetition. Find the second greatest product.
01 A 4-digit number strip is cut into three parts and rearranged to make
another number. Find the second greatest number using the method 04 Each shape represents a dif ferent digit. Find the 3-digit number that
shown in the box below. represents.
20 46 4
2046 20 4 6 4 20 6 42
Cut the number Change the Put the digits
strip into three order. together.
parts.
02 Arrange the following number cards such that the dif ference between
every two adjacent number cards is greater than 1. Fill in the blanks
such that the greater number cards are placed at the beginning.
123456
26 NUMINO Challenge A1 27Number and Operations
Challenge Yourself
It s time to check your creativity with math! As you finish a theme, challenge yourself to competition
prep test problems. Don t lose your heart just because it is a competition test. If you ve followed the
process appropriately, you can solve the problems without an effort.
Thinking Math
NUMINO Challenge
Creative Thinking 3 Use four out of five number cards given below to make the greatest
product of (3-digit number) (1-digit number).
1 Use the number cards 1 , 2 , 3 , and 0 without repetition, to make 59078
dif ferent 3-digit numbers. Write the numbers in order from greatest to Key Point
smallest. What is the dif ference between the two numbers in the First, choose the four
colored blanks? greatest number cards.
Then use the greatest
Key Point number card as the 1-digit
Find the difference number.
between the third greatest
number and the second 4 In the following addition alphametics, each shape represents a
greatest number. dif ferent digit. Find the digits that and represent.
2 Find all the 3-digit numbers that meet the following conditions. 4
Conditions Key Point
No digit in the number is repeated. All digits are 0000
smaller than 5. 5 5 5 15
The digit in the tens place is an even number. 25Number and Operations
The number is divisible by 5.
Key Point
The ones digit of the
number that is divisible by
5 can either be 5 or 0.
24 NUMINO Challenge A1
Creative Thinking
In this section, you will be wrapping up the 4 topics you ve learned in a theme by solving different
problems. Boost up your creativity and logical thinking!
Challenge Yourself 03 In the following multiplication problem, fill in the blanks with digits
from 0 to 3 without repetition. Find the second greatest product.
01 A 4-digit number strip is cut into three parts and rearranged to make
another number. Find the second greatest number using the method 04 Each shape represents a dif ferent digit. Find the 3-digit number that
shown in the box below. represents.
20 46 4
2046 20 4 6 4 20 6 42
Cut the number Change the Put the digits
strip into three order. together.
parts.
02 Arrange the following number cards such that the dif ference between
every two adjacent number cards is greater than 1. Fill in the blanks
such that the greater number cards are placed at the beginning.
123456
26 NUMINO Challenge A1 27Number and Operations
Challenge Yourself
It s time to check your creativity with math! As you finish a theme, challenge yourself to competition
prep test problems. Don t lose your heart just because it is a competition test. If you ve followed the
process appropriately, you can solve the problems without an effort.
