Page 133 - NUMINO Challenge_D2

Type 15 -1 Finding the First Number

If you multiply two digits of a number by using the method shown in
the example, the final result will be a 1-digit number. Find all the
2-digit numbers that have the final result of 4 after going through the
three steps of the method shown below.

Example

68 6 8 48 4 8 32 3 2 6
1st step 2nd step 3rd step

1 Write all the 2-digit numbers that have the final result of 4 when the two
digits are multiplied.

2 The following shows the process of getting the final result of 4 after going
through the 1st, 2nd, and 3rd steps. Write the correct numbers in the .

1st step 2nd step 3rd step
39 27

14 1 4

69

4

3 Write all the 2-digit numbers that have the final result of 4 after going
through the three steps.

130 NUMINO Challenge D2