Page 178 - NUMINO Challenge_M1

Solve from to in order.

Down The tens digit and ones digit have a sum of 9: The tens digit is 3, so
the ones digit is 9-3=6.

Across The ones digit is 3 greater than the tens digit: The tens digit is 4, so
the ones digit is 4+3=7.

Down Any number multiplied by the ones digit is 0: Any number multiplied
by 0 is 0, so the ones digit is 0.

Across The tens digit is 3 times the ones digit: The tens digit is 6 so the
ones digit is ^3=6, =2.

Down The ones digit is half of the tens digit: The tens digit is 2, so the
ones digit is 1.

Across A 2-digit even number less than 20: The greatest even number less
than 20 is 18.

Down The tens digit is 1 less than the ones digit: The tens digit is 8, so the
ones digit is 8+1=9.

Across The greatest 2-digit number: The greatest 2-digit number is 99.

3 47

62 0

18

99

Read the number cards in the direction of the arrows.

Draw the placement of the numbers when the numbers rotate clockwise
once, and then twice.

0 3
31 10
12 21
23 02

0 3

In the third rotation, the numbers 12, 21, 130, and 230 can be made, and
in the fourth rotation 123, 213, 301, and 302 are made.

41Answer Key