Page 82 - NUMINO Challenge_M1

EExxeerrcciissee There are four 3-digit numbers with unknown ones place. Which
is the third greatest number?

12 14 25 20

EExxpplloorree When there are multiple expressions that compare numbers, find
all the numbers that satisfy each expression.

A number that is greater than 20, and less than 30 20 30

Numbers that are greater than 20 are 21, 22, 23, 24, 25, 26, 27, .

18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Numbers that are less than 30 are 29, 28, 27, 26, 25, 24, 23, .

18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Numbers that are greater than 20 and less than 30 are 21, 22, 23, 24,
25, 26, 27, 28, and 29.

18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

EExxeerrcciissee How many numbers can satisfy ?
10 5

Numbers 79