Page 175 - NUMINO Challenge_L1
P. 175
Answer
Key
Challenge Yourself
Write the numbers that match each condition to find the number.
Dina: Guess my 2-digit number!
Sam: Is it smaller than 50?
Dina: Yes. 11, 12, 13, ..., 48, 49
Sam: Hmm. Is there a 7?
Dina: Yes. 17, 27, 37, 47
Sam: Is it closer to 20 or 40?
Dina: It is closer to 20. 17, 27
Sam: Is it greater than 20?
Dina: Nope! The number smaller than 20 is 17.
Sam: I know! The number you are thinking of is !
Dina: You're Right!
The following conditions list can be made while reading the dialogue to
help solve the problem.
It is a 2-digit number less than 50.
It has the digit 7.
It is closer to 20 than 40.
It is less than 20.
Dina’s number is 17.
46 NUMINO Challenge L1
Key
Challenge Yourself
Write the numbers that match each condition to find the number.
Dina: Guess my 2-digit number!
Sam: Is it smaller than 50?
Dina: Yes. 11, 12, 13, ..., 48, 49
Sam: Hmm. Is there a 7?
Dina: Yes. 17, 27, 37, 47
Sam: Is it closer to 20 or 40?
Dina: It is closer to 20. 17, 27
Sam: Is it greater than 20?
Dina: Nope! The number smaller than 20 is 17.
Sam: I know! The number you are thinking of is !
Dina: You're Right!
The following conditions list can be made while reading the dialogue to
help solve the problem.
It is a 2-digit number less than 50.
It has the digit 7.
It is closer to 20 than 40.
It is less than 20.
Dina’s number is 17.
46 NUMINO Challenge L1
