What are the constraints on Carl's secret number?

Martha and Carl's Secret Number Clues

Interactive Video
•
Mathematics
•
3rd - 4th Grade
•
Hard

Thomas White
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is greater than 40, less than 50, and red.
It is exactly 50 and yellow.
It is greater than 50 and green.
It is less than 40 and blue.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step you could take to solve Carl's secret number problem?
Guess a random number.
List all numbers greater than 40 and less than 50.
List all numbers that are blue.
Ignore the color clue.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What strategy did Martha use to solve the problem?
She guessed the number.
She asked Carl directly.
She made a list of numbers and used clues.
She used a calculator.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are the numbers 50 and 57 not on Martha's list?
50 is not greater than 40.
57 is less than 50.
Both are red.
50 is equal to 50, and 57 is greater than 50.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which number fits both the clues of being greater than 40, less than 50, and red?
50
45
41
46
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is 41 not Carl's secret number?
It is red.
It is yellow.
It is blue.
It is green.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is 45 not Carl's secret number?
It is green.
It is yellow.
It is blue.
It is red.
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