Number Riddles

Front

What is a number riddle?

Back

A number riddle is a puzzle or question that involves numbers and requires logical thinking to solve.

Tags

CCSS.1.OA.A.1

Front

What does it mean for a number to be equal to the number of segments used to write it?

Back

It means that the value of the number matches the total count of straight line segments used to form its letters.

Tags

CCSS.1.NBT.A.1

Front

What is the significance of the word 'dozens' in riddles?

Back

The word 'dozens' has six letters, and when you subtract one letter, it leaves you with 'twelve'.

Tags

CCSS.L.8.5A

Front

What is a two-digit number?

Back

A two-digit number is any number from 10 to 99.

Tags

CCSS.1.NBT.A.1

Front

What does it mean for a number to be equal to its right-most digit squared?

Back

It means that if you take the last digit of the number and multiply it by itself, you will get the original number.

Tags

CCSS.4.NBT.A.1

Front

What is the relationship between a number and its digits in multiplication?

Back

The relationship can be expressed in riddles where the number equals a function of its digits, such as being twice the product of its digits.

Tags

CCSS.5.OA.B.3

Front

What is a score in terms of numbers?

Back

A score is equal to 20.

Front

How do you solve a riddle involving doubling a number?

Back

You set up an equation based on the clues given, often involving inequalities or equalities.

Tags

CCSS.7.EE.B.4A

Front

What is the process of solving a number riddle?

Back

Identify key information, set up equations, and use logical reasoning to find the answer.

Tags

CCSS.7.EE.B.4A

Front

What does 'half of my number is less than four' imply?

Back

It implies that the number must be less than 8, since half of it must be less than 4.

Tags

CCSS.6.EE.B.8