Number Riddles

Among those numbers whose literal representation in capital letters consist only of straight line segments (for example, FIVE), only one number has a value equal to the number of segments used to write it. What is the number?

• 10

• 29

• 50

• 11

Tags

CCSS.2.MD.B.6

If you divide thirty by half, and add ten, what do you get?

• 70

• 25

• 10

• 0

Tags

CCSS.7.NS.A.3

A word I know,

Six letters it contains.

Subtract just one, and twelve is what remains.

What is the word? (a)  

Tags

CCSS.L.8.5A

Double my number, I'm less than a score, Half of my number is less than four. Add one to my double when bakers are near, Days of the week are still greater, I fear.

(a)  

Tags

CCSS.7.EE.B.3

How many times can you subtract the number 5 from 25?

• 1

• 5

• 3

• 10

Tags

CCSS.3.OA.A.3

What two whole, positive numbers have a one-digit answer when multiplied and a two-digit answer when added?

• 1

• 9

• 3

• 7

What two whole, positive numbers have the same answer when multiplied together as when added together?

• 2

• 3

• 1

• 7

• 2

Tags

CCSS.3.OA.B.5

What three whole, positive numbers have the same answer when multiplied together as when added together?

• 1

• 2

• 3

• 4

• 5

Tags

CCSS.3.OA.D.9

What two-digit number equals two times the result of multiplying its digits?

(a)  

Tags

CCSS.4.OA.B.4

What two-digit numbers are each equal to their right-most digit squared? (Only type one of them)

(a)  

Tags

CCSS.4.NBT.A.1