Math Riddles (12/21/23)

Using only addition, add eight 8s to get the number 1,000.

Write the equation

Mathematical Equivalence

ON

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

In reply to an inquiry about the animals on his farm, the farmer says: “I only ever keep sheep, goats and horses. In fact, at the moment they are all sheep but three, all goats but four and all horses but five.” How many goats does he have?

Mathematical Equivalence

ON

One brother says of his younger brother: “Two years ago, I was three times as old as my brother was. In three years time, I will be twice as old as my brother.” How old is the OLDER BROTHER now?

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8C

I add six to eleven, and get five. When is this statement correct?

(a)  

Tags

CCSS.1.OA.A.1

Old Granny Adams left half her money to her granddaughter and half that amount to her grandson. She left a sixth to her brother, and the remainder, $1,000, to the dogs’ home. How much did she leave altogether?

(a)  

Tags

CCSS.7.NS.A.3

What single digit appears most frequently between and including the numbers 1 and 1,000?

(a)  

If a hen and a half lay an egg and a half in a day and a half, how many eggs will half a dozen hens lay in half a dozen days?

(a)  

Tags

CCSS.8.EE.C.7B

My twin lives at the reverse of my house number. The difference between our house numbers ends in two. What are the lowest possible numbers of our house numbers?

State the two house numbers separated with a comma

(a)  

Tags

CCSS.3.OA.D.9

A small number of cards has been lost from a complete pack of 52. If I deal among four people, three cards remain. If I deal among three people, two remain and if I deal among five people, two cards remain. How many cards are there?

(a)  

You know 2 + 2 comes to the same as 2 x 2. Now find a set of three different whole numbers whose sum is equal to their total when multiplied.

State the numbers in order separated by commas (#,#,#)

(a)  

Tags

CCSS.5.OA.B.3