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@littleredmath.bsky.socialOct 10, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Benjamin 2010 Problem 4

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2010-benjamin-04

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

A staircase has 21 steps. Nick and Mike count the steps, one from bottom to top and the other from top to bottom. They meet at one step, which Nick counts as the 10th. Which number does Mike give this same step?
@littleredmath.bsky.socialOct 9, 2026, 3:00 AM

🧠 Today's puzzle — AJHSME 1987 Problem 20

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/ajhsme-1987-20

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

"If a whole number n is not prime, then the whole number n − 2 is not prime." A value of n which shows this statement to be false is
@littleredmath.bsky.socialOct 8, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Ecolier 2010 Problem 4

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2010-ecolier-04

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

In a cafe the soup costs €4, the main course €9 and the dessert €5. The three courses ordered together cost €15. How many euros cheaper is this than ordering the same three courses separately?
@littleredmath.bsky.socialOct 7, 2026, 3:00 AM

🧠 Today's puzzle — AJHSME 1988 Problem 13

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/ajhsme-1988-13

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

If rose bushes are spaced about 1 foot apart, approximately how many bushes are needed to surround a circular patio whose radius is 12 feet?
@littleredmath.bsky.socialOct 6, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Junior 2013 Problem 29

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2013-junior-29

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

100 trees (oaks and birches) are standing in a row. The number of trees between any two oaks is never equal to 5. What is the maximum number of the 100 trees that can be oaks?
@littleredmath.bsky.socialOct 5, 2026, 3:00 AM

🧠 Today's puzzle — AJHSME 1993 Problem 15

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/ajhsme-1993-15

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

The arithmetic mean (average) of four numbers is 85. If the largest of these numbers is 97, then the mean of the remaining three numbers is
@littleredmath.bsky.socialOct 4, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Kadett 2010 Problem 28

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2010-kadett-28

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

A kangaroo who is interested in geometry has a collection of 1×1×1 dice. Each die has a certain colour. It wants to make a 3×3×3 cube out of the dice so that any small dice that touch — even just at a single corner — always have different colours. What is the smallest number of colours it needs?
@littleredmath.bsky.socialOct 3, 2026, 3:00 AM

🧠 Today's puzzle — AJHSME 1991 Problem 17

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/ajhsme-1991-17

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

An auditorium with 20 rows of seats has 10 seats in the first row. Each successive row has one more seat than the previous row. If students taking an exam are permitted to sit in any row, but not next to another student in that row, then the maximum number of students that can be seated for an exam is
@littleredmath.bsky.socialOct 2, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Benjamin 2016 Problem 20

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2016-benjamin-20

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

Luigi owns a few square tables and some chairs for his little restaurant. If he sets out his tables individually with 4 chairs each, he is 6 chairs short. If he always puts two tables together to make a bigger table with 6 chairs, he has 4 chairs left over. How many tables does Luigi have?
@littleredmath.bsky.socialOct 1, 2026, 3:00 AM

🧠 Today's puzzle — AMC 8 2007 Problem 3

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/amc8-2007-03

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

What is the sum of the two smallest prime factors of 250?
@littleredmath.bsky.socialSep 30, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Felix 2019 Problem 13

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2019-felix-13

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

Together the three squirrels Anni, Asia and Elli have 10 nuts. Each one has a different number of nuts, but at least 2 nuts. Anni has the least number of nuts. Asia has the most nuts. How many nuts does Elli have?
@littleredmath.bsky.socialSep 29, 2026, 3:00 AM

🧠 Today's puzzle — AMC 8 2010 Problem 7

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/amc8-2010-07

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

Using only pennies, nickels, dimes, and quarters, what is the smallest number of coins Freddie would need so he could pay any amount of money less than a dollar?
@littleredmath.bsky.socialSep 28, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Kadett 2009 Problem 7

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2009-kadett-07

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

In a park there are some cats and dogs. The number of cats’ feet is double the number of dogs’ noses. The number of cats is … ? … the number of dogs.
@littleredmath.bsky.socialSep 27, 2026, 3:00 AM

🧠 Today's puzzle — AMC 8 2019 Problem 18

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/amc8-2019-18

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

The faces of each of two fair dice are numbered 1, 2, 3, 5, 7, and 8. When the two dice are tossed, what is the probability that their sum will be an even number?
@littleredmath.bsky.socialSep 26, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Ecolier 2012 Problem 8

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2012-ecolier-08

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

On the 24th of February 2012 Grandfather's chicks hatched. There are 29 days in February in 2012. How old are the chicks today, on the 15th of March 2012?
@littleredmath.bsky.socialSep 25, 2026, 3:00 AM

🧠 Today's puzzle — AMC 8 2008 Problem 17

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/amc8-2008-17

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

Ms. Osborne asks each student in her class to draw a rectangle with integer side lengths and a perimeter of 50 units. All of her students calculate the area of the rectangle they draw. What is the difference between the largest and smallest possible areas of the rectangles?