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@littleredmath.bsky.social Sep 20, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Felix 2018 Problem 13

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2018-felix-13

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

Alice has 3 white, 2 black and 2 grey pieces of paper. First she cuts every piece of paper that is not black into two pieces. Then she cuts in half every piece of paper that is not white . How many pieces of paper does she have in the end?

@littleredmath.bsky.social Sep 19, 2026, 3:00 AM

🧠 Today's puzzle — AMC 8 2017 Problem 3

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/amc8-2017-03

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

What is the value of the expression √(16 · √(8 · √4)) ?

@littleredmath.bsky.social Sep 18, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Junior 2016 Problem 30

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2016-junior-30

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

Exactly 2016 people are taking part in a conference. They are registered as P1 to P2016 in the system. Each person from P1 to P2015 has shaken exactly the amount of other hands that his/her own system number indicates. How many people did P2016 shake hands with?

@littleredmath.bsky.social Sep 17, 2026, 3:00 AM

🧠 Today's puzzle — AMC 8 2010 Problem 4

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/amc8-2010-04

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

What is the sum of the mean, median, and mode of the numbers 2, 3, 0, 3, 1, 4, 0, 3?

@littleredmath.bsky.social Sep 16, 2026, 3:00 AM

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

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

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

How many four-digit numbers, made up of odd digits only, are divisible by 5?

@littleredmath.bsky.social Sep 15, 2026, 3:00 AM

🧠 Today's puzzle — AJHSME 1988 Problem 21

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/ajhsme-1988-21

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

A fifth number, n, is added to the set {3, 6, 9, 10} to make the mean of the set of five numbers equal to its median. The number of possible values of n is

@littleredmath.bsky.social Sep 14, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Junior 2017 Problem 6

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2017-junior-06

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

Some girls are standing in a circle. The teacher makes them do a headcount. Bianca says one, her neighbour says two and so on. If they count in a clockwise direction, Antonia says six. If they count in an anticlockwise direction, Antonia says nine. How many girls are forming the circle?

@littleredmath.bsky.social Sep 13, 2026, 3:00 AM

🧠 Today's puzzle — AJHSME 1998 Problem 5

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/ajhsme-1998-05

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

Which of the following numbers is largest?

@littleredmath.bsky.social Sep 12, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Junior 2018 Problem 16

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2018-junior-16

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

Peter wants to buy a book but has no money. His father and his two brothers help. His father gives him half as much as his two brothers give jointly. His older brother gives a third of what the other two give him. The youngest brother gives 10 €. How expensive is the book?

@littleredmath.bsky.social Sep 11, 2026, 3:00 AM

🧠 Today's puzzle — AMC 8 2004 Problem 9

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/amc8-2004-09

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

The average of the five numbers in a list is 54. The average of the first two numbers is 48. What is the average of the last three numbers?

@littleredmath.bsky.social Sep 10, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Kadett 2021 Problem 28

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2021-kadett-28

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

In a town there are 21 knights who always tell the truth and 2000 knaves who always lie. A wizard divided 2020 of these 2021 people into 1010 pairs. Every person in a pair described the other person as either a knight or a knave. As a result, 2000 people were called knights and 20 people were called knaves. How many pairs of two knaves were there?

@littleredmath.bsky.social Sep 9, 2026, 3:00 AM

🧠 Today's puzzle — AMC 8 2024 Problem 19

Hint, solution + answer at the link 👇
https://littleredmath.com/amc8/problems/amc8-2024-19

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath

$Jordan owns 15 pairs of sneakers. Three fifths of the pairs are red and the rest are white. Two thirds of the pairs are high-top and the rest are low-top. The red high-top sneakers make up a fraction of the collection. What is the least possible value of this fraction?$

@littleredmath.bsky.social Sep 8, 2026, 3:00 AM

🧠 Today's puzzle — Math Kangaroo Benjamin 2011 Problem 24

Hint, solution + answer at the link 👇
https://littleredmath.com/kangaroo/problems/kangaroo-2011-benjamin-24

#MathPuzzle #AMC8 #MathKangaroo #SingaporeMath