Showing posts with label Mathcounts. Show all posts
Showing posts with label Mathcounts. Show all posts
Wednesday, July 16, 2025

Similar to 2023 Mathcounts chapter sprint #30, but harder (level 2)

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This question is similar to, but more difficult than the 2023 Mathcounts Chapter Sprint #30, which is as follows: Consid...
Sunday, June 29, 2025

2025/2026 Mathcounts, AMCs, AIMEs Competition Preparation Strategies

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Hi, Thanks for visiting my blog. E-mail me at thelinscorner@gmail.com if you want to learn with me.  :) :) :)  Currently I'm ru...
61 comments:
Sunday, May 18, 2025

The Grid Technique in Solving Harder Mathcounts Counting Problems : from Vinjai

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The following notes are from Vinjai, a student I met online. He graciously shares and offers the tips here on how to tackle those harde...
Wednesday, May 14, 2025

Similar Triangles: Team question : Beginning level

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9. In the figure below, quadrilateral CDEG is a square with CD = 3, and quadrilateral BEFH is a rectangle. If EB = 5, how many units is BH? ...
2 comments:
Monday, February 17, 2025

Harder Mathcounts State/AMC Questions: Intermediate level if you can solve in less than 2 mins.

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2012 Mathcounts State Sprint #30: In rectangle ABCD, shown here, point M is the midpoint of side BC, and point N lies on CD such that DN:NC ...
2 comments:
Tuesday, November 12, 2024

A Skill for the 21st Century: Problem Solving by Richard Rusczyk

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Does our approach to teaching math fail even the smartest kids ?  Quotes from that article  " According to research from the Universi...
3 comments:
Sunday, June 2, 2024

Mathcounts prep

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  Hi, Thanks for visiting my blog. E-mail me at  thelinscorner@gmail.com  if you want to learn with me.  :) :) :)  Currently I'm running...
Sunday, December 10, 2023

Sequences and Series -- Arithmetic and Geometric Sequences

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Sequences are fun to learn and not really that difficult.  There are many similarities between arithmetic and geometric sequences, so  lea...
Friday, May 5, 2023

Pathfinder

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From Mathcounts Mini : Counting/Paths Along a Grid From Art of Problem Solving Counting Paths on a Grid   Math Principles : Paths o...
Friday, March 3, 2023

Sum of All the Possible Arrangements of Some Numbers

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Check out Mathcounts , the best middle school competition math program up to the national level. Questions to ponder: (detailed solutions ...
Saturday, October 15, 2022

16 17 Mathcounts handbook more interesting questions that have nicer solutions

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Thanks to Achuth for trying out these questions and time them as an actual Mathcounts test.  :)  First week : warm up 1, 4, 7.  (time for 40...
Sunday, March 6, 2022

Mass Points Geometry

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Some of the harder/hardest questions at Mathcounts can be tackled at ease using mass point geometry so spend some time understanding it. ...
1 comment:
Monday, December 2, 2019

2020 Mathcounts State Prep: Simon's Favorite Factoring Trick

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Check out Mathcounts here, the best competition math program for middle school students. Download this year's Mathcounts handbook her...
1 comment:
Sunday, July 7, 2019

2012 Harder Mathcounts State Target Questions

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Check out Mathcounts here -- the best competition math program for middle schoolers up to the  state and national level.  # 6: A semic...
2 comments:
Monday, March 11, 2019

Hints/links or Solutions to 2014 Harder Mathcounts State Sprint and Target question

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Links, notes, Hints or/and solutions to 2014 Mathcounts state harder problems. 2014, 2015 Mathcounts state are harder  Sprint round: ...