mathcounts notes

The best math program for middle school students

Showing posts with label counting. Show all posts

Showing posts with label counting. Show all posts

Friday, May 5, 2023

Pathfinder

From Mathcounts Mini : Counting/Paths Along a Grid From Art of Problem Solving Counting Paths on a Grid Math Principles : Paths o...

Wednesday, November 12, 2014

Unit digit, Tenth digit and Digit Sum

Word problems on unit digit, tenth digit or digit sum. #1: How many digits are there in the positive integers 1 to 99 inclusive? Sol...

Wednesday, August 20, 2014

Notes to Sunday Nights' Problem Solving Group Lessons

This week's work : Please review the last 8 hardest AMC-8 problems from 2005 to 2011 + finish the last 8 hardest AMC-8 problems from 201...

Friday, November 1, 2013

Counting I : Ways to Avoid Over Counting or Under Counting

Check out Mathcounts here, the best competition math program for middle school students. Download this year's Mathcounts handbook her...

Monday, February 4, 2013

Counting II : Practice Counting Systematically

Counting Coins Lots of similar questions appear on Mathcounts tests. Be careful when there are limits, for example, the sum of the coins d...

Monday, December 24, 2012

2013 Mathcounts State Prep: Counting and Probability

Question #1: Rolling two dice, what is the probability that the product is a multiple of 3? Solution I : As long as one of the two numbers...

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someone opposite of Pierre: Conducts online group lessons. Mentors inquisitive students across the states, guides and learns with them. Finds the best materials at the lowest costs to help students get a top-notch education. Main focus : Problem solving, critical thinking, SAT harder/hardest problems prep, independent projects, academic consultant (Find the better fit.) My best state/national level students push themselves, not the other way around.

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