12:27How classic geometry help out calculations in an analy geometry problem - AMC10 2021B P9 AMC12 P5ThinkDeepMath18 views·4 years ago
7:26How a simple diagram can help understand the mathematical game - AMC10 2021B P8ThinkDeepMath17 views·4 years ago
5:44In how many ways can 4 circles be tangent to a line at one common point - AMC10 2021B P7ThinkDeepMath9 views·4 years ago
4:25How prime factorization helps to solve a number theory equation - AMC10 2021B P5ThinkDeepMath17 views·4 years ago
3:58A simple diagram can help a word problem efficiently AMC10 2021B P4 AMC12 P2ThinkDeepMath5 views·4 years ago
8:22How to use a simple diagram to help setup an equation for a verbose word problem - AMC10 2021B P3ThinkDeepMath4 views·4 years ago
4:57A common mistake when dealing with radicals and squares - AMC10 2021B P2ThinkDeepMath9 views·4 years ago
8:56Inequality with absolute values Resolutions matter-Left a hard homework - AMC10 2021B P1AMC12 P1ThinkDeepMath11 views·4 years ago
28:56How to apply the extreme scenarios and casework in a counting problem - AMC10 2021A P25ThinkDeepMath112 views·4 years ago
7:49Analytical equations to represent a rectangle and its area calculation - AMC10 2021A P24ThinkDeepMath5 views·4 years ago
16:07How to do the casework with the probability in a math game - AMC10 2021A P23ThinkDeepMath24 views·4 years ago
21:58How to use bounding and number theory techniques to solve an unusual avg problem - AMC10 2021A P22ThinkDeepMath40 views·4 years ago
10:34Relationships between equiangular hexagons and equilateral triangles - AMC10 2021A P21ThinkDeepMath33 views·4 years ago
13:35How to find out the actual shape of a circle equation with absolute values - AMC10 2021A P19ThinkDeepMath14 views·4 years ago
14:04Isosceles tri properties and similar tri to bridge up the knowns and unknowns - AMC10 2021A P17ThinkDeepMath7 views·4 years ago
17:02Inequality shrinkage technique to find the median of a special sequence - AMC10 2021A P16ThinkDeepMath27 views·4 years ago
10:42When two parabolas with random coefficients intersect - AMC10 2021A P15ThinkDeepMath17 views·4 years ago
8:11How to apply Vieta Formula and Number Theory to find polynomial coefficients - AMC10 2021A P14ThinkDeepMath62 views·4 years ago
19:09How to rapidly approximate the rise of liquid surface in a conical container - AMC10 2021A P12ThinkDeepMath31 views·4 years ago
6:30How to handle divisibility under different bases of a number - AMC10 2021A P11ThinkDeepMath76 views·4 years ago
20:59Different angles lead to different approaches - when you don't want to solve equations directlyThinkDeepMath3 views·4 years ago
6:30Speed acceleration to arith. sequence and sneak ways to save calc. time in exams - AMC10 2021A P4ThinkDeepMath15 views·4 years ago
2:44How to apply difference of squares formula to simplify long expressions - AMC10 2021A P10 AMC12 P9ThinkDeepMath20 views·4 years ago
7:13Brutal force vs bar model in a combinatorics problem - AMC8 2019 P25ThinkDeepMath9 views·4 years ago
21:35Bridge up the known and the unknown after some failures with a geometry problem - AMC8 2019 P24ThinkDeepMath13 views·4 years ago
3:11How will the price change after an increase and a decrease by the same percent - AMC8 2019 P22ThinkDeepMath8 views·5 years ago
