Problem of The Week - Competitive Kids STEM

LATEST PROBLEM OF THE WEEK

CKSTEM will share amazing math and computing problems on a regular interval for you to try. We hope you will enjoy these. Let us know if you have any interesting problems that you would like us to publish.

Problems & Quizzes by Topics

1

Arithmetic

Pyramid of negative numbers (difficulty level 3)
Establish A Mathematical Connection Between The Summer Contests (difficulty level 2)
Creative Math - Substitution Arithmetic (difficulty level 3)
Order of operations Quiz (difficulty level 2)
Basic Fractions and Decimals Quiz (difficulty level 2)
Addition Quiz (difficulty level 1)
Subtraction Quiz (difficulty level 1)
Multiplication Quiz (difficulty level 1)
Division Quiz (difficulty level 1)

2

Algebra

A delicate relationship - percents, fractions, & decimals (difficulty level 1)
Advanced Exponent Comparison Strategies Quiz (difficulty level 3)
Quadratic Equation Quiz (difficulty level 3)

3

Geometry

Using Triangle Inequalities (difficulty level 3)
Missing Angles (difficulty level 1)

4

Logic

Why Can't We Make Exactly 7 Friends? (difficulty level 2)
Classic Legacy Puzzles (difficulty level 2)