Status Title Difficulty
1. Counting Four Digit Integers Level 3
2. Square Root Difference Squared Level 2
3. House Painting Team Size Level 5
4. Curling Championship Handshakes Level 5
5. Smallest Positive Integer Inequality Level 2
6. Sum Rounding to Ten Level 2
7. Variable Equation Solution Level 1
8. Common Factors of 120 and 40 Level 4
9. Digit Sum to Seven Level 3
10. Sum of Exponents in 1296 Level 3
11. Algebraic Expression Simplification 1 Level 4
12. Jim and Martha's Path Difference Level 2
13. Smallest 3 Digit Multiple of 9 Level 2
14. Decimal Subtraction Calculation Level 2
15. Elephant and Lion Chase Time Level 5
16. Red Socks Percentage Level 1
17. Cubed Number Difference Level 1
18. Trapezoid Area Ratio Level 5
19. Order of Operations Challenge Level 1
20. Brass House Numbers Combination Level 5