Worked answer library

Find a worked answer

Search by permanent problem number, title, math area, or pasted worksheet URL. No login is required.

Quick lookup

Problem number or title

Exact matches open immediately.

58 answers

All solutions

#0
The Zero Route
Grade 11 · Algebraic structure and equations
Worksheet Worked answer
#1
The Machine That Repeats Forever
Grade 6 · Functions and change
Worksheet Worked answer
#2
The Necklace Code
Grade 3 · Discrete mathematics and logic
Worksheet Worked answer
#3
Steve’s Big Dig
Grade 5 · Measurement and units · Number and quantity · Data, statistics, and probability
Worksheet Worked answer
#4
The Chest Room Split
Grade 3 · Operations and computation
Worksheet Worked answer
#5
Fence the Wheat Farm
Grade 3 · Measurement and units · Operations and computation
Worksheet Worked answer
#6
The Stained-Glass Window
Grade 3 · Number and quantity · Operations and computation
Worksheet Worked answer
#7
Race the Sunset
Grade 3 · Measurement and units
Worksheet Worked answer
#8
The Ore Cart Graph
Grade 3 · Data, statistics, and probability · Operations and computation
Worksheet Worked answer
#9
Nurse Joy’s Poké Ball Packs
Grade 2 · Number and quantity · Operations and computation
Worksheet Worked answer
#10
Rotom’s Pokédex Rectangle
Grade 2 · Number and quantity · Operations and computation
Worksheet Worked answer
#11
The Infinite Factorization Glitch
Grade 8 · Number and quantity
Worksheet Worked answer

Need a refresher?

Short MathJewels guides explain the big idea, show an example, name common mix-ups, and offer something small to try together.