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What Makes a Good Mathematician?
More Christmas Boxes
What size square should you cut out of each corner of a 10 × 10 grid to make the box that would hold the greatest number of cubes?
Clever Santa
All the girls would like a puzzle each for Christmas and all the boys would like a book each. Solve the riddle to find out how many puzzles and books Santa left.
Two Trees
Can you find the distance between the two trees using the information given?
Direct Logic
Can you work through these direct proofs, using our interactive proof sorters?
Bottles (2)
In this activity focusing on capacity, you will need a collection of different jars and bottles.
2-Digit Square
A 2-digit number is squared. When this 2-digit number is reversed and squared, the difference between the squares is also a square. What is the 2-digit number?