Current Problems of the Week

Primary

Number Fun - January 19

numbers Use clues to help Dominic solve a number riddle.

Algebra

Sierpinski Stages - January 12

stage 1Find and use patterns to determine the perimeter of an interesting shape.

Latest Solution: To B or Not To B
Preview: Battle of the Bands

Math Fundamentals

Penny Dates - January 12

pennies Discover which date can change a collection's mean date by one year.

Latest Solution: How Old is Santa Claus?
Preview: Filling Beauty's Seats

Geometry

So Many Similar Triangles! - January 19

rods of random length

Make pairs of similar triangles using the given supplies.

Latest Solution: How Deep Is It?

Pre-Algebra

Duke is Missing - January 19

dog How long is Duke?

Latest Solution: A Happy New Year Wish

Trig & Calculus

Time to Make the Doughnuts - January 12

donutHow can calculus help you create a donut to your boss's specifications?

Latest Solution: A Rhyming Riddle
Preview: Stonybrooke River Bridge


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