Current Problems of the Week

Primary

Snow Globes - February 13

magic more machine How many snow globes will Angie have on her fifth shelf?


Preview: Snowy Footprints

Algebra

Lettuce for Sale - February 20

Determine how many heads of lettuce were sold at the market each day.

Latest Solution: What Time Is It?

Math Fundamentals

Jumping Rope - February 20

jumpropeJust how long was the rope with which we started?

Latest Solution: The Big Balloon Blowup

Geometry

Is the Fair Fair? - February 13

Figure out the probability of winning at this popular midway game.

Latest Solution: Snail's Trail
Preview: Trisecting a Square

Pre-Algebra

Valentine's Day Candy - February 13

ValentineHow many individually boxed candies did Eddie buy?

Latest Solution: Heavy Hoisting
Preview: Practicing for the Winter Olympics

Trig & Calculus

Coordinateville - February 20

map In Coordinateville, almost all the streets are laid out on a perfect grid. What happens to the streets that aren't on the grid?

Latest Solution: How Large Is The Yard?


© 2017 NCTM. All Rights Reserved. http://mathforum.org/pows/