How Old are Three Daughters?

Help a census taker figure out a father’s riddle about his daughters’ ages.

Non Repeating Decimals

Examine the relationship between the denominator and the numerator in fractions with non repeating decimal representations.

Six Divisors

Find the divisors of the number N.

Perfect Numbers

Find perfect numbers.

Consecutive Primes

Investigate sums and averages of two consecutive primes.

Juice Containers

Using models rather than algorithms for computing with fractions.

Camera Lens Aperture

Looking at the inversely proportional relationship between camera aperture and f-stops in photography.

Inversely Proportional

Exploring inverse proportion within the topic of speed and time relationships.

Math and Cookies

Looking at proportion in the context of a friendly argument over sharing cookies.

Volume and Pressure

Looking at how inverse proportion relates to science.