In Kristi Fowler’s transitional kindergarten classroom, 4-year-olds learn math by counting steps as they jump and by sorting objects by shape or color. They can skip-count by 10s to get up to 100 and ...

The enthusiasm for California’s free preschool program for 4-year-olds is tempered by concerns that its benefits may fade ...

In this simulation, 66 of the 100 needles crossed a line (you can count ’em). Using this number, we get a value of pi at 3.0303—which is not 3.14—but it's not terrible for just 100 needles. With ...