SAFARI PARK t's 4 tickets for the Treetop Coaster! Just 2 for the Elephant Twirl! Five cousins each have 20 tickets to spend at Safari Park, and a little algebra will tell them how many rides they can try. But who will dare the death-defying Terrible Tarantula?
LESS THAN ZERO P an ice erry the Penguin needs 9 clams to buy scooter-but he's not very good at saving. As Perry earns, spends, finds, loses, and borrows clams, a simple line graph demonstrates the concept of negative numbers.
MONSTER MUSICAL CHAIRS E very time the music stops, one more monster is OUT! Kids won't be able to sit still for this musical introduction to subtraction at its simplest.
Sometimes, less really is more. This smart but powerful little guide will explain everyday maths, from percentages to prime numbers.
Story of a peddler who sold caps'