Hello math reader! Level 4

Max finds out about adding and subtracting different amounts of money as he tries to borrow or earn enough to buy a birthday present for his mother. Includes related activities.

Mike and his friends try to figure out why the money in his allowance jar appears to be shrinking. Includes related math activities.

In this rhyming, cumulative story, the number of ants doubles each time they take a new treat from a picnic lunch.

Liz the Whiz & Co. help a neighbor find her way to a birthday party by using their knowledge of place value.

Mr. Day's fourth-grade class has a contest, recycling bottles and cans so that they will have enough money to buy a guinea pig. Includes four pages of story problems.

Liz the Whiz and her younger brother use codes, a chart, and a map of the backyard that matches a clock face to solve Zack's mystery. Includes a section with related activities.