Four students arrive on the first day of school looking cool and their teacher challenges them to keep it up as they count down one hundred days to a cool celebration.

1 + 1 = 2 snowmen. 3 + 4 = 7 snowmen. 5 + 6 = 11 snowmen. Finally, 100 snowmen! As you count and add, watch the snowmen enjoy a snowball fight, make funny faces, play hide-and-seek— and just plain have fun. And you’ll have fun, too!

When a box containing a penguin arrives anonymously on New Year's Day, a family of four is puzzled, but as they continue to receive one penguin each day their problems--and food budget, and storage issues--are multiplied.

MURDEROUS MATHS: All Shapes and Sizes is full of

Introduces simple addition through a rhyming text about animals being delivered for a merry-go-round.

Rhyming text describes a school field trip to an apple orchard, where the students count down all the things they see, from twenty nametags to one apple pie.

A young girl uses data-collecting and problem-solving skills to determine where her family should go for a vacation.

Uses a dialog between two friends, one who estimates, one who counts precisely, to show estimation at work in everyday life.

What do cars, toys, people, and jelly beans have in common? They can all be estimated. Two friends try out their estimating skills and find out that estimating can have real rewards--especially when there's a contest to enter!