by Ekeland, I. 1944-
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Make it 100!
1 cookie, 2 chairs, 3 pears : numbers everywhere
How big is 43 quintillion?
Speed math for kids : the fast, fun way to do basic calculations
Infinity : figuring out forever
Math for all seasons
English
Number concept > Juvenile nonfiction.
Number concept > Study and teaching > Juvenile nonfiction.
Infinite > Juvenile nonfiction.