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This is a rapid fire game of questions centered around “Numeration and Computation” (mostly math vocabulary). Topics covered in Mathlibs.org® Lesson 1 include: whole numbers, fractions, decimals, rounding, expanded notation, multiples, factors, what it means to be prime, the Associative and Commutative Properties, how we compare numbers and long division. (Flash is required.)

If you would like to review this lesson in an animated e-Book, check out Mathlibs. We also posted a colorful PDF of the Grade 4 Lesson 1 concepts.