Algebra+in+grade+4

=We learn how to break up BIG NUMBERS.=

13 x 4 is too big to memorize, so this is the ALGEBRA STRATEGY!

(10)(4)= 4 (3)(4) = 12

12 + 4 =16, so 13 x 4 = 16!

Algebra is fun!

f x f = p factor x factor = product