T.i.P.S.

Students must be able to represent the product of 2 twodigit numbers in a variety of ways including arrays, area models, and equations. This includes perfect squares of 11 by 11, 12 by 12, 13 by 13, 14 by 14, and 15 by 15.
Example

Represent the products of the numbers below using either arrays, or area models. Also, write each of them as an equation.b) 13 x 13
Area Model with Multiplication
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TEKS

4.4 Number and operations. The student applies mathematical process standards to develop and use strategies and methods for whole number computations and decimal sums and differences in order to solve problems with efficiency and accuracy.
(C) represent the product of 2 twodigit numbers using arrays, area models, or equations, including perfect squares through 15 by 15