Students must be able to use sets of steps to multiply a two-digit number by a one-digit number using a strategy such as mental math, partial products, and the commutative, associative, and distributive properties.
Kendra is trying to help her cousin solve some multiplication problems. Show two strategies that Kendra could use to explain to her cousin why 24 x 6 equals 144.
Distributive Property with Multiplication
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3.4 Number and operations. The student applies mathematical process standards to develop and use strategies and methods for whole number computations in order to solve problems with efficiency and accuracy. The student is expected to:
(G) use strategies and algorithms, including the standard algorithm, to multiply a two-digit number by a one-digit number. Strategies may include mental math, partial products, and the commutative, associative, and distributive properties