We can multiply numbers by larger numbers, once we've mastered .
Find 6178 \times 4.
Let's see how to multiply a 2 digit number by another 2 digit number.
Let's use the area model to find 28\times 15.
Find the area of each rectangle.
Find the sums of each column.
What is the total area of the rectangles?
What if we have larger numbers? Let's see how we can multiply larger numbers by 1 and 2 digit numbers.
Find the product of 243 \times 15.
selects and applies appropriate strategies for multiplication and division, and applies the order of operations to calculations involving more than one operation