Multiplication as Repeated Addition

Multiplication as Repeated Addition

Tightrope Walker

Is there a shorter way?

The expression involves adding the same number over and over. We want to simplify the expression to write it in a shorter way.

Open Ended

How could we simplify this expression?

Simplifying the expression

• The tightrope walker travels a distance of 4 seven times.

• We can write that as 7(4).

• He then travels 10 more

• 7(4) + 10 is simplified

Two ways to write the expression:

6+6+6+6

4(6)

Multiple Choice

How could we simplify:

5 + 5 + 5 + 8

• 2(5) + 5 +8

• 3(5) + 8

• It is already simplified

Multiple Choice

How could we expand 4(1) + 7

• 4 + 4 + 4 + 4 +7

• 7 + 7 + 7 +7 + 4

• 1 + 1 + 1 + 1 +7

• None of the above

(-3) + (-3) + (-3) + (-3)

How can we simplify?