Pearson Algebra 1 Common Core, 2011
PA
Pearson Algebra 1 Common Core, 2011 View details
Chapter Review
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Exercise 56 Page 71

Move 4 to the right.

5

Practice makes perfect

We can use a number line to determine the sum 1+4. Starting at 1 on a number line, we will move 4 units in the positive direction. The point at which we stop on the number line illustrates the sum of 1 and 4.

Thus, 1+4=5.