The three errors that Emily makes are: The arrows should point in the negative direction. The arrows should end on negative 15. The arrows should start at zero.
The number line is a representation of numbers on the line which can be used for different arithmetic operations such as additions, subtractions, multiplication, and division of numbers and algebraic expressions. It usually starts from the origin 0 with the positive axis in the right direction and the negative axis in the left direction.
From the given information;
-15 ÷ 5 = -3
By representing the above information on the number line, the errors that Emily make with her diagram are:
- The arrows should point in the negative direction.
- The arrows should end on negative 15.
- The arrows should start at zero.
Learn more about the number line here:
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