Using the number line below select the appropriate sign for the following expression:
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Using the number line below select the appropriate sign for the following expression:
Let's begin by solving the following equation:
We'll locate the number 2 on the number line, and move 4 steps left from zero (since minus 4 is less than zero):
We reach minus 2.
Now let's move 4 steps left again from minus 2 (since minus 4 is less than zero):
We reach minus 6.
Therefore:
So the correct sign will be:
What will be the sign of the result of the next exercise?
\( (-2)\cdot(-4)= \)
On a number line, positive numbers are to the right and negative numbers are to the left. Adding a negative number means moving in the negative direction, which is leftward.
They give the same result, but the thinking is different! Adding (-4) means "add a negative four," while subtracting 4 means "take away four." Both move you 4 units left on the number line.
Just keep moving left! Each negative number you add moves you further left on the number line. For example: means start at 5, then move left 2, then left 3, then left 1 more.
Think of the symbols as hungry mouths that want to eat the bigger number! The open side faces the larger number. Since -6 is smaller than 6, we write .
Yes! You could write . This shows that adding two negatives gives you an even more negative result.
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