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Adding on a Number line Use the number line to show these two math problems / T (use a different color for each).

Sagot :

Since the numbers that we are using are in the forms of tens, we can draw a simplified number line like

For the first problem, we are adding -30 to -20. This means that we will jump 3 times to the left since we are dealing with negative numbers. The jump is 3 times because each jump represents 10. Hence, this is described as

For the second part, we are adding +30 to -20. Since we are adding up a positive number to a negative number, we will jump 3 times to the right. This can be represented in the number line as

View image NayellyA633891
View image NayellyA633891
View image NayellyA633891
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