annieautumnstar annieautumnstar
  • 17-10-2018
  • Mathematics
contestada

Add​​ using a number line. −25+45 Drag and drop the word SUM to the correct value on the number line.

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minuteacrimony
minuteacrimony minuteacrimony
  • 17-10-2018

-25+45=20

Drag SUM to the value 20

Answer Link
slicergiza slicergiza
  • 06-10-2019

Answer:

When we add two number using number line,

We start with the first number,

If the second number is positive then we count to right side

While, if the it is negative then we count to left side

Here, the given expression,

−25+45

Start from -25,

Since, 45 is a positive number,

Thus, count 45 jumps from -25 to right side of the number line,

The final position would be 20,

Hence, −25+45 = 20

Ver imagen slicergiza
Answer Link

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