3questions math! ! add using a number line. 56+(−116) drag and drop the word sum to the correct value on the number line. add 34+(−212) using the number line. select the location on the number line to plot the sum. what is the sum? 1.3+(−2.4) enter your answer, as a decimal, in the box.

Steps of adding 56+(−116) using number line are as following:

1) Draw a number line by ranging from -120 to +60.

2) Point out 56 on the number line.

3) Because -116 is added to 56 on the number line,  please move 116 numbers left to 56 on the number line. We always go left in addition of a negative number on the number line.

4) The number we reach -60 on left side would be our final sum.

b) Steps of adding 34+(−212) using number line are as following:

1) Draw a number line by ranging from -212 to +40.

2) Point out 34 on the number line.

3) Because -212 is added to 34 on the number line,  please move 212 numbers left to 34 on the number line. We always go left in addition of a negative number on the number line.

4) The number we reach -178 on left side would be our final sum.

c) Steps of adding 1.3+(-2.4) using number line are as following:

1) Draw a number line by ranging from -3 to +3.

2) Point out 1.3 on the number line.

3) Because -2.4 is added to 1.3 on the number line,  please move 2.4 numbers left to 1.3 on the number line. We always go left in addition of a negative number on the number line.

4) The number we reach -1.1 on left side would be our final sum.

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Step-by-step explanation:

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step-by-step explanation:

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