Question

Maria used a number line to find 12 ÷ 4.Explain how she can use the number line to model the division.

Answer 1

Maria can plot the points 0 and 12 on the number line, then divide the distance between them into 4 equal parts. The location of the point closest to zero is the result of the division operation. (It will be 3 on the number line.)

Answer 2

The division operation can be modeled by creating a number line of length 12 units and a tick mark or line drawn at every 4 unit mark.

The dividend which is 12 can be used as the length of the number line.

The divisor which is 4 is used as the distance between tick marks located on the number line.

The number of portions which will be obtained, which is the number of distinct portions each of 4 units length will be 3.

Therefore, Maria could model the scenario using the description given.

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