Question

Select the expression that will calculate how many eighths are in 2 bars? Use the model to help you.

2 equal-sized bars each labeled "1" are shown next to each other. Both bars are divided into eighths.

(1 point)

2÷8


8÷2


2÷18


8÷12

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Answer 1

One whole bar contains 8 eighths, so 2 bars contain 2 × 8 = 16 eighths. The operation that finds this is 2 ÷ (1/8), which equals 2 × 8 = 16.

None of the given choices (2÷8, 8÷2, 2÷18, 8÷12) equal 16, so none of the options is correct.