Placing the Decimal Point in the Product (Example)

Placing the Decimal Point in the Product (Example)

Assessment

Interactive Video

Mathematics

4th - 6th Grade

Hard

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The video tutorial addresses Julia's mistake of omitting decimal points in her homework. It introduces the counting digit strategy to correctly place decimal points by counting digits to the right of the decimal in each factor. The tutorial also demonstrates using estimation to verify the accuracy of decimal placement. Two problems are discussed, with the first using counting digits and estimation for verification, and the second highlighting challenges in estimation. The tutorial emphasizes understanding decimal placement through practical strategies and verification methods.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What strategy did Julia use to determine where to place the decimal point in her first problem?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How many digits to the right of the decimal point are there in both factors of Julia's first problem?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the estimated value of seven and 74 hundredths according to Julia's estimation?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

In Julia's second problem, where did she place the decimal point to get one and 47 hundredths?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is one half of three, as calculated by Julia?

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