Subtracting Decimals Using a (10 x 10) Grid (Example)

Subtracting Decimals Using a (10 x 10) Grid (Example)

Assessment

Interactive Video

Mathematics

3rd - 4th Grade

Hard

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The video tutorial explains how to solve a decimal subtraction problem using a 10 by 10 grid. It starts with representing 58 hundredths by shading 5 columns and 8 squares. Then, it demonstrates subtracting 33 hundredths by removing 3 columns and 3 squares. The remaining shaded area represents 25 hundredths, showing that 58 hundredths minus 33 hundredths equals 25 hundredths.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

After removing 33 hundredths, how much remains?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the final answer to the subtraction problem of 58 hundredths minus 33 hundredths?

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