This video tutorial focuses on multiplying decimals, specifically tenths times tenths, using models and a hundredths grid. It provides step-by-step examples, including multiplying 0.2 by 0.3, 0.4 by 0.6, and 1.1 by 0.3. The video explains how to use columns and rows to represent numbers and highlights the importance of understanding the grid model to find the correct answer. The tutorial emphasizes that multiplying tenths results in a smaller number and demonstrates how to handle numbers greater than one using additional grids.

What does each column in the hundredths grid represent?

• 1/100 of the grid

• 1/10 of the grid

• 1/1000 of the grid

• 1 whole of the grid

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CCSS.3.G.A.2

What does each small box in the hundredths grid represent?

• 1/10 of the grid

• 1/100 of the grid

• 10 of the grid

• 1 whole of the grid

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CCSS.3.G.A.2

What visual model is used to multiply decimals in this video?

• Number line

• Hundredths grid

• Bar graph

• Pie chart

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How do we represent the first number in a multiplication problem using the grid?

• By shading rows

• By shading columns

• By shading the entire grid

• By shading diagonals

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CCSS.3.OA.A.1

How many hundredths are shaded when multiplying two tenths by three tenths?

• Six hundredths

• Nine hundredths

• Three hundredths

• Two hundredths

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What is the significance of shading in the hundredths grid?

• To represent addition of decimals

• To make the grid colorful

• To count the total number of squares

• To visually represent multiplication of decimals

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CCSS.5.NBT.A.2

What does the overlapping shaded area in the grid represent?

• The product of the multiplication

• The sum of the two numbers

• The difference between the two numbers

• The quotient of the two numbers

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CCSS.5.NBT.B.6

What is the result of multiplying four tenths by six tenths?

• Twenty-four hundredths

• Two hundredths

• Forty hundredths

• Sixty hundredths

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Why do we use a second grid when multiplying numbers greater than one?

• To represent the whole number part

• To have more space for shading

• To make the calculation easier

• To represent the decimal part

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When multiplying a number greater than one by a decimal, what does the result represent?

• A portion of the whole

• A new whole number

• The same as the original number

• A multiple of ten

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CCSS.5.NBT.A.2