Multiply 3 digit by 2 digit

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What is the process of multiplying a 3-digit number by a 2-digit number?

Back

To multiply a 3-digit number by a 2-digit number, you can use the standard algorithm: multiply the 3-digit number by each digit of the 2-digit number, starting from the rightmost digit, and then add the results together, aligning them according to place value.

Tags

CCSS.4.NBT.B.5

Front

What is the importance of place value in multiplication?

Back

Place value is crucial in multiplication as it determines the position of each digit in a number, affecting the overall value when multiplying. It ensures that products are aligned correctly when adding them together.

Tags

CCSS.4.NBT.B.5

Front

How do you estimate the product of a 3-digit number and a 2-digit number?

Back

To estimate the product, round the 3-digit number and the 2-digit number to the nearest ten or hundred, then multiply the rounded numbers. This gives a quick approximation of the actual product.

Tags

CCSS.4.NBT.B.5

Front

What is the significance of the distributive property in multiplication?

Back

The distributive property allows you to break down complex multiplication problems into simpler parts. For example, you can multiply a 3-digit number by a 2-digit number by distributing the 2-digit number into tens and units.

Tags

CCSS.4.NBT.B.5

Front

What is a common mistake when multiplying 3-digit by 2-digit numbers?

Back

A common mistake is misaligning the numbers when adding the partial products, which can lead to incorrect final answers.

Tags

CCSS.5.NBT.B.5

Front

How can you check your multiplication results?

Back

You can check your multiplication results by using the inverse operation (division) or by estimating the product and comparing it to your calculated answer.

Tags

CCSS.4.NBT.B.6

Front

What is the role of zero in multiplication?

Back

In multiplication, any number multiplied by zero equals zero. This is important to remember when dealing with larger numbers, as it can affect the final product.

Tags

CCSS.5.NBT.B.7

Front

What strategies can help with multiplying larger numbers?

Back

Strategies include breaking down numbers into smaller parts, using the distributive property, and practicing multiplication tables to improve speed and accuracy.

Tags

CCSS.4.NBT.B.5

Front

What is the product of 624 and 10?

Back

The product of 624 and 10 is 6,240.

Tags

CCSS.5.NBT.A.2

Front

What is the product of 448 and 14?

Back

The product of 448 and 14 is 6,272.

Tags

CCSS.4.NBT.B.5