Mastering Multi-Digit Multiplication Techniques

This video tutorial from Math Antics teaches basic multi-digit multiplication. It emphasizes the importance of memorizing basic multiplication facts and provides step-by-step examples of multiplying a three-digit number by a one-digit number (137 by 5) and a four-digit number by a one-digit number (2617 by 4). The tutorial explains the process of stacking numbers, aligning digits, and carrying over numbers when necessary. It concludes by encouraging viewers to practice with printable exercises to master the skill.

Why is it important to memorize basic multiplication facts before learning multi-digit multiplication?

• It helps in subtraction.

• It helps in addition.

• It makes multi-digit multiplication easier.

• It is required for division.

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What should you do if you don't have basic multiplication facts memorized?

• Use a calculator.

• Ask for help.

• Have a multiplication table handy.

• Skip the problems.

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When setting up a multiplication problem, how should the numbers be aligned?

• With the decimal points lined up.

• With the ones places lined up.

• With the hundreds places lined up.

• With the tens places lined up.

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In a multiplication problem, which number is best to place on top?

• The larger number.

• The number with the fewest digits.

• The number with the most digits.

• The smaller number.

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What is the first step in multiplying 137 by 5?

• Multiply 5 by 1.

• Multiply 5 by 3.

• Multiply 5 by 7.

• Multiply 5 by 5.

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What do you do with the digit you carry over in a multiplication problem?

• Multiply it by the next digit.

• Subtract it from the next multiplication step.

• Add it to the next multiplication step.

• Ignore it.

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What is the result of 5 times 137?

• 685

• 735

• 935

• 835

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How many small multiplication steps are there in multiplying 2617 by 4?

• Four

• Five

• Three

• Two

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What is the final answer to 4 times 2617?

• 10048

• 10648

• 10468

• 10068

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What should you do after learning the basics of multi-digit multiplication?

• Practice with printable exercises.

• Take a break.

• Move on to division.

• Skip to the next topic.

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