Representing and solving problems involving multiplication of multi-digit whole numbers

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the process of adding a number to itself a certain number of times. For example, 3 x 4 means adding 3 four times (3 + 3 + 3 + 3).

Front

What is a multi-digit whole number?

Back

A multi-digit whole number is a number that has two or more digits and does not include fractions or decimals. For example, 45 and 1234 are multi-digit whole numbers.

Front

How do you multiply two multi-digit numbers?

Back

To multiply two multi-digit numbers, you can use the standard algorithm, which involves multiplying each digit of the first number by each digit of the second number and then adding the results.

Front

What is the product of 915 and 61?

Back

55815

Front

What is the product of 34,567 and 358?

Back

12,374,986

Front

What is the product of 245 and 33?

Back

8085

Front

What is the product of 49 and 34?

Back

1666

Front

What is the product of 49 and 55?

Back

2695

Front

What is the standard algorithm for multiplication?

Back

The standard algorithm for multiplication involves writing the numbers vertically, multiplying each digit of the bottom number by each digit of the top number, and then adding the results together.

Front

What does it mean to estimate a product?

Back

Estimating a product means finding a rough value of the multiplication result, often by rounding the numbers to the nearest ten or hundred before multiplying.