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

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 4 x 3 means adding 4 three times (4 + 4 + 4 = 12).

Front

What is a multi-digit whole number?

Back

A multi-digit whole number is a number that has more than one digit and does not include fractions or decimals. For example, 23, 456, and 7890 are multi-digit whole numbers.

Front

How do you multiply a multi-digit number by a single-digit number?

Back

To multiply a multi-digit number by a single-digit number, you multiply each digit of the multi-digit number by the single-digit number, starting from the rightmost digit, and then add the results.

Front

What is the product of 20 and 20?

Back

400

Front

What is the product of 48 and 23?

Back

1104

Front

How do you multiply a number by 100?

Back

To multiply a number by 100, you can add two zeros to the end of the number. For example, 867 x 100 = 86700.

Front

What is the product of 867 and 100?

Back

86,700

Front

How do you find the total number of tardies for multiple students?

Back

To find the total number of tardies, multiply the number of students by the number of tardies each student has. For example, if there are 96 students and each is tardy 18 times, the total is 96 x 18.

Front

What is the total number of tardies for 96 students each tardy 18 times?

Back

1,728

Front

What is the product of 98 and 86?

Back

8428