Multiplying Multi-Digit Numbers

Front

What is multiplication?

Back

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

Front

What is a multi-digit number?

Back

A multi-digit number is a number that has two or more digits. For example, 23, 456, and 7890 are all multi-digit numbers.

Front

What does it mean to multiply multi-digit numbers?

Back

Multiplying multi-digit numbers involves multiplying numbers that have two or more digits, often requiring carrying over values.

Front

What is the product of 72 and 13?

Back

936

Front

What is the product of 63 and 42?

Back

2646

Front

If each person has 82 trading cards and there are 4 people, how many cards do they have together?

Back

328

Front

What is the cost of 5 ski passes if each costs $109?

Back

$545

Front

What is the distributive property in multiplication?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to break down a multiplication problem into smaller parts.

Front

How do you estimate the product of two multi-digit numbers?

Back

To estimate, round each number to the nearest ten or hundred, then multiply the rounded numbers.

Front

What is carrying in multiplication?

Back

Carrying is a process used in multiplication where you move a value from one column to the next when the product exceeds the base (like 10 in base 10).