Double-digit multiplication

Front

What is double-digit multiplication?

Back

Double-digit multiplication is the process of multiplying two numbers that each have two digits, such as 14 x 23.

Tags

CCSS.4.NBT.B.5

Front

What does it mean to carry over in multiplication?

Back

Carrying over in multiplication refers to the process of transferring a value from one column to the next when the product of a multiplication exceeds 9.

Tags

CCSS.4.NBT.B.5

Front

What is the product of 14 and 10?

Back

140

Tags

CCSS.4.NBT.B.5

Front

What is the first step in double-digit multiplication?

Back

The first step is to multiply the digit in the ones place of the bottom number by each digit of the top number.

Tags

CCSS.4.NBT.B.5

Front

What is the next step after multiplying the ones place?

Back

The next step is to multiply the digit in the tens place of the bottom number by each digit of the top number, adding a zero placeholder.

Tags

CCSS.4.NBT.B.5

Front

What is 62 multiplied by 12?

Back

744

Tags

CCSS.4.NBT.B.5

Front

What is 24 multiplied by 30?

Back

720

Tags

CCSS.4.NBT.B.5

Front

What is a zero placeholder in multiplication?

Back

A zero placeholder is added when multiplying by a number in the tens place to keep the place value correct.

Tags

CCSS.4.NBT.B.5

Front

What is the importance of place value in multiplication?

Back

Place value is important in multiplication because it helps to align numbers correctly and ensures accurate calculations.

Tags

CCSS.4.NBT.B.5

Front

What happens if you forget to carry over in multiplication?

Back

Forgetting to carry over can lead to incorrect products and ultimately wrong answers.

Tags

CCSS.4.NBT.B.5