Multiplication of Two-Digit 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).

Tags

CCSS.3.OA.A.1

Front

What are two-digit numbers?

Back

Two-digit numbers are numbers that have two places, ranging from 10 to 99. Examples include 23, 45, and 87.

Tags

CCSS.1.NBT.A.1

Front

How do you multiply two-digit numbers?

Back

To multiply two-digit numbers, you can use the standard algorithm: multiply the ones place, then the tens place, and add the results.

Tags

CCSS.4.NBT.B.5

Front

What is the product of 83 and 79?

Back

6557

Tags

CCSS.4.NBT.B.5

Front

What is the product of 74 and 23?

Back

1702

Tags

CCSS.4.NBT.B.5

Front

What is the product of 15 and 27?

Back

405

Tags

CCSS.4.NBT.B.5

Front

What is the product of 21 and 63?

Back

1323

Tags

CCSS.4.NBT.B.5

Front

What is the product of 46 and 37?

Back

1702

Tags

CCSS.4.NBT.B.5

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the numbers in multiplication does not change the product. For example, 3 x 4 = 4 x 3.

Tags

CCSS.3.OA.B.5

Front

What is the associative property of multiplication?

Back

The associative property states that the way numbers are grouped in multiplication does not change the product. For example, (2 x 3) x 4 = 2 x (3 x 4).

Tags

CCSS.3.OA.B.5