Multiply 2 digit 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).

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 34, 56, and 78.

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 of the bottom number by each digit of the top number, then multiply the tens place of the bottom number by each digit of the top number, and finally add the results.

Tags

CCSS.4.NBT.B.5

Front

What is the product of 34 and 24?

Back

816

Tags

CCSS.4.NBT.B.5

Front

What is the product of 77 and 28?

Back

2,156

Tags

CCSS.4.NBT.B.5

Front

What is the product of 81 and 36?

Back

2,916

Tags

CCSS.4.NBT.B.5

Front

What is the product of 80 and 32?

Back

2,560

Tags

CCSS.4.NBT.B.5

Front

What is the product of 75 and 35?

Back

2,625

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 a multiplication problem does not change the product. For example, 4 x 5 = 5 x 4.

Tags

CCSS.3.OA.B.5

Front

What is the associative property of multiplication?

Back

The associative property states that when multiplying three or more numbers, the way in which the numbers are grouped does not change the product. For example, (2 x 3) x 4 = 2 x (3 x 4).

Tags

CCSS.3.OA.B.5