4th grade Multiplication

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 does it mean to estimate in multiplication?

Back

Estimating in multiplication means finding a close value to the actual product without calculating it exactly. It helps to quickly assess the size of the answer.

Tags

CCSS.4.NBT.B.5

Front

Estimate 78 x 3.

Back

240

Tags

CCSS.4.NBT.B.5

Front

Estimate 4,758 x 5.

Back

25,000

Tags

CCSS.4.NBT.B.5

Front

What is the product of 52 x 64?

Back

3,328

Tags

CCSS.5.NBT.B.5

Front

What is the product of 37 x 89?

Back

3,293

Tags

CCSS.5.NBT.B.5

Front

Estimate 78 x 43.

Back

3,200

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 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

Front

What is a factor in multiplication?

Back

A factor is a number that is multiplied by another number to get a product. For example, in 6 x 4, both 6 and 4 are factors.

Tags

CCSS.4.OA.B.4