Calcul mental

Front

50 x 23 x 2 = ?

Back

2300

Front

4 x 82 = ?

Back

328

Front

3 000 x 70 = ?

Back

210000

Front

5 x 64 = ?

Back

320

Front

6 x 99 = ?

Back

594

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).

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, 3 x 4 = 4 x 3.

Front

What is the associative property of multiplication?

Back

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

Front

What is the identity property of multiplication?

Back

The identity property states that any number multiplied by 1 remains unchanged. For example, 7 x 1 = 7.

Front

What is the zero property of multiplication?

Back

The zero property states that any number multiplied by 0 equals 0. For example, 5 x 0 = 0.