Mental Math Multiplication

What is multiplication?

• A mathematical operation that represents the repeated addition of a number.

• A method of dividing numbers into equal parts.

• A technique for finding the square root of a number.

• A way to calculate the average of a set of numbers.

What is the identity property of multiplication?

• The identity property states that any number multiplied by 0 remains unchanged.

• The identity property states that any number multiplied by 1 remains unchanged.

• The identity property states that any number multiplied by itself equals the number squared.

• The identity property states that any number multiplied by 10 remains unchanged.

What is a word problem in multiplication?

• A mathematical problem presented in narrative form requiring addition to solve.

• A mathematical problem presented in narrative form requiring multiplication to solve.

• A problem that involves only numbers without any context.

• A type of problem that can only be solved using division.

What is a double number in multiplication?

• A double number is when you multiply a number by 2.

• A double number is when you add a number to itself.

• A double number is when you multiply a number by 3.

• A double number is when you subtract a number from itself.

What is the associative property of multiplication?

• 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).

• The associative property states that the order of numbers in multiplication does not change the product. For example, 2 x 3 x 4 = 4 x 3 x 2.

• The associative property states that multiplying a number by zero results in zero. For example, 5 x 0 = 0.

• The associative property states that the sum of numbers in multiplication is equal to the product of those numbers. For example, 2 + 3 = 5.

What is the product of 23 and 3?

• 67

• 68

• 69

• 70

What is the product of 14 and 9?

• 112

• 126

• 134

• 98

What is the product of 22 and 9?

• 176

• 198

• 202

• 180

What is the product of 19 and 4?

• 72

• 74

• 76

• 78

What is the product of 17 and 7?

• 119

• 112

• 124

• 107