Multiplying multi-digit numbers

Front

What is the product of 145 and 8?

Back

The product of 145 and 8 is 1160.

Front

Identify the mistake in the multiplication process shown in Box 1.

Back

Box 1 contains an error in the multiplication calculation.

Front

If John sold 36 cookbooks at $27 each, how do you calculate his total earnings?

Back

Multiply the number of cookbooks (36) by the price per cookbook ($27) to find total earnings.

Front

What is the result of 6 multiplied by 40?

Back

The result of 6 multiplied by 40 is 240.

Front

What is the product of 123 and 9?

Back

The product of 123 and 9 is 1107.

Front

What is the definition of multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number.

Front

How do you multiply multi-digit numbers?

Back

Align the numbers by place value and multiply each digit, carrying over as necessary.

Front

What is the distributive property in multiplication?

Back

The distributive property states that a(b + c) = ab + ac, allowing for easier multiplication.

Front

What is the importance of estimating products before calculating?

Back

Estimating helps to check the reasonableness of the final answer.

Front

What is a common mistake when multiplying multi-digit numbers?

Back

Forgetting to carry over numbers or misaligning the digits.