GRADED Decimal Multiplication

Front

What is decimal multiplication?

Back

Decimal multiplication is the process of multiplying numbers that have decimal points, which involves aligning the numbers and multiplying as if they were whole numbers, then placing the decimal point in the product.

Front

How do you calculate the total cost of multiple items?

Back

To calculate the total cost of multiple items, multiply the price of each item by the quantity purchased and then sum all the costs.

Front

If a ticket costs $25 and there are 5 people, how do you find the total ticket cost?

Back

Multiply the ticket price by the number of people: $25 x 5 = $125.

Front

What is the formula to find the total cost including additional fees?

Back

Total Cost = (Cost per item x Quantity) + Additional Fees.

Front

How do you calculate the total cost of items with different prices?

Back

Calculate the cost of each item separately (price x quantity) and then add all the costs together.

Front

What is the importance of estimating in decimal multiplication?

Back

Estimating helps to quickly assess whether an answer is reasonable and can guide calculations.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Front

What is the significance of rounding in decimal multiplication?

Back

Rounding simplifies calculations and helps in making quick estimates, but it may affect the accuracy of the final result.

Front

How do you find the total amount earned from hourly work?

Back

Multiply the hourly wage by the number of hours worked: Total Earnings = Hourly Wage x Hours Worked.

Front

If Emma works 10 hours a week at $7.50 per hour, how much does she earn in a week?

Back

$7.50 x 10 = $75.