5th Grade Topic 4 Test Review

Front

What is the best method to estimate the total cost of multiple items?

Back

To estimate the total cost, round the price of each item to a convenient number and multiply by the quantity.

Front

How do you calculate the exact total cost of items purchased?

Back

Multiply the cost of each item by the quantity purchased and sum the results.

Front

How many fluid ounces are in one gallon?

Back

There are 128 fluid ounces in one gallon.

Front

How do you convert gallons to fluid ounces?

Back

Multiply the number of gallons by 128 to get the total fluid ounces.

Front

What is the total cost of buying 10 seashells at $0.75 each?

Back

The total cost is $0.75 × 10 = $7.50.

Front

How do you find the total cost of multiple items with the same price?

Back

Multiply the price of one item by the number of items.

Front

What happens to the decimal point when multiplying a decimal by a power of 10?

Back

The decimal point moves to the right for each power of 10.

Front

If you multiply 0.45 by 10^4, how many places does the decimal move?

Back

The decimal moves 4 places to the right.

Front

What is the formula for calculating the total cost of items?

Back

Total Cost = Price per Item × Quantity.

Front

How do you estimate the total cost when prices are not whole numbers?

Back

Round the prices to the nearest whole number for easier calculation.