5thgrade_Ch.5

Front

What is the formula to calculate the total cost when buying a certain weight of an item at a specific price per pound?

Back

Total Cost = Weight (in pounds) × Price per pound.

Front

How do you estimate the product of two numbers?

Back

Round each number to a convenient value and then multiply the rounded numbers.

Front

What is the result of multiplying a decimal number by a whole number?

Back

Multiply as if they are whole numbers, then place the decimal point in the product based on the number of decimal places in the original decimal.

Front

What is the process for filling in the blank in a multiplication equation?

Back

Multiply the two numbers together to find the missing product.

Front

How do you round a decimal number to the nearest whole number?

Back

Look at the digit to the right of the whole number; if it's 5 or more, round up; if it's less than 5, round down.

Front

What is the value of 1.2 pounds of candy at $2.20 per pound?

Back

$2.64 (calculated as 1.2 × 2.20).

Front

What is the estimated product of 1.54 and 12 when rounded?

Back

18 (1.54 rounds to 2 and 12 remains 12, so 2 × 12 = 24, but the estimate is closer to 18).

Front

What is the multiplication result of 19.9 and 10?

Back

199 (19.9 × 10 = 199).

Front

What is the product of 0.23 and 3?

Back

0.69 (calculated as 0.23 × 3).

Front

What is the nearest whole number to 9.7?

Back

10 (rounded from 9.7).