RETEST NC6NS3 Add and Subtract Multi-Digit Decimals

Front

What is the process of adding multi-digit decimals?

Back

To add multi-digit decimals, align the numbers by the decimal point and add each column starting from the right, carrying over if necessary.

Front

What is the process of subtracting multi-digit decimals?

Back

To subtract multi-digit decimals, align the numbers by the decimal point and subtract each column starting from the right, borrowing if necessary.

Front

How do you convert cents to dollars?

Back

To convert cents to dollars, divide the number of cents by 100.

Front

What is the total amount of money Paul found if he found 7 cents, 98 cents, and 2 dollars and 4 cents?

Back

$3.09

Front

If a race is 22.01 kilometers long and one runner runs 9.41 kilometers, how do you find the distance the other runner ran?

Back

Subtract the distance run by the first runner from the total distance: 22.01 km - 9.41 km = 12.6 km.

Front

What is the difference in distance between two locations if one is 245.25 miles away and the other is 309.5 miles away?

Back

The difference is found by subtracting the smaller distance from the larger distance: 309.5 miles - 245.25 miles = 64.25 miles.

Front

What is 94.0 - 4.8?

Back

89.2

Front

What is the sum of 10.9 hours, 8.6 hours, and 12.4 hours?

Back

31.9 hours.

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten, typically represented with a decimal point.

Front

What does it mean to align decimals when adding or subtracting?

Back

Aligning decimals means to line up the decimal points of the numbers being added or subtracted to ensure accurate calculations.