Adding & Subtracting Decimals Flashcard Review

Front

What is the sum of 5.9 and 2.3?

Back

8.2

Front

If the Bell family drove for 10.9 hours, 8.6 hours, and 12.4 hours, what is the total driving time?

Back

31.9 hours

Front

Calculate 35.438 - 17.2.

Back

18.238

Front

Brenda and Jenna saved $81.75 and $45.25. How much do they have in total?

Back

$127.00

Front

What is the temperature difference if it was 15.8 degrees Celsius in the morning and dropped to 9.4 degrees Celsius in the evening?

Back

6.4 degrees Celsius

Front

Define decimals.

Back

Decimals are numbers that have a whole number part and a fractional part, separated by a decimal point.

Front

What is the place value of the digit 3 in the number 4.356?

Back

The place value of 3 is in the tenths place.

Front

How do you add decimals?

Back

Align the decimal points and add as you would whole numbers, then place the decimal point in the sum.

Front

What is the difference between addition and subtraction of decimals?

Back

Addition combines values, while subtraction finds the difference between values.

Front

What is the first step in subtracting decimals?

Back

Align the decimal points of the numbers being subtracted.