Add and Subtract Decimals

Front

What is the result of 7.2 - 4.3?

Back

2.9

Front

James earns $22.50, $14.75, and $8.50 on three different days. How much did he earn in all?

Back

$45.75

Front

What is 34 + 10.18?

Back

44.18

Front

What is the first step when adding and subtracting decimals?

Back

Line up the decimals

Front

What is the result of 5.66 + 4.25?

Back

9.91

Front

Define decimals.

Back

Decimals are numbers that represent a fraction of ten, using a decimal point to separate the whole number from the fractional part.

Front

What does it mean to line up the decimals?

Back

Lining up the decimals means to align the decimal points of the numbers being added or subtracted to ensure accurate calculation.

Front

What is the importance of placeholders in decimal addition?

Back

Placeholders (like zeros) are used to maintain the correct value of digits when the numbers have different lengths.

Front

How do you convert a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over its place value (e.g., 0.75 = 75/100) and simplify.

Front

What is the result of 10.5 - 3.2?

Back

7.3