Adding and Subtracting Decimals

Front

What is the result of 34.27 - 17.51?

Back

16.76

Front

How many times do you move the decimal when multiplying 17.98 × 143.5?

Back

3 times to the left

Front

What is the result of 8.42 - 5.14?

Back

3.28

Front

What is the result of 89.34 + 98?

Back

187.34

Front

If a bag of apples costs $3.50, how much will you pay for 4 bags?

Back

$14.00

Front

What is the definition of a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point.

Front

What does it mean to add decimals?

Back

Adding decimals involves aligning the decimal points and adding the numbers as you would with whole numbers.

Front

What does it mean to subtract decimals?

Back

Subtracting decimals involves aligning the decimal points and subtracting the numbers as you would with whole numbers.

Front

What is the importance of decimal places in addition and subtraction?

Back

Decimal places determine the precision of the number; aligning them correctly ensures accurate calculations.

Front

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

Back

Look at the digit to the right of the decimal point; if it's 5 or more, round up.