Decimal Operations & Word Problems

Front

What is the best estimate for the sum of 43.53 and 27.67?

Back

70

Front

What is 20.11 - 13.27?

Back

6.84

Front

Calculate 32.5 x 7.4.

Back

240.5

Front

If a pizza costs $12.95 and is shared by 5 friends, how much does each person pay?

Back

$2.59

Front

Gabby plans to hike 6.3 kilometers and stops after 4.75 kilometers. How far does she have left to hike?

Back

1.55 km

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 estimate a sum?

Back

Estimating a sum means finding a rough calculation of the total, often by rounding numbers.

Front

What is the process of subtraction in decimal operations?

Back

Subtraction in decimal operations involves taking one decimal number away from another.

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both factors and place the decimal in the product.

Front

What is the importance of rounding in decimal operations?

Back

Rounding helps simplify calculations and makes it easier to estimate results.