Estimating Sums and Differences of Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole, consisting of a numerator (top number) and a denominator (bottom number).

Front

What does it mean to estimate a fraction?

Back

Estimating a fraction means finding a close value to the fraction that is easier to work with, often rounding to 0, 1/2, or 1.

Front

How do you determine if a fraction is closest to 0, 1/2, or 1?

Back

Compare the fraction to these values: If it's less than 1/4, it's closest to 0; if it's between 1/4 and 3/4, it's closest to 1/2; if it's more than 3/4, it's closest to 1.

Front

Estimate the fraction 3/4.

Back

1

Front

Estimate the fraction 11/20.

Back

1/2

Front

Estimate the fraction 17/19.

Back

1

Front

Estimate the fraction 1/5.

Back

0

Front

What is the numerator in a fraction?

Back

The numerator is the top number in a fraction that indicates how many parts are being considered.

Front

What is the denominator in a fraction?

Back

The denominator is the bottom number in a fraction that indicates how many equal parts the whole is divided into.

Front

What is the value of 1/2 in decimal form?

Back

0.5