Estimating Sums and Differences of Fractions

Front

What is the estimated sum of 7/15 + 6/10?

Back

1

Front

What is the estimated sum of 1/2 + 4/7?

Back

1

Front

What is the estimated difference of 2/3 - 4/8?

Back

1/2

Front

What is the estimated difference of 7/8 - 4/9?

Back

1/2

Front

What is the estimated sum of 1/12 + 2/4?

Back

1/2

Front

What does it mean to estimate a sum of fractions?

Back

To find a close approximation of the total value without calculating the exact answer.

Front

What does it mean to estimate a difference of fractions?

Back

To find a close approximation of the result when subtracting one fraction from another.

Front

How can you estimate the sum of two fractions?

Back

Round each fraction to the nearest half or whole number and then add.

Front

How can you estimate the difference between two fractions?

Back

Round each fraction to the nearest half or whole number and then subtract.

Front

What is a common method for estimating fractions?

Back

Using benchmarks like 0, 1/2, and 1 to round fractions.