SJ 6.1 Lesson

SJ 6.1 Lesson

Common Fractions: Making comparisons and estimates

Directions

Get your math notebook

Open Ended

Some numbers are useful benchmarks for comparing numbers.

Numbers like 1/2, 1 1/2 and so on.

If we use a benchmark of 1/2 what can you say about the fractions 3/4 and 4/9 in comparison to 1/2?

Multiple Choice

Which fraction is greater? 3/4 or 4/9?

• 3/4

• 4/9

Answer

3/4 is greater than 4/9

Open Ended

In your math notebook, write down the three fractions.

Which fractions is the least?

Which fraction is the greatest?

Be ready to share out the strategies you used and your answer.

Answer

4/5 is the least.

8/4 is the greatest.

Open Ended

Is the sum of Logan's and Kay's fraction greater than or less than 2?

How do you know?

Answer

We know that 8/4 is 2 and 8/5 is less than 2.

If we take that information and estimate the sum, 8/4 + 8/5 would be greater than 2.