Number Fluency Triads

Front

What is a number triad?

Back

A number triad is a group of three numbers where one number is the middle value between the other two.

Front

How do you find the middle number in a triad?

Back

To find the middle number, look for the number that is closest to the average of the other two numbers.

Front

What does it mean for a number to be 'closer' to another number?

Back

A number is 'closer' if it has a smaller difference when subtracted from that number.

Front

If you have the numbers 1000, 1200, and 1400, which number is the middle number?

Back

1200 is the middle number because it is right in the middle of 1000 and 1400.

Front

In the triad 600, 610, 700, which number is the closest to the middle?

Back

600 is the closest to the middle because it is the smallest number in the triad.

Front

What is the middle number in the triad 0, 120, 300?

Back

0 is the middle number because it is the smallest and closest to the average.

Front

For the numbers 3000, 3500, and 4000, which is the middle number?

Back

3500 is the middle number as it is between 3000 and 4000.

Front

In the triad 0, 400, 800, which number is the middle number?

Back

400 is the middle number because it is halfway between 0 and 800.

Front

What is the average of the numbers 1000 and 1400?

Back

The average is 1200.

Front

How do you determine if a number is the middle number in a triad?

Back

You determine it by checking if it is equidistant from the other two numbers.