Tech Math Unit 1 Review

Front

What is the measurement represented by 5 9/16?

Back

5 9/16 is a mixed number that represents 5 whole units and 9/16 of a unit.

Front

How do you convert centimeters to millimeters?

Back

To convert centimeters to millimeters, multiply the number of centimeters by 10. For example, 8.8 cm = 8.8 * 10 = 88 mm.

Front

If each streamer is 2 2/5 meters long, what is the total length of 3 streamers hung end to end?

Back

The total length is 3 * 2 2/5 = 7 1/5 meters.

Front

What is the result of the operation 2 - 2/3?

Back

The result is 1 1/3.

Front

If 2/3 of the students have a sister and 1/2 of those have a brother, what fraction of students have both a sister and a brother?

Back

1/3 of the students have both a sister and a brother.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/2.

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, find a common denominator, convert the fractions, and then add the numerators.

Front

What is the formula for converting meters to centimeters?

Back

To convert meters to centimeters, multiply the number of meters by 100.

Front

What is the process to simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).

Front

What does it mean to find a common denominator?

Back

Finding a common denominator means identifying a shared multiple of the denominators of two or more fractions to make addition or subtraction possible.