Unit 1 Review

Front

What is the result of -3 – (-10)?

Back

7

Front

If the temperature in Denver is -12.5°C and it drops by 7.8°C, what is the evening temperature?

Back

-20.3°C

Front

What is the evening temperature in Fairbanks if it starts at -15.7°F and drops by 9.8°F?

Back

-25.5°F

Front

Rachel needs 9½ yards of fabric. If she has 3¾ yards and 2½ yards, how many more yards does she need?

Back

3¼ yd

Front

What is the result of adding 7.6 and -8.15?

Back

-0.55

Front

Define absolute value.

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

What is the formula for finding the temperature change?

Back

Temperature change = Final temperature - Initial temperature.

Front

What does it mean to subtract a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place over the original denominator.

Front

What is the process for adding fractions with different denominators?

Back

Find a common denominator, convert the fractions, then add the numerators.