Doan Thi Diem 7S/T Chapter Two

Vocabulary 1

100

The top value of a fraction

Numerator 

200

A  combination of a whole number and a fraction

Mixed Number

300

The bottom value of a fraction

Denominator 

400

A decimal without end.

Non-terminating Decimal 

500

Any number that exists on the number line

Real Number

Vocabulary 2

100

A fraction whose numerator is smaller than its denominator

Proper Fraction

200

Decimal that has an end

Terminating Decimal

300

A fraction whose numerator is larger than its denominator. 

Improper Fraction

400

A number that can be expressed as a ratio of two integers.

Rational Number

500

A non-terminating decimal that does not repeat.

Non-recurring Decimal

Word Problems 1

100

The temperature is -12^oC. One hour later the temperature is 7^oC warmer. What is the new temperature?

-5^oC

200

What is the difference between 40 and -16?

56

300

A mountain is next to a valley. The valley has a minimum elevation of 200m below sea level while the mountain has a peak of 6400m above sea level. What is the distance between the two points?

6600m

400

(-5 - 2) x (-3)

21

500

{-10 - [12 + (-3)²] + 3³} / -4

1

Word Problems 2

500

David spent a total of 8 and 1/16 hours on community service last year. Given that his visit to the senior center took up 4/7 of the total time of the community service, find the amount of time he spent at the senior center.

4 and 17/28 hours

Final Jeopardy

500

Frank, Kate, Hank,  Susan, and John share a sum of money. Frank takes 1/5 of the total sum. After Frank has taken his share, Kate takes 1/3 of the remaining money. After Kate has taken her share, Hank takes 1/4 of the remaining money. After Hank takes his share, Susan takes 1/7 of the remaining money. What fraction is left for John?

12/35