Math Topic 2 Review [Ms. Johnson]

Generate Equivalent Forms

100

What is 5/8 in decimal form? 

What is a fraction equivalent to 0.625 ?

200

What is 35% as a fraction (reduced to lowest terms)?

7/20

300

A farmer watered 3/8 of a field.  What percentage is equivalent to the fraction of the field the farmer watered?

What is 37.5%

400

Darla spent $13.00 of the $20.00 in her wallet.  What decimal represents the portion of the $20.00 Darla spent?

0.65

500

Are these values equivalent?

2/5, 0.25, 25%

no

0.25 = 1/5, but 2/5 > 1/4

Order Rational Numbers

100

What does Ascending order mean?

What is least to greatest?

200

Caden did 29.4% of his homework, Adrian did 37.6% and Elijah completed 3/10 of his.  Who did the most work?

Adrian

300

What is  2/5, 0.3, 2, 45% in ascending order?

What is 0.3, 2/5, 45%, 2?

400

What is -2.45, -2 1/2, -2/5, 5, and 21/5 in descending order?

What is 5, 21/5, -2/5, -2.45, -2 1/2

500

Which is greater, -1*5²     or    -5*3²  

 -25 > -45

because it is further to the right on the number line

All Operations with Positive Rational Numbers

100

1/6 + 9/14 = 

24/42  or 17/21 

200

Sammy has 120 donuts. 2/5 of the donuts have sprinkles.  How many of the donuts have sprinkles?

 48

300

Mark bought 5 notebooks for 0.35 each and a case of markers for $3.40.  He paid with a twenty dollar bill. How much change did he get back?

What is $14.85?

400

(3/5)(2/3) = 

6/15 = 2/5

500

3/5 + 0.2 = ?

4/5 or 0.8?

Operations with Rational Numbers

100

5 + (-9) = ?

What is a sum that equals negative 4?

200

(^-1)*(^-2)² *(3²) = 

What is the prime factorization of: 

 -36

300

5(-6) + (-7) = ?

What is -37?

500

(-5/8)/(1/2) = ?

What is -1 1/4?