Module 2 7th Review

Adding Rational Numbers

100

1 + 2.5 =

What is 3.5?

200

1 + (-2.5) = 

What is -1.5?

300

-1/6 + 2/8 = 

What is 2/24 or 1/12 ? 

400

4 (1/3) + 2.33 = 

What is 3.66? 

500

6 + 3/8 (-1/2) = 

What is 5 and 13/16? 

Subtracting Rational Numbers

100

1.5 - 1 = 

What is .5?

200

1/3 - (4/3) = 

What is -3/3 or -1?

300

7.25 - 4.75 = 

What is 2.5 ?

400

8 (1.5) - 16 = 

What is -4 ?

500

7.5 - (-75/10) = 

What is 15 ?

Multiplying Rational Numbers

100

3(-1) = 

What is -3?

200

1/2(3/5) = 

What is 3/10 ?

300

(3/4) x (4/3) x .75 / (- .75) = 

What is -0.5625 ?

400

-6 (5/8) - 2 =

What is -46/8 or -5.75? 

500

6 (3/8 + (-1/2)) =

What is -3/4 or -.75 ?

Dividing Rational Numbers

100

-6 / 3 = 

What is -2 ?

200

-6 divided by -3 equals 

 What is 2 ?

300

What would the sign of the answer be? 

-3.4 / 7.2 ?

What is negative?

400

(-4 - 10) / (1/2) = 

What is 28?

500

(-7/8) / (7/8) / -1 = 

What is 1?

Numerical Expressions with Rational Numbers

100

What is the expansion of 2^3?

What is 2 times 2 times 2?

200

What is the expansion of 5³?

What is 125?

300

What is the difference between 2³ and 2(3)? 

What is 2 multiplied to itself 3 times versus what is 2 groups of 3?

400

What is the difference of 3 tenths and 1 fourth? 

What is .05 , 5/100 , or 1/20?

500

3 tenths less than 1 fourth equals 

What is -.05 , -5/100, or -1/20?