Ch. 1-3 Review

Ch.1

100

     1357

     1123

+   5231  

What is 7,711

200

   34,322

-  27,455

What is 6,867?

300

Change 1/7 to a decimal

What is .143?

400

32% of 50?

What is 16?

500

12 and 20

Find GCF and LCM

GCF= 4

LCM= 60

Ch. 1

100

    21.3

x    2.3

What is 48.99?

200

3456/27

What is 128?

300

Express 2^-3

What is 1/2³ ?

400

Express and Evaluate 1/4^-2 

What is 4²? and 16?

500

21 is what percent of 34?

What is 61.8%?

Ch. 2

100

27 qt. = ________ gal.

8 3/4 gal.

200

2 ft. 3 in. x 10

What is 22 ft. 6 in.?

300

express 2.78 x 10^-2 in standard form

What is .00278?

400

express .000 034 in scientific notation

What is 3.4 x 10^-5

500

express 7,610,000,000 in scientific notation

What is 7.61 x 10⁹?

Ch. 3

100

3, 6, 4, 7, 5, _______

What is 8?

200

10, 5, 5/2, ______

What is 5/4?

300

2a + 3a - 6a

What is -a?

400

Evaluate when a=2, b=-3

3ab

What is -18?

500

Evaluate the expression when a=3, x=2, and z= 4.

2(a-z) + x²

What is 2?

Mixture

100

23 hm to m

What is 2300 m?

200

    3 hrs 20 min.

    2 hrs 4   min.

+  2 hrs 39 min.

What is 8 hrs. 3 min.?

300

2z + 3a + 2b - a + z + 3b

What is 2a + 5b +3z

400

2, 12, 4, 24, 8, _______

What is 48?

500

Simplify 3x² + (2-5) - 5x + 4x² -7x

What is 7x² + 4x² - 12x - 3 ?