Pre-Algebra Test 2 Review

P

100

Simplify mentally: 625.3 x 100

62530

200

Reduce to the lowest terms:

21/49

3/7

300

Which of the following numbers are divisible by 5?

135. 1050. 335. 4145. 1010

all of them!

400

Find the sum of the first 13 prime numbers

238

500

There were four thousand, eight hundred forty-two ants in each anthill. If there were three hundred thirty anthills, how many ants were there in all?

1,597,860 ants

I

100

Subtract: 185.3617-17.3169

168.0448

200

Reduce each fraction to lowest terms:

36/48

3/4

300

Product of prime numbers using exponents:

540

2^2 *3^3*5

400

Which of the following numbers are divisible by 3?

135. 1050. 335. 4145. 1010

135 1050

500

During an eleven year period, the Garber Dunns drove their combine 10,802 miles through the wheat fields. If they drove an equal amount each year, how many miles did they drive their combine each year?

982 mi

C

100

Simplify:

1^24

1

200

Write 

3/7

with a denominator of 210

90/210

300

Write this number as a product of prime numbers:

30

2*3*5

400

Change to a decimal number (round to two decimal places 

3/17

0.18

500

Simplify 

(0.8)^3

0.512

K

100

Round 3.141592654 to the nearest ten-millionth.

3.1415927

200

Multiply: 62.13 and 7.8

484.614

300

Product of prime numbers:

210

2*3*5*7

400

7/11

Change to a decimal number (round to 2 decimal places)

0.64

500

Divide, and round to two decimal places: 

231.2/0.048

4816.67

1

100

Round 2.07 to seven decimal places (repeating)

2.0707071

200

Change to a fraction and reduce to the lowest terms:

0.025

1/40

300

Find GCF (36,217)

26

400

Change to a decimal number (round to 2 decimal places)

7/500

0.01

500

Find the mission numbers: 

X/0.6=44.4

26.64