Topic 1 Review

Reducing a fraction

100

Simplify 

3/12

what is 1/4 ?

200

Simplify 

-5/25

what is 

-1/5

300

Simplify 

30/40

the answer is 

3/4

400

Simplify 

-8/28

the answer is 

-2/7

500

Simplify 

21/49

the answer is 

3/7

Rounding

100

Round to the nearest ones: 

31.72

the answer is 

32

200

Round to the nearest whole number:  

140.493

the answer is 

140

300

Round to the nearest tens:  

1,935

the answer is 

1,940

400

Round to the nearest hundreds 

55,555

the answer is 

55,600

500

Round to the nearest tenths:  219.97

the answer is 

220

Addition

100

Simplify  

-9 + (-21)

what is 

-30

200

Simplify 

-7 + (20) 

what is 

13

300

Simplify 

1/3 + (-2/3)

what is 

-1/3

400

Simplify 

3/7 + 11/7

what is 

2

500

Simplify 

2 3/5+7 1/10

what is 

9 7/10

Subtraction

100

Simplify 

8 -(-8)

what is 

16

200

Simplify 

19 -24

what is 

-5

300

Simplify 

-6/25-3/25

what is 

-9/25

400

Simplify 

-17.84-(-5.62)

what is 

-12.22

500

Simplify 

8 11/12-4 3/4

what is 

4 1/6

Multiply or Divide

100

Simplify 

-9(8)

what is 

-72

200

Simplify 

(-44)/(-4)

what is 

11

300

Simplify 

1/5(-4/7)

what is 

-4/35

400

Simplify 

(3/4) / (1/7)

what is 

5 1/4

500

Simplify  6  1/2 divided by 2  3/4

what is  2  4/11

Prime numbers

100

Name the only even prime number

what is  2 ?

200

True or False:  The largest prime number less than 35 is 33.  If false, what is the correct answer?

What is false, it is 31

300

Name all the prime numbers less than 15

what is 2, 3, 5, 7, 11, 13 ?

400

Name the largest prime number that is less than 100.

What is 97 ?

500

A number that has more than two different factors is considered a ______________ number.

what is composite ?