adding and subtracting fractions
Rounding decimals
prime & composite
dividing
multiplying
100
5/10+1/2
1
100
2.399432937584 round to the nearest tenth
2.4
100
what is a prime number?
a prime number has only 2 factors (1 & its self)
100
%=divided by 21%7
3
100
10x7
70
200
3/9-2/9
1/9
200
999999.5 round to the nearest whole
1000000
200
what is a composite number
a composite number has more than 2 factors
200
%=divided by 45%5
9
200
9x6
54
300
3/9-12/36
0
300
5.6732 round to the nearest whole
6
300
name all the prime numbers 27,15,43,11,55,17,3,10
27,43,11,17,3
300
%=divided by 800%5
160
300
6x8
48
400
7/21+7
7 7/21
400
321432.427159236 round to the nearest hundredths
321432.43
400
name all the composite numbers 27,15,43,11,55,17,3,10
15,55,10
400
%=divided by HARD 90000000%5
18000000
400
40x21
840
500
8/16-8/48
0/48
500
4674328.67132687549693875268573215328745622395145327856758 round to the nearest whole
4674329
500
prime or composite 39
composite
500
%=divided by hard 96757865%5
19351573
500
49x53
2597
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