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adding and subtracting fractions
adding and subtracting with negatives
multiplying and divide with fractions
percentages
ratios
100

2/6+3/6(simplified)

2/6+3/6=5/6

100

49+51

=100

100

48 divided by 12

4

100

 25% to decimal

=0.25

100

3:6 simplify

=1:3

200

30/60+12/60(simplified)

30/60+12/60=42/60=21/30=7/10

200

652+913

=1565

200

8x12

96

200

10% of 50

=20/100=10%

200

125:25 simplifiy

=5:1

300

3/5-6/15(simplified)

3/5-6/15=9/15-6/15=3/15

300

502+56--12

=570

300

7/10 divide by 11/6

=21/55

300

12% of 75

=12x75=900 divide by 100 =9%

300

express one quantity as another 300ml:1L

=300:1000=3:10
400

27/44+3/4(simplified)

27/44+3/4=27/44+33/44=60/44=15/11

400

246-102--(2)2

=148

400

160/30x2/15x5/2

=16/9=1 7/9

400

an increase of 25% from 350

=25/100x350 25x35=875 divide by 10=87 350+87=437

400

9:15

54:

9 divide by 54=6 15x6=90 =54:90

500

138/200-412/600(simplified)

412/600-138/200=414/600-412/600=2/600=1/300

500

3x(50+-22)divided by 4

=21

500

85/30 divide by 40/30x10/13

=85/52=1 33/52

500

what percentage of change is between these numbers 300 to 425 

= 425 divide by 125=3.4 3.4x100=340% increase

500

express one quantity as another 12 hours:2 days

2 days = 48 hours=12:48=1:4