4th/5th Number Sense - 2

Happiness multiplied

100

11 x 45

495

200

121 x 50

6050

300

14 x 16

224

400

75 x 24

1800

500

125 x 40

5000

Conniving twenty-fiving

100

25 x 16

400

200

32 x 25

800

300

18 xx 25

450

400

1025 -: 25

41

500

975 -: 25

39

Mixed number percent - common fraction "Blah-Blah"

100

5 1/2%

11/200

200

2 1/5%

11/500

300

16 2/3%

1/6

400

3 3/4%

3/80

500

12 1/2%

1/8

Fractionating Decimals -Decimating Fractions

100

2/5

0.4

200

.6

3/5

300

1/8 

.125

400

.375

3/8

500

5/8

.625

Roman - Arabic

100

CDXLVIII

448

200

772

DCCLXXII

300

MCLXIV

1164

400

1456

MCDLVI

500

1789

MDCCLXXXIX

Don't Underestimate Me

100

(*) 2020 x 11 - 2020

19190-21210

200

(*) 2020 x 25

47975-53025

300

(*) 192034 -: 248 

736-813

400

(*) 555 x 1790 + 202

943970 - 1043334

500

 (*) 6 1/4  x 31980

189882 - 209868

Fraction Subtraction

100

3/4 - 1/2 

1/4

200

5/6 - 1/3

1/2

300

7/8 - 1/4

5/8

400

4/5 - 1/2 

3/10

500

5/8 - 1/3

7/24

KHDBdcm

100

500 deciliters to Liters

50 Liters

200

40 Hectograms to decigrams

40,000 decigrams

300

400,000,000 millimeters to kilometers

400 kilometers

400

423 centiliters to Dekaliters

.423

500

45 kilograms to decigrams

450,000 decigrams