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Calculations
Shapes
Addition
Subtraction
Fractions to decimals
100

 what is 6x+3, if x=2

(6x2) + 3 = 15

100

What is a 3 sided shape called?

Triangle

100

4+5 = 

9

100

78639-13245

   66 294

100

1/2

0.5

200

10x+3= if x = 5

(10x5) + 3 = 53

200

What is a 4 sided shape called?

Quadrilateral

200

67+54=

121

200

4667-4575=

92

200

67/85

0.7882

300

678 x 563

381 714

300

What is a 5 sided shape called?

Pentagon


300
678+321=

999

300

967-657=

310

300

100/1800

0.0555

400

86480 x 435

37 618 800

400

What is a 6 sided shape called?

Hexagon

400

8765+6577=

15 342

400

47-13=

34

400

1000/1000000

0.001

500

8975 x 9748 =

87 488 300

500

What is an 8 sided shape called?

Octagon

500

75869+76865=

152 734

500

8-5=

3


500

9000000/88000000

0.1022