Ruby and Dot Math!

Conversion

100

10,000g = ?kg

10kg

200

7,000ml = ?l

7l

300

3,500kg = ?t

3.5t

400

3.3m^{3 =} ?l

3,300l

500

6cm³ = ?ml

6ml

Order of Operations

100

2+3*4-1

13

200

11*(5² +3)-5

303

300

(2+5)*3-(10÷2)+4²

32

400

(12-8)÷2+3*(4-1)²-5

24

500

(15-7)*(6÷3)-2³+(8-4)

12

Rounding

100

186.98 to the nearest tenth

187

200

0.09 to the nearest whole number

0

300

489.790 to the nearest hundredth

489.8

400

789,215 to the nearest thousand

789,000

500

2.567 rounded to the nearest hundredth

2.57

Algebra

100

Find 'x'

3(x + 1) = −6

x= -3

200

Find 'x'

3(x+5)=18

x= 1

300

If '2x+3=7'

Then what is '3x-4'

2

400

6/2(1+2)

9

500

If 'x' is 3

2x-3+(4*5)

23

Percent

100

Increase 9000 by 5%

9,450

200

Increase £7 by 20%    

£8.40

300

Decrease 90ml by 7.5%

83.25ml

400

Increase 3 by 67.4%

5.022

500

Increase 750cm by 0.8%

756cm