Math Functions

Expanddecimals

100

3.987

3*1+9*(1/10)+8*(1/100)+7*(1/1000)

200

45.381

4*10+5*1+3*(1/10)+8*(1/100)+1*(1/1000)

300

145.482

1*100+4*10+5*1+4*(1/10)+8*(1/100)+2*(1/1000)

400

0.345

3*(1/10)+4*(1/100)+5*(1/1000)

500

1954.924

1*1000+9*100+5*10+4*1+9*(1/10)+2*(1/100)+4*(1/1000)

Rounding decimals to the thousandths

100

1.0947

1.095

200

34.2153

34.215

300

1958.9473

1958.947

400

0.0938

0.094

500

475.9996

476

Add/subtract decimals

100

100.87-20.45

80.42

200

34.98+45.23

80.21

300

3.98-2.33

1.65

400

130.85+230.12

360.97

500

1000.84+3453.91

4454.75

Add/Subtract Fractions

100

(1/2)+(5/13)

23/26

200

(3/7)-(2/5)

1/35

300

(8/11)-(1/5)

29/55

400

(3/4)+(3/8)

9/8

500

(1/11)+(8/9)

97/99

Triangles

100

All sides are 5 inches

What is the triangle?

Equilateral

200

Sides are 5 inches, 5 inches, 7 inches.

What is the triangle?

Isosceles

300

Sides are 8 inches, 10 inches, and 13 inches

What is the triangle?

Scalene Triangle

400

All angles are 60 degrees.

What is the Triangle?

Equilateral Triangle

500

The angles are 40 degrees, 100 degrees, 40 degrees.

What is the triangle?

Isosceles Triangle