Math is Fun!

Rounding

100

578 rounded to the nearest hundred

600

200

3450 rounded to the nearest thousand

3000

300

500,890 rounded to the nearest ten thousand

500,000

400

100.879 rounded to the nearest tenth

100.9

500

0.0056 rounded to the nearest thousandth

0.006

Multiplying with Decimals

100

5.5 x 2

11

200

15.2 x 4

60.8

300

1.4 x 2.5

3.5

400

23.55 x 2

47.1

500

10.2 x 7.4

75.48

Decimals, Fractions, and Percentages

100

75/100 as a percentage

75%

200

0.82 as a fraction 

82/100 

300

What is 2.5/10 as a percentage

25%

400

1/5 as a percentage

20%

500

30/10 as a percentage

300%

Circles

100

I am the distance around a circle

Circumference

200

I go through the center of a circle and I join 2 points

Diameter

300

I am half (1/2) of the diameter

Radius

400

What is the name of the angle that is formed by 2 radii?

Central Angle

500

How many degrees are in a circle?

360