Percent->Fraction
Decimal->Percent
Fraction->Percent
Fraction->Decimal
Percent->Decimal
Relatively Celestial
Breathin' FIRE
100

Make 69% into a fraction in lowest terms

69/100

100

Convert 0.45 into a percent

45%

100

Convert 33/100 to a percent

33%

100

Convert 13/100 to a decimal

0.13

100

Convert 25% to a decimal

0.25

100

If Mars has a diameter of 6,779 km and Mercury has a diameter of 4,880 km, the ratio of Mars to Mercury is greater than 1.

True

100

A famous alchemist who discovered the Philosopher’s Stone, a magical object that can turn metal into gold and produce the Elixir of Life, which makes the drinker immortal.

Who is Nicolas Flamel?

200

Make 40% into a fraction in lowest terms

2/5

200

Convert 0.3 into a percent

30%

200

Convert 1/2 to a percent

50%

200

DAILY DOUBLE!!

You can put up as many house point as you have. If you get the answer wrong, you will lose that many house points. Steals are only worth 200 points.

Convert 8/10 to a decimal

200

Convert 55% to a decimal

0.55

200

The diameter of Saturn is about 120,536 km. If you compare it to Earth’s diameter, what proportion (fraction) of Earth’s diameter is Saturn?

Saturn is about 9.46 times the diameter of Earth

200

How does Hagrid come by with a Norwegian Ridgeback?

What is winning it in card game.
300

Make 60% into a fraction in lowest terms

3/5

300

Convert 0.01 into a percent 

1%

300

Convert 1/5 to a percent

20%

300

Convert 7/50 to a decimal

0.14

300

Convert 2.5% to a decimal

0.025

300

A scale model of the solar system uses a 1 cm diameter ball to represent Earth. Using the ratio of Earth’s diameter to Jupiter’s diameter, what should be the diameter of the ball representing Jupiter in the model?

Answer: 11 cm

300

DAILY DOUBLE!!!!!! You can put up as many points as your house points. If you get the answer wrong, you will lose that amount from the house points. Steals are worth 300 points.

How does Hermione help Harry during the Quidditch match when his broom starts acting strangely?

400

Make 187% into a fraction in lowest terms

187/100

400

DAILY DOUBLE!!!!!! You can put up as many points as your house points. If you get the answer wrong, you will lose that amount from the house points. Steals are worth 400 points.

Convert 0.0235 into a percent

400

Convert 1/8 to a percent

12.5%

400

Convert 7/2 to a decimal

3.5

400

Convert 13425% to a decimal

134.25

400

The distance from the Sun to Earth is 150 million km and to Jupiter is 778 million km. Jupiter’s diameter is 139,820 km, Earth’s is 12,742 km.

Question: Which has a greater ratio relative to Earth: the distance to Jupiter or the diameter of Jupiter? Explain your reasoning.


  • Diameter ratio: 139,820 ÷ 12,742 ≈ 10.97

  • Distance ratio: 778 ÷ 150 ≈ 5.19

  • The diameter ratio is greater than the distance ratio. Jupiter is much larger relative to Earth in size than it is farther from the Sun relative to Earth.

400

Why does Dumbledore tell Harry not to look for the mirror again?

Dumbledore says the mirror shows people their deepest desires and that it can be dangerous, because people might waste away living in their dreams instead of reality.

500

Make 75% into a fraction in lowest terms

3/4

500

Convert 7.456 into a percent

745.6%

500

Convert 15/2 to a percent

750%

500

Convert 31/20 to a decimal

1.55

500

Convert 0.35% to a decimal

0.0035

500

DAILY DOUBLE!!!!!! You can put up as many points as your house points. If you get the answer wrong, you will lose that amount from the house points. Steals are worth 500 points.

The planet Saturn has a diameter of 120,500 km and is about 1,434 million km from the Sun. Earth has a diameter of 12,700 km and is 150 million km from the Sun.

Compare the ratios of Saturn to Earth for both size and distance. Which ratio is greater, and what does this tell you about Saturn relative to Earth?

500

How does the trio’s discovery about Flamel show their teamwork and growing friendship?

They combine their strengths—Hermione’s research skills, Ron’s persistence, and Harry’s intuition—to solve the mystery together, proving how cooperation makes them stronger.