Rational Number Aquarium v3 — Restore the Reef

Restore the ReefCorrect math brings the aquarium to life.

🌿Sea Grass

🐠Fish School

🪸Coral

🐢Sea Turtle

🧰Treasure

Place each creaturein the smallest set that contains its number.

Rational Numbers

Integers

Whole Numbers

Drag the bubble into a habitat

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drag me

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Sort the Sea

Which is the smallest set that contains this number?

Whole numbers are 0, 1, 2, 3, … . Integers include whole numbers and their opposites. Rational numbers can be written as a fraction of two integers.

Drag the bubble or tap a habitat. Mistakes pause the game so you can fix the idea.

0Correct

0Streak

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Teacher settings

Number types Feedback

A number can belong to more than one set. Students should place it in the smallest correct set.

Predict the decimal

Will this decimal terminate or repeat?

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Decimal Dive

Predict what happens when you divide the numerator by the denominator.

A terminating decimal ends. A repeating decimal has a digit or block of digits that repeats without end.

Make a prediction.

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Teacher settings

Fractions Reveal

Move the dolphin to

3/4

Use the number line to show exactly where the value belongs.

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Dolphin position: 0

-5-4-3-2-1012345

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Number Line Dive

Place integers, decimals, and fractions on the same number line.

Think about a number's size first. Negative numbers are left of zero. Positive numbers are right of zero. Fractions and decimals can name the same location.

Move the dolphin, then check your position.

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Teacher settings

Number mix Range

Classification

Press Start

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Accuracy Reef

Complete 10 questions with at least 80% accuracy.

No countdown. Think carefully. A wrong answer pauses the activity and teaches the idea.

Ready when you are.

10Questions Left

0Correct

0Streak

🔒 Speed Current unlocks at 80% accuracy.

Teacher settings

Round length Question mix

Rational Number Aquarium

Great Dive!