# 7 addicting games to learn rational and irrational numbers - number dyslexia (2023)

Pi, Phi, Surds - all these terms have one thing in common. Those are irrational numbers. Like many number learners, I also wished that the world consisted only of certain integers and decimals. So many calculations could have been saved. Obviously that's not possible. Away from basics like counting and number sense, high school math separates all numbers into rational and irrational numbers. The responsibility lies with the teacher to make learning enjoyable. Since only practice can lead to perfection, it is important to have plenty of practice materials on hand in addition to books and worksheets.

Computers and their role in education have grown over the years. There is an online version of every study material imaginable. A more advanced solution is available in the form of online games. Before moving on to the list of games I have found exceptionally useful, let's understand why learning rational and irrational numbers is important.

## Meaning of rational and irrational numbers

Rational numbers tell us unique values ​​and irrational values ​​fill the gap between the two unique values, simply put.irrational numbersare the fillers that close the gaps when counting rational numbers. The real world application of irrational numbers is in finding the perimeter or area of ​​a circle and making approximations and learning advanced mathematical concepts like functions, derivatives, logarithms, etc.

Therefore, learn these numbers to perfection. To help you take those small steps with confidence, I've curated a few simple online games that can provide a smooth transition to complex math.

## Entertaining rational and irrational number games

### 1. Identify rational and irrational numbers

How do you recognize a rational number? Well, it requires a quick calculation. A rational number has a specific suffix when written in decimal form. Even when represented in p/q form, the number of q is not zero. This game offers you an engaging way to distinguish a rational number from an irrational number. Learners can advance to higher levels where slightly more complex problems await them.

It is advisable to practice solving problems to get fractions, square roots and decimals in your head before starting this online game. The faster you calculate, the more problems you can solve in a limited time. This game provides plenty of challenging problems for beginners and can help advanced learners to review the basics to be ready for higher levels of learning. As a parent I also enjoy this game and play it often to test my math skills!

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### 2. Sort rational or irrational number

Creating tables to sort rational and irrational numbers from a given set is a common activity we do in notebooks and worksheets. Let's give it an animated touch by playing an online game based on it. In this game, children have to drag and drop rational and irrational numbers into their respective buckets. Birds with these numbers fly across the screen, challenging learners to pay attention to calculate the number and move it to the correct bucket. Therefore, the game requires the simultaneous application of multiple intelligences.

While encouraging students to try this game, you can tell a short story about how birds benefit from dropping the numbers into the appropriate bucket. This presents a problem for students to solve using their identification based on numeracy skills. It adds both fun and meaning and teaches students logical thinking and problem-solving skills.

### 3. Space Game - Legend of Learning

If you think students will love taking the same quiz over and over again, think again! The children are looking for variety and new things. This game significantly meets that requirement. The background is a room where the aliens throw challenges in the form of rational and irrational numbers. It's a bit trickier and different from the usual classification activity as the infinite and finite ending decimals are the clues. Students press the I or R button indicated above, depending on which clue appears. Her act will save her friend from an alien attack.

Math lessons via videogameshas received the nod of researchers for the way these motivate children to learn. Therefore, this engaging background and story-based graphics create a compelling learning environment for students just introduced to rational and irrational numbers.

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### 4. Compare rational numbers - Jeopardy game

Jeopardy is a popular matrix game. This matrix has columns with dollar values. It is the bet amount players earn when they select a cell. The answers are hidden behind the dollar values ​​in the matrix and the participants ask questions. This online jeopardy game of rational and irrational numbers brings a quiz-like twist. The matrix here does not include the dollars, but the points they score.

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The questions revolve around concepts related to rational and irrational numbers. You will learn to classify, compare and calculate these depending on the challenge. Therefore, you need to practice calculations in advance, since there is less time to think and apply. It can be played in a group as a competition and the winner will be the one who solves more high score questions than the opponents.

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### 5. Is this number irrational?

What makes a number rational or irrational? Well, there are certain rules one must learn to keep this classification in mind. The game requires you to remember the rules about fractions and decimals that contribute to the irrationality of numbers. It's an extensive brain teaser and pushes the mind to think, calculate and analyze faster. Ten questions asked in a row force learners to be agile in their computation and concept recall. You can have the required amount of practice by solving questions in a row.

The game features multiple levels that increase in complexity and the number of challenges. Play it as many times as you want; I found it to be one of the best resources to try because of its simplicity and to-the-point approach.

### 6. Eat all irrational numbers

This is what the actual challenge looks like! The students have to calculate rational or irrational numbers from the numbers, expressions and equations. It may be difficult for the beginner to crack the game at the beginning. So practice arithmetic exercises first. Also, you have to be thorough with the rules. Despite these challenges, the engagement quotient of this game is phenomenal. Middle school students love to take challenging quizzes and show off their skills. This game offers ample opportunity to do so.

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The plot is gripping and designed to suit the growing kids. For this reason, this game combines fun with learning and stimulates children's interest in solving problems based on rational and irrational numbers effectively. You can make it more interesting by asking kids to play in groups and count irrational numbers that dinosaurs might eat.

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### 7. Find the pi value

Pi easily fascinates any student and forces them to explore it thoroughly. It's a classic example of irrational numbers, useful when learning trigonometry, geometry, derivatives, etc. This game uses Pi's property that its decimal value has no finite end. It takes a lot of perseverance and practice to get the decimal places up to 150 digits, which is why this quiz attracts students who love to do challenging things.

This game is certainly the right thing to improve the numeracy skills of middle school students. It helps deep dive into Pi and prepares you for subjects like astrophysics. Even NASA claims they have used up to15 decimal placesin their calculations, which proves the importance of calculating the pi value as accurately as possible.

## Diploma

Numbers change their names and properties with each level of learning. Rational and irrational numbers are the most realistic representations of numbers, as they help us account for infinitesimally small values ​​that can fall between two specific sizes. Prepare for the higher math problems by first becoming more comfortable with irrational numbers through these games. The way forward becomes pretty easy with such an approach!

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## FAQs

### How do you remember rational and irrational numbers? ›

A rational number includes any whole number, fraction, or decimal that ends or repeats. An irrational number is any number that cannot be turned into a fraction, so any number that does not fit the definition of a rational number.

What grade do you learn irrational numbers? ›

In 8th grade, students move beyond rational numbers to irrational numbers. They understand the concept of decimal expansion and can interpret and find both rational and irrational numbers on a number line.

How did you understand the concept of rational and irrational numbers based on the lesson? ›

What are rational and irrational numbers? Rational numbers are the numbers that can be expressed in the form of a ratio (i.e., P/Q and Q≠0) and irrational numbers cannot be expressed as a fraction. But both the numbers are real numbers and can be represented in a number line.

What is an irrational number math is fun? ›

An Irrational Number is a real number that cannot be written as a simple fraction: 1.5 is rational, but π is irrational.

Why is pie not a rational number? ›

Pi is a number that relates a circle's circumference to its diameter. Pi is an irrational number, which means that it is a real number that cannot be expressed by a simple fraction. That's because pi is what mathematicians call an "infinite decimal" — after the decimal point, the digits go on forever and ever.

How do you explain rational and irrational numbers to children? ›

Rational numbers can be expressed in fractions, where the denominator is not zero. Irrational numbers cannot be expressed in fractions. Rational numbers include perfect squares like 9, 16, 25, 36, 49 etc. Irrational numbers have to be left in their root form and cannot be simplified like 2, 3, 5, 7, 11 etc.

What type of math do 13 year olds learn? ›

Ages 11 to 13 years: Learning math

Solve beginner's algebra and geometry. Work with easy fractions, decimals and percents. Perform more complex math problems with multiple steps. Understand concepts of weights, measures and percentages completely.

Why can 23 be called an irrational number? ›

√23 is a rational number. Since the number is non-terminating non-recurring therefore, it is an irrational number. 1.101001000100001… is a rational number. Which is the irrational number between the rational numbers ?

What is 9th grade math called? ›

9th grade math usually focuses on Algebra I, but can include other advanced mathematics such as Geometry, Algebra II, Pre-Calculus or Trigonometry.

What are 5 examples of irrational numbers? ›

Example: √2, √3, √5, √11, √21, π(Pi) are all irrational.

### What is the importance of irrational number in real life setting? ›

Engineering revolves on designing things for real life and several things like Signal Processing, Force Calculations, Speedometer etc use irrational numbers. Calculus and other mathematical domains that use these irrational numbers are used a lot in real life.

Why are rational numbers important is the concept of rational numbers important in real life? ›

Answer: Normal numbers or rational numbers are required in light of the fact that there are numerous amounts or measures that regular numbers or numbers alone will not enough depict. Estimation of amounts, whether length, mass, or time, is what is going on. This is the significance of nonsensical numbers.

What is the most famous irrational number? ›

And on Pi Day — March 14, or 3/14 — we love to celebrate the world's most famous irrational number, pi, whose first 10 digits are 3.141592653. As the ratio of a circle's circumference to its diameter, pi is not just irrational, meaning it can't be written as a simple fraction.

Why √ 2 is not a rational number? ›

Specifically, the Greeks discovered that the diagonal of a square whose sides are 1 unit long has a diagonal whose length cannot be rational. By the Pythagorean Theorem, the length of the diagonal equals the square root of 2. So the square root of 2 is irrational!

Is √ 2 √ 3 rational or irrational? ›

Thus, √ 2 + √ 3 is irrational.

Why is 0.333 a rational number? ›

=13 is a non-terminating but repeating number that can be written in the form of pqwhere p and q belong to the set of integers and q is not equal to 0, making it a rational number.

Is 0.0 a rational number? ›

This rational expression proves that 0 is a rational number because any number can be divided by 0 and equal 0.

Is 5π a real number? ›

5π is an irrational number.

How do you introduce irrational numbers to students? ›

Irrational numbers have non-terminating and non-repeating decimals. Even though you cannot write non-terminating decimals in their entirety, you can place them on a number line. In the case of irrational roots, you can use perfect squares to help narrow down the location of the irrational value on a number line.

Is √ 5 is an irrational number? ›

Assuming √5 as a rational number, i.e., can be written in the form a/b where a and b are integers with no common factors other than 1 and b is not equal to zero. It means that 5 divides a2. This has arisen due to the incorrect assumption as √5 is a rational number. Therefore, √5 is irrational.

### What is a student friendly definition of irrational numbers? ›

irrational number. • a real number that can be written as. a nonrepeating or nonterminating decimal but not as a fraction, the decimal goes on forever without repeating.

What age can child count to 20? ›

Five-year-olds are transitioning into elementary school mathematics. At this age, a child can often count up to twenty and beyond, and they'll start to apply this knowledge every week at school.

What is the hardest math you can learn? ›

In most cases, you'll find that AP Calculus BC or IB Math HL is the most difficult math course your school offers. Note that AP Calculus BC covers the material in AP Calculus AB but also continues the curriculum, addressing more challenging and advanced concepts.

What is the oldest math subject? ›

A General View of Mathematics. Where did Mathematics Start? We have considered some very early examples of counting. At least one dated to 30,000B.C. Counting is but the earliest form of mathematics.

Why 1.101001000100001 is a irrational number? ›

Answer: The number,1.101001000100001…, is non-terminating non-repeating (non-recurring), it is an irrational number.

Is √ 3 an irrational number? ›

√3 = 1.7320508075688772... and it keeps extending. Since it does not terminate or repeat after the decimal point, √3 is an irrational number.

Is √ 27 a rational number? ›

Thus, for this problem, since the square root of 27, or 5.196, is a non-terminating decimal, so the square root of 27 is irrational.

What grade is 15 years old? ›

What grade is a 14 year old in? ›

What grades are 13 year olds in? ›

Elementary school is kindergarten through 5th grade (ages 5-10), middle school is grades 6-8 (ages 11-13), and high school is grades 9-12 (ages 14-18).

### Is √ 7 rational or irrational? ›

Hence, it is proved that is an irrational number.

Why is 11 an irrational number? ›

As we know that a decimal number that is non-terminating and non-repeating is also irrational. The value of root 11 is also non-terminating and non-repeating. This satisfies the condition of √11 being an irrational number. Hence, √11 is an irrational number.

What are 4 types of irrational numbers? ›

Among irrational numbers are the ratio π of a circle's circumference to its diameter, Euler's number e, the golden ratio φ, and the square root of two. In fact, all square roots of natural numbers, other than of perfect squares, are irrational.

Do irrational numbers repeat? ›

Irrational Number: ↑ A real number that cannot be written as a fraction of two integers . Decimal expansions for irrational numbers are infinite decimals that do not repeat.

Why do irrational numbers go on forever? ›

In mathematics, an irrational number is a real number that cannot be expressed as a ratio of integers, i.e. as a fraction. Therefore, irrational numbers, when written as decimal numbers, do not terminate, nor do they repeat.

Why do students need to learn about rational numbers? ›

The importance of rational numbers

A strong understanding of rational numbers is of critical importance for mathematics achievement in general and for particular domains of the mathematics curriculum.

What are 5 uses of rational numbers in daily life? ›

Distance to be run, time taken to run the distance, number of participants in a race, coming first or second or third, number of heart beats you take every minute etc., are all rational numbers.

Why do students find rational numbers difficult to understand? ›

It is well known that students face significant difficulties in understanding rational numbers (e.g. Smith et al., 2005). Many of these difficulties are due to the improper transfer of properties of natural numbers to rational numbers (Yujing & Yong-Di, 2005; Vamvakousi & Vosniadou, 2004, 2007).

How are rational expressions used in everyday life? ›

Rational equations can be used to solve a variety of problems that involve rates, times and work. Using rational expressions and equations can help us answer questions about how to combine workers or machines to complete a job on schedule.

How do you remember what a rational number is? ›

Numbers that can be written as fractions a/b, where a is an integer and b is a natural number, are called rational numbers. Remember that even an integer like 5 can be written as a fraction by dividing it by 1: 5/1. So you can see that all integers are rational numbers.

### What is the easiest way to know if a number is rational? ›

A rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers. The number 8 is a rational number because it can be written as the fraction 8/1.

Is 8.141141114 rational or irrational? ›

Yes, 8.141141114 is not a rational number . it is a irrational number .

Is √ 2 a rational number? ›

Sal proves that the square root of 2 is an irrational number, i.e. it cannot be given as the ratio of two integers.

Is 36 rational or irrational? ›

Answer and Explanation: Yes, 36 is a rational number. It is also an integer and a whole number.

Is 3.333333333 A rational? ›

Is 3.33333333 a rational number? In fact any decimal number which ends after a limited number of places beyond decimal point, or in which digits repeat endlessly after decimal place, are rational number. Here in 3.33333............ , 3 gets repeated endlessly i.e. till infinity and hence is a rational number.

Is 1.10100100010000 a irrational number? ›

Answer: The number,1.101001000100001…, is non-terminating non-repeating (non-recurring), it is an irrational number.

Why is 1.10100100010000 irrational? ›

x1. 3, 9 Classify the following numbers as rational or irrational: (v) 1.101001000100001 1.10100100010000 It is a non-terminating , non-repeating decimal therefore, it is a irrational number.

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