Practice - Integers, Decimals and Fractions - 09
Hello, maths enthusiasts! Welcome to a delightful quiz on integers, decimals, and fractions. We'll be diving into the wonderful world of numbers, so buckle up and let's get started! Each question has one correct answer. Remember, it isn't about speed, it's about accuracy. Good luck!
1.
Convert the fraction 5⁄8 to a decimal.
0.625
0.58
0.5
0.85
If you divide 5 by 8, you will get 0.625. Thus, the decimal equivalent of 5?8 is 0.625.
2.
A dress costs £46.50, and you have £25. How much more money you need to buy the dress?
£21.50
£20.50
£22.50
£21
If the dress price is £46.50 and you have £25 then, £46.50 - £25 = £21.50. Thus, you need £21.5 more to buy the dress. We only write zeros at the end of decimals when dealing with pounds, as they represent pence.
3.
Convert 0.872 to a fraction.
87⁄100
872⁄1,000
872⁄100
87⁄1,000
To convert a decimal into a fraction, consider the place value. In this case, 0.872 is three digits after the decimal, making it 872?1,000.
4.
What is the value of 1⁄3 × 9?
1
3
27
0.33
1?3 of 9 is 3. So, the correct answer is 3.
5.
Add: 4.06 + 7 = ?
10.06
11.06
11
10
If you add 4.06 and 7, you get 11.06.
6.
What is the decimal equivalent of 3⁄4?
0.75
0.25
0.3
0.35
3 divided by 4 is 0.75. Hence, the decimal equivalent of 3?4 is 0.75.
7.
Which of these is irrational?
2⁄3
4
0.75
Pi
An irrational number cannot be expressed as a simple fraction, and its decimal goes on forever without repeating. Pi is an example of an irrational number.
8.
Which of these is an integer?
1.2
1⁄2
7
Pi
An integer is a whole number, no fractions or decimals included. So, 7 is the right answer.
9.
Subtract: 7 - 4.06 = ?
2.06
3.94
2.94
3
If you subtract 4.06 from 7, you get 2.94.
10.
Which of these is a rational number?
2⁄3
Pi
Square root of 2
Square root of -1
A rational number is a one that can be expressed as a fraction of two integers. So, 2?3 is the right answer.
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