Practice - Integers, Decimals and Fractions - 01
Hey there, future mathematicians! It's time to dive into the number tree. We will be jumping around integers, swimming through decimals, and swinging on the rope of fractions. Are you ready to flex those maths muscles? Let's see if you can conquer these 10 questions below! Remember, there's no rush, take your time and enjoy the process!
1.
Which of the following is a rational number?
Pi
2.35
Square root of 2
Infinity
Rational numbers can be expressed as a fraction of two integers, hence 2.35 is a rational number.
2.
What is 2⁄3 as a decimal rounded to two decimal places?
0.33
0.66
0.67
0.77
2 divided by 3 equals 0.666666, rounded up to two decimal places becomes 0.67.
3.
If you multiply any integer by zero, you get...
1
Zero
The same integer
None of the above
When you multiply any number by zero, the result is zero.
4.
What’s the result of -7 - -3 ?
-10
4
-4
10
Two minuses equal a positive, so -7 - -3 is the same as -7 + 3
5.
In a group of 60 students, 1⁄5 are from London. How many students are from London?
12 students
10 students
15 students
20 students
Since 1⁄5 of 60 equals 12, there are 12 students from London.
6.
What is the integer value of -6 + 3 - 5?
-8
-6
10
4
Calculating -6 + 3 = -3 and further subtracting 5 gives -8.
7.
What is the decimal equivalent of 3⁄5?
0.6
0.5
0.3
0.8
Since 3 divided by 5 equals 0.6, the decimal equivalent of 3⁄5 is 0.6.
8.
Jack has £2.07 and Amy has £1.59. What's the total amount they have together?
£3.68
£3.66
£3.67
£3.56
Adding £2.07 and £1.59 gives a result of £3.66
9.
Which of the following is NOT an integer?
-2
0
5
2.5
2.5 is a decimal, not an integer. Integers include whole numbers such as -2, 0, and 5.
10.
If you divide 3.6 by 0.6, what do you get?
0.6
6
10
36
3.6 divided by 0.6 equals 6, just as 36 divided by 6 equals 6
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