10MAT Numbers Revision Flashcards

1
Q

True or False: The number 0 is a whole number.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the term for a number that can be expressed as a fraction?

A

Rational number

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the value of 10% of 50?

A

5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the value of 7 squared?

A

49

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the least common multiple (LCM) of 6 and 8?

A

24

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Fill in the blank: The factorial of 5 (5!) is ____.

A

120

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the term for the middle value in a set of numbers?

A

Median

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the value of π (pi) approximately?

A

3.14

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the result of 15 divided by 3?

A

5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

True or False: -5 is an integer.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the absolute value of -10?

A

10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the formula for the Pythagorean theorem?

A

a² + b² = c²

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the term for the number of square units that cover a shape?

A

Area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the term for the number that is multiplied by itself in an exponent?

A

Base

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the value of 5 + 6 × 2?

A

17

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the formula for the circumference of a circle?

A

Circumference = 2πr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the median of the numbers: 1, 3, 3, 6, 7, 8, 9?

A

6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is 15% of 200?

A

30

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is a prime number?

A

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the definition of an integer?

A

An integer is a whole number that can be positive, negative, or zero.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

True or False: The number 9 is a perfect square.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is the term for a number that is not divisible by 2?

A

Odd number

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is the next number in the sequence: 2, 4, 6, 8, ____?

A

10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the formula for converting Celsius to Fahrenheit?

A

F = (C × 9/5) + 32

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What is the decimal representation of 3/4?
0.75
26
Calculate 6! (6 factorial).
720
27
What is the value of 3 cubed?
27
28
What is the LCM of 4 and 5?
20
29
What is the result of 9 - 3 + 2?
8
30
Fill in the blank: The square of 10 is ____.
100
31
What does it mean for two numbers to be coprime?
Two numbers are coprime if their GCD is 1.
32
Fill in the blank: The product of any number and zero is ____.
zero
33
What is the value of 2 × (3 + 5)?
16
34
What does GCD stand for?
Greatest Common Divisor
35
What is the sum of the angles in a straight line?
180 degrees
36
What is the square root of 64?
8
37
What is the difference between a rational and an irrational number?
A rational number can be expressed as a fraction of two integers, while an irrational number cannot.
38
True or False: All even numbers are divisible by 2.
True
39
What is the formula for the area of a triangle?
Area = 1/2 × base × height
40
What is the term for a number that is not a fraction?
Whole number
41
Calculate the percentage: What is 25% of 200?
50
42
Calculate the mean of the numbers: 2, 4, 6, 8.
5
43
True or False: The sum of two odd numbers is always even.
True
44
What is the next prime number after 7?
11
45
What is the term for the average of a set of numbers?
Mean
46
Fill in the blank: The sum of the angles in a quadrilateral is ____ degrees.
360
47
True or False: 2 to the power of 3 equals 8.
True
48
What is the term for a number that is divisible by 2?
Even number
49
What is the term for the number that appears most frequently in a data set?
Mode
50
True or False: The number 1 is considered a prime number.
False
51
What is a composite number?
A composite number is a natural number greater than 1 that is not prime, meaning it has divisors other than 1 and itself.
52
What is the mode of the following set of numbers: 2, 3, 4, 4, 5?
4
53
What is the value of 5 - 2 × 3?
-1
54
True or False: 0 is an even number.
True
55
True or False: The product of two negative numbers is positive.
True
56
What is the result of 100 - 45?
55
57
What is the value of 8 ÷ 4 + 3?
5
58
What is the value of 3 + 7 × 2?
17
59
What is the term for a number that has exactly two distinct positive divisors?
Prime number
60
What is the formula for calculating the area of a rectangle?
Area = length × width
61
What is the term for a number with only two factors, 1 and itself?
Prime number
62
What is the decimal equivalent of 1/2?
0.5
63
What is the formula for the area of a circle?
Area = πr²
64
What is the term for the distance around a circle?
Circumference
65
True or False: The mode can be more than one number.
True
66
Find the GCD of 12 and 15.
3
67
Which of the following is a rational number? (a) √2 (b) 1/4 (c) π
1/4
68
What is the value of 12 × 4?
48
69
What is the term for the longest side of a right triangle?
Hypotenuse
70
Fill in the blank: The sum of the interior angles of a triangle is ____ degrees.
180
71
True or False: The sum of any two even numbers is always odd.
False
72
What is the term for a number that cannot be expressed as a fraction?
Irrational number
73
What is an exponent?
An exponent indicates how many times a number, known as the base, is multiplied by itself.