All flashcards for Year 6 Maths Knowledge
1
Q
As a decimal, how can you represent 1 kilometre in terms of miles (to three decimal places)
A
0.625
2
Q
As a fraction, how can you represent 1 kilometre in terms of miles
A
5/8
3
Q
Complete the blank in the following sentence: To find the [BLANK], add up all the numbers and divide by how many there are.
A
mean
4
Q
Complete the blanks in the following sentence: The mean is a type of average. To find the mean, [BLANK - two words] all the numbers and [BLANK - one word] by [BLANK - four words].
A
mean
5
Q
Fill in the blank in this sentence: [BLANK] is the amount of space inside a 2D shape, usually measured in cm2 or m2
A
Area
6
Q
Fill in the blank in this sentence: [BLANK] is the amount of space a 3D shape takes up, usually measured in cm3 or m3
A
Volume
7
Q
Fill in the two blanks in this sentence: Area is the amount of space inside a 2D shape, usually measured in [BLANK] or [BLANK]
A
cm2 or m2
8
Q
Fill in the two blanks in this sentence: Volume is the amount of space a 3D shape takes up, usually measured in [BLANK] or [BLANK]
A
cm3 or m3
9
Q
Give an example of a composite number?
A
12
10
Q
How many centimetres are there in a metre?
A
100
11
Q
How many days are there in a leap year?
A
366
12
Q
How many days are there in a year (if it isn’t a leap year)?
A
365
13
Q
How many days are there in April?
A
30
14
Q
How many days are there in August?
A
31
15
Q
How many days are there in December?
A
31
16
Q
How many days are there in February (except in a leap year)?
A
28
17
Q
How many days are there in February in a leap year?
A
29
18
Q
How many days are there in January?
A
31
19
Q
How many days are there in July?
A
31
20
Q
How many days are there in June?
A
30
21
Q
How many days are there in March?
A
31
22
Q
How many days are there in May?
A
31
23
Q
How many days are there in November?
A
30
24
Q
How many days are there in October?
A
31
25
How many days are there in September?
30
26
How many degrees are there in a full turn?
360°
27
How many degrees are there in a half turn
180°
28
How many degrees are there in a right angle
90°
29
How many edges does a square-based pyramid have?
8
30
How many edges does a triangular prism have?
6
31
How many edges does a triangular-based pyramid have?
9
32
How many faces does a square-based pyramid have?
5
33
How many faces does a triangular prism have?
4
34
How many faces does a triangular-based pyramid have?
5
35
How many grams are there in a kilogram?
1,000
36
How many kilometres are there in a mile (to one decimal place)?
1.6
37
How many metres are there in a kilometre?
1,000
38
How many millilitres are there in a litre?
1,000
39
How many millimetres are there in a centimetre?
10
40
How many sides does a decagon have?
10
41
How many sides does a heptagon have?
7
42
How many sides does a hexagon have?
6
43
How many sides does a nonagon have?
9
44
How many sides does a octagon have?
8
45
How many sides does a pentagon have?
5
46
How many sides does a quadrilateral have?
4
47
How many vertices does a square-based pyramid have?
5
48
How many vertices does a triangular prism have?
4
49
How many vertices does a triangular-based pyramid have?
6
50
How many weeks are there in a year?
52 [plus 1 day in a normal day or plus 2 days in a leap year]
51
In 3D shapes, what name is given to the flat sides?
faces
52
In 3D shapes, what name is given to the points where "the lines which surround the flat sides" meet?
vertices
53
In 3D shapes, what name is given to what might be called "the lines which surround the flat sides"?
edges
54
In which direction does a horizontal line go?
Sideways
55
In which direction does a vertical line go?
Up and down
56
Name three types of quadrilateral apart from a square and a rectangle?
parallelogram, trapezium, rhombus
57
On a graph which uses co-ordinates to indicate points, is the x-axis horizontal or vertical?
Horizontal
58
On a graph which uses co-ordinates to indicate points, is the y-axis horizontal or vertical?
Vertical
59
The diameter of a circle is how many times bigger than the radius of a circle?
Twice as big
60
What adjective is applied to a line which goes sideways?
Horizontal
61
What adjective is applied to a line which goes up and down?
Vertical
62
What adjective is used to describe a polygon in which all the sides (and therefore all the angles) are equal?
regular
63
What adjective is used to describe a polygon in which not all the sides (and therefore not all the angles) are equal?
irregular
64
What are 1, 2, 3, 4 and 5 cubed, respectively?
1, 8, 27, 64, 125
65
What are 1, 2, 3, 4 and 5 squared, respectively?
1, 4, 9, 16 and 25
66
What are all the factors of the number 12?
1, 2, 3, 4, 6, 12
67
What are the first eight prime numbers?
2, 3, 5, 7, 11, 13, 17, 19
68
What distinguishes 2 and 3 from 1, 4, 6 and 12 as factors of 12?
2 and 3 are the only prime factors of 12 [i.e. factors which happen to be prime numbers]
69
What does it mean to say that a polygon is irregular?
Not all its sides (and therefore not all its angles) are equal
70
What does it mean to say that a polygon is regular?
All its sides (and therefore all its angles) are equal
71
What does it tell you about the number of degrees in an angle if you know that it's an acute angle?
It is less than 90°
72
What does it tell you about the number of degrees in an angle if you know that it's an obtuse angle
It has more than 90° and less than 180°
73
What does it tell you about the number of degrees in an angle if you know that it's a reflex angle
It has more than 180°
74
What is a circumference?
The distance you get when you measure round a circle
75
What is a perimeter?
The distance you get when you measure round any 2D shape apart from a circle
76
What is the decimal equivalent of 1%?
0.01
77
What is the decimal equivalent of 1/100?
0.01
78
What is the decimal equivalent of 1/10?
0.1
79
What is the decimal equivalent of 1/20?
0.05
80
What is the decimal equivalent of 1/2?
0.5
81
What is the decimal equivalent of 1/4?
0.25
82
What is the decimal equivalent of 1/5?
0.2
83
What is the decimal equivalent of 10%?
0.1
84
What is the decimal equivalent of 20%?
0.2
85
What is the decimal equivalent of 25%?
0.25
86
What is the decimal equivalent of 3/4?
0.75
87
What is the decimal equivalent of 5%?
0.05
88
What is the decimal equivalent of 50%?
0.5
89
What is the decimal equivalent of 75%?
0.75
90
What is the definition of a composite number?
A number which has more than two factors
91
What is the definition of a cube number?
The result when a number has been multiplied by itself three times, if by this we mean [number] x [number] x [number]? (A pedant would say that the number has been multiplied by itself and then by multiplied by itself again, and that we should therefore say that it has been multiplied by itself twice.)
92
What is the definition of a factor?
a number that divides exactly into another number
93
What is the definition of a prime number?
A number which has only two factors: 1 and itself?
94
What is the definition of a scalene triangle?
A triangle all of whose sides have different lengths
95
What is the definition of a square number?
The result when a number has been multiplied by itself
96
What is the definition of an equilateral triangle
A triangle all of whose sides have the same length
97
What is the definition of an isosceles triangle?
A triangle which has two sides of the same length
98
What is the definition of parallel lines?
Lines which, however far they are extended, will not meet
99
What is the definition of perpendicular lines?
Lines which are at right angles
100
What is the definition of the diameter of a circle?
The distance from one side of a circle, through the centre, and straight on to the other side
101
What is the definition of the radius of a circle?
The distance from the centre of a circle to the circumference
102
What is the formula for the area of a parallelogram?
base x height
103
What is the formula for the area of a triangle?
(base x height) ÷ 2
104
What is the formula for the volume of a cuboid?
length x width x height
105
What is the fraction equivalent of 0.01?
1/100
106
What is the fraction equivalent of 0.05?
1/20
107
What is the fraction equivalent of 0.1?
1/10
108
What is the fraction equivalent of 0.25?
1/4
109
What is the fraction equivalent of 0.2?
1/5
110
What is the fraction equivalent of 0.5?
1/2
111
What is the fraction equivalent of 0.75?
3/4
112
What is the fraction equivalent of 1%?
1/100
113
What is the fraction equivalent of 10%?
1/10
114
What is the fraction equivalent of 20%?
1/5
115
What is the fraction equivalent of 25%?
1/4
116
What is the fraction equivalent of 5%?
1/20
117
What is the fraction equivalent of 50%?
1/2
118
What is the fraction equivalent of 75%?
3/4
119
What is the percentage equivalent of 0.01?
1%
120
What is the percentage equivalent of 0.05?
5%
121
What is the percentage equivalent of 0.1?
10%
122
What is the percentage equivalent of 0.25?
25%
123
What is the percentage equivalent of 0.2?
20%
124
What is the percentage equivalent of 0.5?
50%
125
What is the percentage equivalent of 0.75?
75%
126
What is the percentage equivalent of 1/100?
1%
127
What is the percentage equivalent of 1/10?
10%
128
What is the percentage equivalent of 1/20?
5%
129
What is the percentage equivalent of 1/2?
50%
130
What is the percentage equivalent of 1/4?
25%
131
What is the percentage equivalent of 1/5?
20%
132
What is the percentage equivalent of 3/4?
75%
133
What is this shape?
A square-based pyramid
134
What is this shape?
A triangular-based pyramid
135
What is this shape?
A triangular prism
136
What kind of triangle is shown here?
Scalene
137
What kind of triangle is shown here?
Isosceles
138
What kind of triangle is shown here?
Equilateral
139
What name is given to a number that divides exactly into another number?
A factor
140
What name is given to a number which appears in another number's times table e.g. 9, 18, 27, 36 and so on in the 9 Times Table?
Multiples
141
What name is given to a number which has more than two factors?
Composite
142
What name is given to a number which has only two factors: 1 and itself?
Prime
143
What name is given to a shape with 10 straight sides?
decagon
144
What name is given to a shape with 4 straight sides?
quadrilateral
145
What name is given to a shape with 5 straight sides?
pentagon
146
What name is given to a shape with 6 straight sides?
hexagon
147
What name is given to a shape with 7 straight sides?
heptagon
148
What name is given to a shape with 8 straight sides?
octagon
149
What name is given to a shape with 9 straight sides?
nonagon
150
What name is given to a shape with a number of straight sides?
polygon
151
What name is given to a triangle all of whose sides have different lengths?
Scalene
152
What name is given to a triangle all of whose sides have the same length?
Equilateral
153
What name is given to a triangle which has two sides of the same length?
Isosceles
154
What name is given to factors which occur when two numbers have factors that are the same e.g. when 1, 2 and 4 are factors of 8 and also factors of 12?
common factors
155
What name is given to lines which are at right angles?
Perpendicular
156
What name is given to lines which, however far they are extended, will not meet?
Parallel
157
What name is given to numbers which appear in more than one other number's times table, for example 12 and 24 as they appear in both the 4 Times Table and the 6 Times Table
common multiples (of 4 and 6 in this case)
158
What name is given to the distance from one side of a circle, through the centre, and straight on to the other side?
Diameter
159
What name is given to the distance from the centre of a circle to the circumference?
Radius
160
What name is given to the distance you get when you measure round a circle?
Circumference
161
What name is given to the distance you get when you measure round any 2D shape apart from a circle?
Perimeter
162
What name is given to the result when a number has been multiplied by itself
A square number
163
What name is given to the result when a number has been multiplied by itself three times, if by this we mean [number] x [number] x [number]?
A cube number
164
What number of degrees must the angles inside a quadrilateral add up to?
360°
165
What number of degrees must the angles inside a triangle add up to?
180°
166
What number of degrees must the angles on a straight line add up to?
180°
167
When points on a co-ordinate graph are represented in the form ([number1], [number2]), which number represents the x-axis?
number1 represents the x-axis
168
When points on a co-ordinate graph are represented in the form ([number1], [number2]), which number represents the y-axis?
number2 represents the y-axis
169
When points on a co-ordinate graph are represented in the form ([number1], [number2]), which number represents the horizontal axis?
number1 represents the horizontal axis
170
When points on a co-ordinate graph are represented in the form ([number1], [number2]), which number represents the vertical axis?
number2 represents the vertical axis
171
Which months have exactly 30 days?
April, June, September, November [i.e. the 4th and 6th months in the year and the 9th and 11th months in the year]
172
Which months have exactly 31 days?
January, March, May, July, August, October, December [i.e. the 1st, 3rd, 5th and 7th months in the year, and the 8th, 10th and 12th months in the year]
173
Which parts of 3D shapes are called 'edges'?
The lines which surround the flat sides
174
Which parts of 3D shapes are called 'faces'?
The flat sides
175
Which parts of 3D shapes are called 'vertices'?
The points where "the lines which surround the flat sides" meet
176
Which type of quadrilateral is shown here?
Parallelogram
177
Which type of quadrilateral is shown here?
Trapezium
178
Which type of quadrilateral is shown here?
Rhombus
179
[BONUS QUESTION] A triangular prism is very similar to the shape of which item of chocolate confectionery?
Toblerone
180
[BONUS QUESTION] Of which word is 'vertices' the plural form?
Vertex
181
[BONUS QUESTION] Which 3D shape is very similar to the shape of a Toblerone?
Triangular prism
