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Transcript
Miss B’s Maths
DIRT Bank
Created by teachers for teachers, to help improve the work life
balance and also the consistent quality of feedback our
students receive.
This aims to be a continuously evolving document.
Please contribute to the DIRT Bank simply emailing you DIRT
question(s) you’ve created and your name/twitter handle to
[email protected] and I will update weekly.
www.missbsresources.com
Template
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Contents
Number
Topic
Contributor
Twitter Handle
Multiplying 3 digit by 1 digit (grid)
Danielle Bartram
@Missbsresources
Multiplying 3 digit by 1 digit (Long)
Danielle Bartram
@Missbsresources
Multiplying 3 digit by 2 digit (grid)
Danielle Bartram
@Missbsresources
Multiplying 3 digit by 2 digit (Long)
Danielle Bartram
@Missbsresources
Multiplying by scalars of 10
Danielle Bartram
@Missbsresources
Multiplying decimals
Danielle Bartram
@Missbsresources
Dividing decimals
Danielle Bartram
@Missbsresources
Functional division 1
Danielle Bartram
@Missbsresources
Functional division 2
Danielle Bartram
@Missbsresources
Addition and subtraction 1
Danielle Bartram
@Missbsresources
Addition and subtraction 2
Danielle Bartram
@Missbsresources
Directed numbers four rules
Danielle Bartram
@Missbsresources
Functional Temperature 1
Danielle Bartram
@Missbsresources
Functional Temperature 2
Danielle Bartram
@Missbsresources
Ordering Decimals
Danielle Bartram
@Missbsresources
Rounding nearest 10
Danielle Bartram
@Missbsresources
Significant Figures
Danielle Bartram
@Missbsresources
Rounding using a calculator 1
Danielle Bartram
@Missbsresources
Rounding using a calculator 2
Danielle Bartram
@Missbsresources
Laws of Indices
Danielle Bartram
@Missbsresources
Inequality Notation 1
Danielle Bartram
@Missbsresources
Inequality Notation 2
Danielle Bartram
@Missbsresources
Solving Inequalities
Danielle Bartram
@Missbsresources
Bounds nearest unit
Danielle Bartram
@Missbsresources
Bounds nearest (1dp)
Danielle Bartram
@Missbsresources
Bounds nearest (1dp)
Danielle Bartram
@Missbsresources
Bounds Area
Danielle Bartram
@Missbsresources
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Contents
Geometry
Topic
Contributor
Twitter Handle
Area and Perimeter (π‘π‘š2 π‘”π‘Ÿπ‘–π‘‘)
Danielle Bartram
@Missbsresources
Area and Perimeter half squares (π‘π‘š2 π‘”π‘Ÿπ‘–π‘‘)
Danielle Bartram
@Missbsresources
Area of a Triangle
Danielle Bartram
@Missbsresources
Area of a Parallelogram
Danielle Bartram
@Missbsresources
Area of a Trapezium
Danielle Bartram
@Missbsresources
Parts of a Circle
Danielle Bartram
@Missbsresources
Circumference of a Circle
Danielle Bartram
@Missbsresources
Area of a Circle
Danielle Bartram
@Missbsresources
Arc Length
Danielle Bartram
@Missbsresources
Area of a Sector 1
Danielle Bartram
@Missbsresources
Area of a Sector 2
Danielle Bartram
@Missbsresources
Perimeter of Rectilinear Shapes
Danielle Bartram
@Missbsresources
Area of Rectilinear Shapes
Danielle Bartram
@Missbsresources
Area of Compound Shapes
Danielle Bartram
@Missbsresources
Volume – Counting Cubes
Danielle Bartram
@Missbsresources
Volume – Cuboid
Danielle Bartram
@Missbsresources
Volume – Triangular Prism
Danielle Bartram
@Missbsresources
Volume – Cylinder
Danielle Bartram
@Missbsresources
Volume – Hemisphere
Danielle Bartram
@Missbsresources
Volume – Sphere/Cone (Ice Cream)
Danielle Bartram
@Missbsresources
Dimensions
Danielle Bartram
@Missbsresources
Surface Area – Cuboid
Danielle Bartram
@Missbsresources
Surface Area – Cylinder
Danielle Bartram
@Missbsresources
Pythagoras – Identify Hypotenuse
Danielle Bartram
@Missbsresources
Pythagoras – Missing Hypotenuse 1
Danielle Bartram
@Missbsresources
Pythagoras – Missing Hypotenuse 2
Danielle Bartram
@Missbsresources
Pythagoras – Missing Short Side
Danielle Bartram
@Missbsresources
Pythagoras – 3D Cuboid
Danielle Bartram
@Missbsresources
Pythagoras – Isosceles Triangle
Danielle Bartram
@Missbsresources
Danielle Bartram
@Missbsresources
Trigonometry – 3D Square-based pyramid
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Contents
Algebra
Topic
Contributor
www.missbsresources.com
Twitter Handle
Contents
Data Handling
Topic
Contributor
www.missbsresources.com
Twitter Handle
Contents
Problem Solving
and Functional
Topic
Contributor
www.missbsresources.com
Twitter Handle
Number
Multiplication
Calculate 273 x 4
Calculate 247 x 3
×
4
800
70
3
Calculate 247 × 3
Calculate 273 × 4
2 7
3
1
4
×
2
Complete the
multiplication and
add the exchanged
(carried) numbers.
Calculate 354 × 27
×
Calculate 634 × 52
20
300
2100
1000
4
Calculate 354 × 27
3 5
4
2
7
2 4 7
8
0
×
+
Calculate 634 × 52
Complete the
multiplication and
add the exchanged
(carried) numbers.
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Number
Multiplication
Calculate 3.9 × 100
Th
Calculate 2.7 × 1000
H T U . 1
10
3
3
. 9
Calculate 0.97 × 100
.
Fill in the gaps. Calculate 15 × 0.6
9 x 0.3
Show all working out.
9 x 3 = 27
1dp in the question, so 1dp in
the answer
Calculate 0.15 × 0.6
9 x 0.3 = 2.7
Show all working out.
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Number
Division
The school minibus seats 14 children. 60
children need to go to the cricket tournament.
How many times must the bus make the trip.
60 ÷ 14 =
14
14
14
14
?
The school minibus seats 14 children. 365
children need to go to the cricket tournament.
How many times must the bus make the trip.
365 ÷ 14 =
50 people are going to a meeting in the
school hall. We need chocolate brownies for
everyone but they come in packs of 6.
How many packs do we need to buy?
359 people are going to a meeting in the
school hall. We need chocolate brownies for
everyone but they come in packs of 6.
How many packs do we need to buy?
14
Answer:
Calculate 518 ÷ 0.7
Calculate 245 ÷ 0.4
Show all working out.
Show all working out.
0.7 518
7 5180
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Number
Addition and Subtraction
Addition
Subtraction
Work out the following.
4
+3
Addition
+
3
1
6
8
Subtraction
7
5
βˆ’
5
3
8
2
4
7
2
6
5
6
8
5
7
2
4
7
Work out the following.
4
+3
1
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2
6
4
7
5
5
7
2
4
7
Number
Directed Numbers
How much
Factor 1
is this?
+ + +
-
2
1
0
Factor 2
+
+
--
--
--
+
+
--
Product
Overnight, the temperature
dropped from 2 ºC to -4 ºC.
By how many degrees did the
temperature fall?
-1
-2
+4 – +3 =
+4 – –3 =
+4 + –3 =
– 4 – +3 =
– 4 – –3 =
– 4 + –3 =
+5 × +3 =
–5 × +3 =
–5 × β€“3 =
+6 ÷ –2 =
–6 ÷ –2 =
One day the level of the water in a
river was 8cm above its average level.
One week later it was 6cm below its
average level.
How far did the water level drop in
the week?
-3
-4
1
0
-1
-2
-3
-4
-5
The table shows the temperatures
in four cities. Calculate the
difference between he highest and
lowest temperature.
Highest:
London
0π‘œ 𝐢
Lowest:
π‘œ
Moscow
βˆ’9 𝐢
Difference:
Paris
6π‘œ 𝐢
Berlin
At 7am, Joe recorded the temperature in his
garden as being βˆ’4°C. He went back outside
at 1pm and found that the temperature had
increased by 12°C. What was the
temperature at 1pm?
βˆ’3π‘œ 𝐢
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Number
Place Value
Place the decimals in ascending order.
Units
.
1
10
1
100
1
1000
0
.
4
5
0
.
0
0
4
0
.
4
0
5
0
.
5
Place the decimals in ascending order.
0.602, 0.26, 6.02, 0.026, 0.06, 0.6
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Number
Rounding
73
70
73 rounded to the nearest ten is 70,
because 73 is closer to 70 than to 80.
76
80
1) Round 148 miles to the nearest
hundred miles.
2) To the nearest 10p how much is
in Sian’s purse?
76 goes up to 80, because 76 is closer
to ____ than to _____.
3.9 + 4.1
7
1.14285714
Round to 2
significant figures.
Calculate
11.7βˆ’3.1
9.6βˆ’2.4
Write down the full calculator display.
Round to 3 significant figures.
Place holder
9.83βˆ’1.622
Calculate
23.8βˆ’4.47×5.12
Calculate
Work out the numerator:
8.95+ 7,84
2.03×1.49
Write down the full calculator display.
Work out the denominator:
Write down the full calculator display.
Round the following numbers
to 3 significant figures.
Third
1)
significant
figure Place
holder
2)
35260
2.347
Correct to 3 significant figures.
Round the following numbers
to 3 significant figures.
1)
2)
3)
4)
3568
42062
0.024537
0.0034078
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Number
Indices
Fill in the missing gaps.
34 × 37 = 3
29 ÷ 25 = 2
2βˆ’1
1
=
2
=3
58 × 56 = _________
=2
79 × 7βˆ’3 = _________
412 ÷ 43 = _________
6βˆ’1 = _________
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Number
Inequalities
Match the inequality notation with the
correct definition.
<
Less than or equal to
β‰₯
≀
Greater than
Greater than or equal to
>
Less than
Match the inequality notation with the
correct definition.
β‰₯
Greater than
<
Less than or equal to
≀
Less than
>
Greater than or equal to
Find the maximum and minimum
values for π‘₯ when 15 < 5π‘₯ < 20.
What is the largest and smallest value
π‘₯ can be?
Minimum
Maximum
a) βˆ’5 < π‘₯ ≀ 2
b)βˆ’3 ≀ π‘₯ ≀ 0
c) βˆ’9 < π‘₯ < βˆ’1
What is the largest and smallest value
π‘₯ can be?
Minimum
Maximum
a) βˆ’4 < π‘₯ ≀ 3
b)βˆ’5 ≀ π‘₯ < 0
c) βˆ’8 < π‘₯ < βˆ’1
Find the maximum and minimum values
for π‘₯ when 20 < 4π‘₯ < 56.
15 < 5π‘₯ < 20
3< π‘₯ <4
Minimum: _______
Minimum: _______
Maximum: _______
Maximum: _______
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Number
Bounds
Lower Bound
21.5m
Upper Bound
22.5m
Amjad’s height is given as 162cm,
correct to the nearest cm. Between
which limits does Amjad’s height
lie?
A fence is
m long to the
nearest metre.
Lower Bound
£1.55
Upper Bound
£1.65
A box is 8.5cm wide measured to
the nearest tenth of a cm. What
are the upper and lower bounds?
A Krispy Crème doughnut
costs £
to the nearest
10p.
Lower Bound
£1.45
Upper Bound
£1.55
A box is 10.6cm wide measured to
the nearest tenth of a cm. What
are the upper and lower bounds?
A Krispy Crème doughnut
costs £
to the nearest
10p.
A rectangle has a length of 20cm and height of
30cm to the nearest 10cm. What is the
maximum and minimum area of the rectangle?
Minimum
Length
Width
Area
The dimensions of a piece of carpet are given as
127cm x 68cm. Both lengths are correct to the
nearest cm. Between what limits does the area of the
carpet lie?
Maximum
25cm
25cm
875π‘π‘š2
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Geometry
Area and Perimeter
Complete the sentences
Area is the _____ of a shape.
Find the area and perimeter of the
shaded shape.
Perimeter is the ________ of
a shape.
Complete the sentences
Count the _________ to find
the area.
Find the area and perimeter of this
shape.
Count the _________ to find
the perimeter.
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Geometry
Area and Perimeter
Calculate the area of the triangle.
Calculate the area of the triangle.
8 π‘π‘š
6 π‘π‘š
𝟐
Area=______π’„π’Ž
11 π‘π‘š
1
2
Area = × π‘π‘Žπ‘ π‘’ × β„Žπ‘’π‘–π‘”β„Žπ‘‘
5 π‘π‘š
Area=__________
Calculate the area of the parallelogram.
8 π‘π‘š
A right angled triangle is translated to
the position shown to make a rectangles.
The formula for the area of a parallelogram
is the _________ as a rectangle.
Half the _____ of the
parallel sides.
________ the distance
between them.
That is how you calculate,
area of a ___________.
11π‘π‘š
Calculate the area of the trapezium.
6 π‘π‘š
5 π‘π‘š
10 π‘π‘š
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Geometry
Circles
Match the key terms to the diagrams.
Complete the sentences
The radius is _______ the
diameter.
Diameter
Circumference
The diameter is _______ the
radius.
Radius
Calculate the circumference of the circle. Calculate the circumference of the circle
10 π‘π‘š
Radius=
Diameter=
12 π‘π‘š
Circumference= πœ‹π‘‘
Circumference= πœ‹ × diameter
Circumference=______𝒄m
Circumference=______
Calculate the area of the circle.
Calculate the area of the circle.
Radius=
3π‘π‘š Diameter=
4 π‘π‘š
Area = πœ‹π‘Ÿ 2
Area = πœ‹ × π‘Ÿπ‘Žπ‘‘π‘–π‘’π‘  × π‘Ÿπ‘Žπ‘‘π‘–π‘’π‘ 
Area = πœ‹ × 3 ×
Area =______π’„π’ŽπŸ
Area =______
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Geometry
Circles
The formula for circumference in
terms of radius is 2πœ‹π‘Ÿ
Calculate the arc lengths.
A
The expression for arc length is
B
Calculate the arc length AB.
360
× 2 × πœ‹ × 10
The formula for the area of a
circle is
Calculate the area of the sectors.
A
The formula for the area of a
sector is
B
Calculate the area of the sector.
360
× πœ‹ × 10
2
The formula for the area of a
circle is
A
The formula for the area of a
sector is
B
Calculate the area of the sector.
× πœ‹ × 10
2
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Geometry
Area and Perimeter
Find the perimeter of the shape.
Not to scale.
b
Not to scale.
Length a = 15 -6
=____
Length b = 11 =____
Perimeter=_____cm
Perimeter=______
12 π‘π‘š
11 π‘π‘š
5 π‘π‘š Find the area of the shape.
14 π‘π‘š
15 π‘π‘š
Not to scale.
6 π‘π‘š
6 π‘π‘š
b
Area a = 5 ×
=____
Area b = 6 × 11
=____
Find the area of the shape.
7 π‘π‘š
Not to scale.
a
6 π‘π‘š
6 π‘π‘š
15 π‘π‘š
a
Find the perimeter of the shape.
7 π‘π‘š
14 π‘π‘š
5 π‘π‘š
Area=____π’„π’ŽπŸ
11 π‘π‘š
12 π‘π‘š
Calculate the total area.
Calculate the total area.
The formula for area of a circle is_______
Area A = ___ x ___ =______π‘π‘š2
B
20 cm
5 cm
A
πœ‹_____2
Diagram not drawn accurately.
10 cm
πœ‹π‘Ÿ 2
Area B =
=
=_____π‘π‘š2
2
2
Total area= Area A + Area B
= _____+______
=________π‘π‘š2
10 cm
Diagram not
drawn accurately.
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Area=______
Geometry
Volume
Find the volume of the solid prism.
Here is a solid prism made from centimetre
cubes.
Volume:_____π’„π’ŽπŸ‘
Find the volume of the solid prism.
Calculate the volume of the cuboid.
Calculate the volume of the cuboid.
4 π‘π‘š
4 π‘π‘š
Volume = length × width × height
3π‘π‘š
7π‘π‘š
Volume=______π’„π’ŽπŸ‘
Volume=______
CSA is an abbreviation for cross sectional ________.
Calculate the volume of the cylinder.
5 cm
CSA =
4 ×____
2
4 cm
4 cm
6 cm
5 cm
Volume = CSA x
5 cm
Volume = ____ x 10
= _____π‘π‘š3
Find the volume of the cylinder.
4cm
10cm
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Geometry
Volume
Calculate the surface area of the
sphere.
2
SA=4πœ‹π‘Ÿ
Calculate the surface area of the sphere
hemisphere with a radius of 8cm.
8cm
10cm
Calculate the volume of this
strawberry ice cream and cone.
Clearly show all working out.
The formula for the volume of a sphere
is
The formula for the volume of a cone is
Area is measured in units
_______, because it has ____
dimensions.
a, b and c are representations of lengths.
Which expressions represent volume?
π‘Ž2 𝑏
Volume is measured in units
_______, because it has ____
dimensions.
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𝑏(π‘Ž2 + 𝑐)
2π‘Žπ‘π‘
4πœ‹π‘3
Geometry
Surface Area
Surface area is the area of each face
added together.
Sketch a net of the prism before calculating the
surface area to help you visualise the faces, Include
Write the
dimensions.
A
3cm
B
C
C
4cm
A
B
A
dimensions on the
net.
3cm
Calculate the surface area of the cuboid.
4cm
Diagram not
drawn accurately.
C
B
What is the completed formula for the surface area
of a cylinder?
Find the surface area of the cylinder.
πœ‹π‘Ÿ 2
β„Ž
Circumference = πœ‹ × π‘‘π‘–π‘Žπ‘šπ‘’π‘‘π‘’π‘Ÿ
4cm
πœ‹π· × β„Ž
10cm
πœ‹π‘Ÿ 2
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Geometry
Pythagoras
Accurately label the hypotenuse
with a C on each of these triangles.
Pythagoras’ theorem is
+
=
The hypotenuse is the
___________ side. It is also the
side opposite the ________ angle.
Pythagoras’ theorem is
+
=
𝑐 = 4
2
+3
Pythagoras’ theorem is
+
=
𝑐 = 4
2
+3
Calculate the missing lengths.
(Clearly show all working out)
2
12cm
𝑐 2 = 16 + 9 =
𝑐 = 25 … =
To find the length of a shorter side in a right-angled
triangle we rearrange Pythagoras’ theorem.
π‘Ž
Pythagoras’ theorem is
=
𝑏 =
𝑐
2
2
βˆ’
2
βˆ’
2
Calculate the missing lengths of the shorter
sides. (Clearly show all working out)
𝑧
𝑏
4.2 cm
2
𝑀
9cm
𝑏2 = 9
π‘Ž2 =
π‘₯
12 cm
2
+
π‘₯
6cm
𝑏2 = 9
π‘Ž2 = 16
𝑀
8cm
𝑐 2 = 16 + 9 =
𝑐 = 25 … =
π‘Ž2 = 16
7 cm
2
10 cm
2
Calculate the missing hypotenuse lengths.
(Clearly show all working out)
𝑦
12 cm
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Geometry
Pythagoras and Trigonometry Problems
Pythagoras’ theorem is
Second diagonal
+
Calculate the length of the line segment AF.
=
2cm
Remember to find a
logical order to
answering the question.
3cm
6cm
First diagonal
What is the formula for area of a
triangle?
Calculate the are of the triangle.
16 cm
π‘π‘œπ‘ πœƒ =
π‘‘π‘Žπ‘›πœƒ =
Calculate the angle between the length AE and the
base ABCD in the pyramid pictured below, giving
your answer to 1 decimal place.
Opposite
Remember
π‘œπ‘π‘
π‘ π‘–π‘›πœƒ =
β„Žπ‘¦π‘
πœƒ
Adjacent
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