3D Shapes - Miss Deely

S2 (2.4) L2 3D Shapes.notebook
October 01, 2014
Daily Practice
8.9.2014
Q1. 617 x 50
Q2. Simplify the ratio 14:35
Today we are going to be learning about 3D shapes
Q3. Calculate the mean and range of 7, 8, 4, 5, 3, 9
and their properties.
Q4. What type of angle is 890?
Q5. Round 78.224 to 1 decimal place
Describing a 3D shape using its properties
8.9.14
Vertex (Corner)
Edge
Vertices (plural)
Face
Daily Practice
9.9.2014
Q1. 324 x 60
Describing a 3D shape using its properties
Task: Glue each of the shapes into your jotter and use the words vertices,
faces and edges to describe each shape.
Q2. Round 81.3 to the nearest unit
Example:
Q3. Find the size of x
8.9.14
x0
310
Q4. Simplify the ratio 18:24
Triangular based pyramid
Properties
4 vertices
4 faces all triangular in shape
Q5. How many lines of symmetry does a rectangle have?
6 edges
S2 (2.4) L2 3D Shapes.notebook
October 01, 2014
Daily Practice
11.9.2014
Q1. Round 81.9 to the nearest unit
Q2. 23.44 x 500
Q3. 182 ÷ 5
Q4. -3 - (-4)
Q5. How many lines of symmetry does a isosceles triangle have?
Today we will be learning about the nets of 3D
shapes and completing the properties.
Homework Due Tomorrow!!
S2 (2.4) L2 3D Shapes.notebook
October 01, 2014
Today we will be building 3D shapes using their
nets
Nets of shapes
11.9.2014
Which can make a cube?
The net of a shape is what the shape would look like if you unfolded it
and flattened it out.
Name these 3D shapes
Daily Practice
Mental Maths
Can you draw nets for the above shapes?
12.9.2014
20 Questions
S2 (2.4) L2 3D Shapes.notebook
October 01, 2014
What is the shape belonging to each net?
Today we will be learning to build shapes given
their net.
Homework Due!!
Building shapes given their net
Daily Practice
16.9.14
Q1.Round73321tothenearestthousand
Q2.Solveforpwhen2p-7=23
Q3.Howmanyedgesdoesacuboidhave?
Q4.Calculatetheareaofatrianglewithbreadth5cmandlength
7cm
Q5.(729÷9)x8
Surface Area of cubes
The surface area of a 3D shape is the area of each of its faces added
together.
Today we will be learning how to calculate the
surface area of a shape.
Example:
S2 (2.4) L2 3D Shapes.notebook
October 01, 2014
Surface Area of a cuboid
Draw the net of the shape to help
Surface Area of a cube
Questions:
Calculate the total surface area of the following
1.
2.
3.
4.
6cm
2cm
4cm
7cm
Daily Practice
18.9.2014
Today we will be calculating surface area
of cuboids.
20 Questions Mental Maths
Surface Area of a cuboid
Surface Area of a cuboid
Questions:
By drawing the nets or otherwise. Calculate the total surface area of
the following
1.
2.
3.
8cm
9cm
7cm
4cm
7cm
3cm
10cm
6cm
4cm
3cm
3cm
5cm
S2 (2.4) L2 3D Shapes.notebook
Daily Practice
October 01, 2014
19.9.2014
Q1. Round 78.22 to the nearest unit
Q2. 78.8 x 90
Today we will be learning about
volume
Q3. Solve 3x - 1 = 20
Q4. How many vertices does a triangular prism have?
Q5. -6 - (-4)
Volume
Volume
The Volume of a shape is the amount of 3 Dimensional space it takes
up. Volume is measured in mm3, cm3 and m3
Examples: Calculate the volume of these shapes
1.
2.
6cm
The volume of a cube/cuboid:
3cm
9cm
5cm
Volume = Length x Breadth x Height
H
B
L
Daily Practice
22.9.2014
Q1. Round 61873 to the nearest thousand
Q2. Solve 2x + 4 = 10
Today we will be learning to calculate the volume of
composite shapes.
Q3. Simplify 3y + 2x + 6y + 5x + y
Homework Online due Friday 26.9.14
Q4. Find the surface area of a cube with a side of length 5cm
Q5. State the rule for the table shown
W 1 2 3 4 5
X 3 6 9 12 15
S2 (2.4) L2 3D Shapes.notebook
October 01, 2014
Volume of composite shapes
A composite shape is a shape made of one or more shapes.
Remember to split your shape up.
Example: Caluclate the volume of this shape
5cm
2cm
9cm
6cm
3cm
15cm
Daily Practice
23.9.2014
Q1. Round 7188.2 to the nearest unit
Q2. Find 50% of 271
Today we will be working out how to find the
Q3. 42 + 12 ÷ 6
length of a missing side of a shape given its
volume.
Homework Due Friday!!
Q4. Solve 3x - 1 = 32
Q5. £40 - £24.19
Volume working backwards
2. Calculate the height of this cuboid if the volume is 5400cm3
Examples:
1. Calculate the breadth of this cuboid if the volume is 120cm3
5cm
8cm
30cm
4cm
S2 (2.4) L2 3D Shapes.notebook
Daily Practice
20 Questions
October 01, 2014
25.9.2014
Today we will be learning about liquid volume
Mental Maths
Homework Due tomorrow!
Liquid Volume
Volume of liquids
Liquid volume as known as capacity.
Liquids are measured using millilitres and litres (Metric)
1cm3 = 1ml
There are _______ millilitres in a litre.
Examples:
Converting to litres/millitres examples:
1. Calculate the capacity of this carton
1. Convert 5.2 litres to millilitres
2. Convert 2600 milliltires to litres
Change
to litres
cartons measure 3cm by
15cm by 7cm.
How many millilitres
will it hold?
S2 (2.4) L2 3D Shapes.notebook
October 01, 2014
Liquid Volume
Examples:
1. Lucas, Freya, Regan
2. Calculate the height of this tank if the capacity is 40Litres
2. Harry, Katie, Lisa, Daniel
3. Matthew, Caitlin, James
4. Jake, Robyn, Ben, Bobby
20cm
5. Hugh, Lucca, Megan, Alex
6. Mairead, Ally, Sukhveer
50cm
7. Duncan, Aimee, Sarah
Daily Practice
Q1. 56 x 800
29.9.2014
Q2. Solve for x when 4x - 1 = 27
Today we will be completing some questions on
capacity and then a check-up on 3D shapes.
Q3. 562 ÷ 5
510
Q4. Find the size of angle x
Homework still owed: Alex, Bobby, Caitlin, Katie,
x0
James, Lucca
Q5. 5 + 6 x 8
Calculate the capacity of the following
10cm
5cm
Cube
7cm
8cm
Calculate the height of the following
Capacity = 2.16L
h cm
20 cm
9 cm