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Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
What is an acute angle?
What is an obtuse angle?
Define each type of angle using the key words below:
- straight line
- right angle
- greater than
- less than
An obtuse angle………………………..
An acute angle………………………….
STARTER:
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Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
What is an acute angle?
What is an obtuse angle?
Define each type of angle using the key words below:
- straight line
- right angle
- greater than
- less than
An obtuse angle is greater than a right angle, but less
than a straight line.
An acute angle is less than a right angle.
STARTER:
![Page 3: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/3.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
How should measure this angle accurately?
TALKING TIME:
Y
X
Z
![Page 4: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/4.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
How should Chen measure this angle accurately?
TALKING TIME:
Y
X
Z
Chen should place the base line of
his protractor on the YZ line. He
should make sure that he reads the
correct scale.
![Page 5: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/5.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
Read the angles measured on the protractors.
ACTIVITY 1:
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Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
Read the angles measured on the protractors.
ACTVITY 1:
160°
130°100°
![Page 7: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/7.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
Can you estimate the size of the angles below?.
TALKING TIME:
![Page 8: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/8.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
Can you estimate the size of the angles below?.
TALKING TIME:
170°
100°
145°
![Page 9: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/9.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
ACTIVITY 2:
1. Without using a protector draw four different acute angles.
2. Estimate the size of each angle.
3. Use a protector to measure your angle accurately.
Were your estimations correct?
![Page 10: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/10.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
ACTIVITY 2:
1. Without using a protector draw four different acute angles.
2. Estimate the size of each angle.
3. Use a protector to measure your angle acutely.
Were your estimations correct?
Make sure:
- you start at 0°
- you read the
correct scale.
![Page 11: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/11.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
Take a look at the shape below. How many obtuse angles can
you count? How many acute angles?
TALKING TIME:
![Page 12: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/12.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
Take a look at the shape below. How many obtuse angles can
you count? How many acute angles?
TALKING TIME:
These are 5 obtuse angles
and 15 acute angles.
![Page 13: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/13.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
Robin says:
‘This angles measures 40°.’
Is Robin correct? Explain.
TALKING TIME:
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Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
Robin says:
‘This angles measures 40°.’
Is Robin correct? Explain.
TALKING TIME:
No. Robin should be reading the
inner scale. The angle is 140°.
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Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
Nisha says:
‘This angle measures 110°’
Is this Nisha correct? Explain.
TALKING TIME:
![Page 16: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/16.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
Nisha says:
‘This angle measures 110°’
Is this Nisha correct? Explain.
Nisha has not started meauring at 0°. This
angle is 100° because 110° - 10° = 100°
TALKING TIME:
![Page 17: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/17.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
Work out the correct angle. Can you explain your answer?
ACTVITY 3:
![Page 18: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/18.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
Work out the correct angle. Can you explain your answer?
ACTVITY 3:
140°
(160° - 20°
= 140°)100°
(150° - 50° =
100°)
90°
(110° - 20° =
90°)
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Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
TALKING TIME:
The pointer moves 100° clockwise. Where will it stop?
What can help you to estimate this?
![Page 20: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/20.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
TALKING TIME:
The pointer moves 100° clockwise. Where will it stop?
What can help you to estimate this?
We know that 100° is 10°
larger than a right angle.
![Page 21: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/21.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
TALKING TIME:
The pointer moves 170° clockwise. Where will it stop?
What can help you to estimate this?
![Page 22: To be able to measure accurately with a protractor (2)fluencycontent2-schoolwebsite.netdna-ssl.com/File...- straight line - right angle - greater than - less than An obtuse angle is](https://reader035.vdocument.in/reader035/viewer/2022070816/5f100d0a7e708231d4473385/html5/thumbnails/22.jpg)
Year 5 Properties of Shape Lesson 3
thirdspacelearning.com Specialist 1-to-1 maths interventions and curriculum resources
To be able to measure accurately with a protractor (2)
Success Criteria:
Mastery:
I can measure accurately
with a protractor to the
nearest degree.
Greater Depth:
I can measure angles
accurately with a
protractor to solve a
variety of different
problems.
01/05/2020
TALKING TIME:
The pointer moves 170° clockwise. Where will it stop?
What can help you to estimate this?
We know that 170° is 10°
less than a straight line.