Download Directed numbers levels 5 to 6 lesson

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Enterprise Skills
LESSON OBJECTIVES
Always aim
high!
We are learning to:
- Enhance our Mathematical learning skills.
(Which Enterprise skills?)
- Accurately work out sums involving directed numbers.
(Levels 5-6)
Where are we in
our journey?
AUTHOR
www.mistrymaths.co.uk
Real life
cross/curricular
links?
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Enterprise Skills LEARNING JOURNEY Which ones are you using?
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BRAIN IN GEAR
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TASK
There is something strange about this addition square.
Can you work out what the missing number is?
10
Clock
Logic
Creative
Thinker
PLT Skills
Effective
Participator
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Reflective
Learner
REAL LIFE LINKS
Self
Manager
Team
Worker
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Where are directed numbers used in the real world?
http://www.youtube.com/watch?gl=GB&v=ihSG9mbF3js
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STARTER
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TASK
1) What do you
think the picture to
the left is?
2) What Maths
can you see in the
picture?
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Enterprise Skills DIRECTED NUMBERS Which ones are you using?
MULTIPLY
- 7 X +3 = - 21
DIVIDE
- 9  +3 = - 3
+9 X - 4 = 36
+28 - 4 = - 7
+6 X +7 = + 42
+60 +10 = + 6
-
- 8 X - 2 = + 16
SIGNS TOGETHER
10 + + 3 = 10 + 3 = 13
++=+
-- =+
+- = - += -
- 18  - 2 = + 9
Do NOT use when adding or subtracting:
15 + - 4 = 15 - 4 = 11
+5 - 7 = -2
6 - + 7 = 6 - 7 = -1
-4+5 =1
11 - - 2 =11 + 2 = 13
- 3 - 4 = -7
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Enterprise Skills DIRECTED NUMBERS Which ones are you using?
TASK (LEVELS 5-6)
EXTENSION (LEVEL 6)
1) Below are some number pyramids, the number in
each cell (box) is made by adding together the two
numbers in the cells above. Complete the pyramids
2
-3
4
1
-1
-10
5
-5
7
-4
2
-3
2) Complete the multiplication grid below:

5
4
-9
-2
-2
-10
-8
18
4
-3
-15
-12
27
6
7
35
28
-63
-14
-6
-30
-24
54
12
MINI-PLENARY (SIMPSONS)
Work out:
-5 x -9
a) 45
b) -45
c) -14
d) 14
MINI-PLENARY (SIMPSONS)
Work out:
-5 – 9
a) 14
b) 45
c) -45
d) -14
MINI-PLENARY (SIMPSONS)
Work out:
9 ÷ -2
a) 4.5
b) 4.1
c) -4.1
d) -4.5
MINI-PLENARY (SIMPSONS)
Work out:
8 - - 9
a) 17
b) -1
d) 1
c) -17
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DISCOVERY
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LINK BACK TO OBJECTIVES
- Accurately work out sums involving
directed numbers.
What level
are we
working at?
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Creative
Entrepreneur
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Learner
Reflective
Learner
Team
Worker
Responsible
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Enterprise Skills DIRECTED NUMBERS Which ones are you using?
PLENARY ACTIVITY
TASK
EXTENSION
1
4
What is the magic number?
-9
3
Complete the magic square
What have you learnt?
Draw your brain
In your brain, write or draw everything you can remember about working
out sum with directed numbers. It can be a skill or a reflection, or
something else that might be prominent in your brain.
Where are we
in our
journey?
What level
are we
working at?
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Learner
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Responsible
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Enterprise Skills SELF ASSESSMENT Which ones are you using?
Plenary Activity
How well do you understand the task?
.
I don’t
understand
I nearly
understand
www.mistrymaths.co.uk
I fully
understand
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Enterprise Skills SELF ASSESSMENT Which ones are you using?
Plenary Activity
WWW (What Went Well)
EBI (Even Better If)
On your post it
notes…
Think about how you
can improve your
work.
www.mistrymaths.co.uk