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Number Sense Workshop One
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Key Messages
Number sense is
about having a
competency with
numbers that is
based on
understanding
rather than reliant
on memorisation
or algorithms
Number sense
can be taught
and developed
with all pupils
in the class
Carefully crafted
number talks are
a powerful
teaching and
learning strategy
to develop
number sense
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• What is Number Sense?
• Counting
• Subitising
• Friendly Numbers
• Classroom Climate
Workshop 1
Overview
• Feedback
• Number Sense for All
• Part/Part/Whole
• More or Less
• Games to develop Number Sense
Workshop 2
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Number Sense
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Number Talks
Concrete Counting
Number Relationships
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Number Talks…
…are best described as classroom conversations around purposefully crafted computation
problems that are solved mentally.
Parrish, 2014
Booklet p.15 - 17
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(Parrish, 2010)
Number Talks
Key Components
Teacher poses purposeful problems
designed to elicit specific
strategies Teacher has a specific learning goal in mind
Can be whole
group or small group
5 - 15
minutes
Pupils collectively
reason about
numbers
Pupils share and defend
solutions and strategies
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What are the key features of the classroom culture?What are pupils doing to figure out the problem?
What strategies showed accuracy, efficiency and flexibility?
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Counting
Page 6 & 7
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Four Relationships for Number Sense
(Van de Walle et al. 2013)
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Subitising and pattern recognition
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Doubles/ Near Doubles
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Context
14
Sean read 8 pages of the BFG on Monday and 9 pages on Tuesday. How many pages has he read altogether?
8 + 9 =
Doubles/ Near Doubles
Handbook, pp.19-20
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Friendly Numbers
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16
Jane cycled 18 kilometres on Monday and 13 kilometres on Tuesday. How many kilometres did she cycle altogether?
18 + 13 =
Bridging Through Ten
Handbook, pp.21-22
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Building within 10 and on to 100
Facts of 10
(Cuisenaire)
•Match the Rod
•Two for One
•Fill the gap
100 Square
•Neighbours Number
•Beat My Number
•Fill in the Blanks
•Missing Number
100 Square
•100 Square Jigsaw
•Coded 100 Square
•Guess My Number
•Give the Dog a Bone
Bead String
•Skip Counting
•Two Digit Addition/Subtraction
•Two Bead Strings
Handbook, pp.21
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HOTS
Success
Classroom Climate
Knowledge is shared
Mistakes are valued
Struggle is productive