number sense - pdst

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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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Dot Patterns

Sherry Parish

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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