Technology + Singapore Math = Number Sense

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Powerpoint from a NCTM 2012 National Conference session. Because it was an interactive session, the powerpoint isn't too exciting, but it does have links to most of the online tools and apps that we demonstrated in the session.

Transcript

Technology + Singapore Strategies = Number Sense

Cassy TurnerLauri Susi

Jerome Bruner:

enactive iconic symbolic

Singapore Math:

concrete pictorial abstract

Singapore Teaching Model

Assessing

Understanding• Initiating• Abstracting• Schematizing

Transferring

• Applying understanding

Consolidating• Recall with speed & accuracy

Source: Teaching primary school mathematics: A resource book (2009)

Concrete

?

Abstract

Pictorial

7 + 3 =

Concrete

Pictorial

10:15 am11:00

12:00noon

2:00 pm

?

7 + 5 = ?

Conceptua MathIdentify Fractions Tool

Support C-P-A sequence of instruction

Supports composing and decomposing numbers

Multiple visual representations

Provides context, models and numbers

Supports teachers and students

Conceptua Math Fraction Tools

Add Fractions with Common Denominators

Subtract Fractions with Common Denominators

Add Fractions with Uncommon Denominators

Subtract Fractions with Uncommon Denominators

Pattern Blocks

onestenshundreds10

10

10

10

10

10

10

10

1

11 1 11100

100

10

10

10 1

11 1 11

236 + 86

onestenshundreds10

10

10

10

10

10

10

10

1

11 1 11100

100

10

10

10 1

1

1

1 11

236 + 86

10

onestenshundreds10

10

10

10

10

10

10

10

100

100

10

10

10

1

1

236 + 86

10

2

onestenshundreds

10

10

10

10

10

10

10

10

100

100

10

10

10

1

1

236 + 86

10

100

223

Online Base Ten Tools:

36 x 330 6

(30 x 3) + (6 x 3)

36 X 3 18 90108

ones

tenshundreds 10 10

10

10

10 10

10

10

10

1

11

11

1

1

11

11

1

1

11

11

1

ones

tenshundreds 10 10

10

10

10 10

10

10

10

1

11

11

1

1

11

11

1

1

11

11

1

ones

tenshundreds 10 10

10

10

10 10

10

10

10

1

11

11

1

1

11

11

1

1

11

11

1

10

ones

tenshundreds 10 10

10

10

10 10

10

10

10

1

1

1

11

11

1

10

100

53 ÷ 2= ?

tens

22 53 -4 1

10 10 101010

111

53 ÷ 2= ?

tens ones

22 53 -4 13

10

10

101010

111

11

11

1

111

11

53 ÷ 2= ?

tens ones

26 R 12 53 -4 13 -12 1

10

10

1010

11

1 1

1

1 1

11 1

1

1

1

Conceptua Math Multiply Fraction Tools

Multiply to find product of “groups of” items

Multiply to find product of “part of” a group

Conceptua Math Divide Fraction Tools

Partitive: equal shares

Quotative: measurement

Provides number line and area models

Conceptua Math

http://www.conceptuamath.com/fractions.html

Questions?

Contact Us:

cassy@singaporemathsourc

e.com

lsusi@conceptuamath.com

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