ETL123 week 9
5
CHARLES DARWIN UNIVERSITY CHARLES DARWIN UNIVERSITY ETL123 week 9 Place value concepts
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ETL123 week 9. Place value concepts. Counting and bundling. By ones By bundles (tens, hundreds, …) From any number, on and back. Naming and renaming Writing and rewriting. Structuring. ÷ 10. ÷ 10. ÷ 10. ÷ 10. 100 10 2. 10 10 1. 1 10 0. 0.1 10 -1. 0.01 10 -2. × 10. × 10. - PowerPoint PPT Presentation
Transcript of ETL123 week 9
CH
AR
LES
DA
RW
IN U
NIV
ER
SIT
YC
HA
RLE
S D
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WIN
UN
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SIT
Y
ETL123 week 9
Place value concepts
CH
AR
LES
DA
RW
IN U
NIV
ER
SIT
YC
HA
RLE
S D
AR
WIN
UN
IVER
SIT
Y Counting and bundling
• By ones
• By bundles (tens, hundreds, …)
• From any number, on and back
CH
AR
LES
DA
RW
IN U
NIV
ER
SIT
YC
HA
RLE
S D
AR
WIN
UN
IVER
SIT
Y Naming and renamingWriting and rewriting
CH
AR
LES
DA
RW
IN U
NIV
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SIT
YC
HA
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UN
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Y Structuring
100102
10101
1100
0.110-1
0.0110-2
÷ 10 ÷ 10 ÷ 10 ÷ 10
× 10× 10 × 10 × 10
CH
AR
LES
DA
RW
IN U
NIV
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SIT
YC
HA
RLE
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AR
WIN
UN
IVER
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Y Models for place value
• Building models– Popsticks– Unifix cubes– Counters and containers– Graph paper
• Fixed models– LABs– MABs– Money
