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Closest to 100
Uses number cards 1 to 9 to play a game where the goal for each team is to get as close as possible to a total of 100. A cumulative total of their difference to 100 is kept throughout. Addition and subtraction is used strategically and understanding of place value is involved as players move up towards 100.
|Year level(s)||Year 1, Year 2|
|Purpose||Teaching resource, Student task|
|Keywords||games, addition, subtraction, place value, fluency, reasoning, understanding, explicit teaching|
|Strand and focus||Number, Build understanding|
|Topics||Place value, Addition and subtraction|
|AC: Mathematics content descriptions||
ACMNA015 Represent and solve simple addition and subtraction problems using a range of strategies including counting on, partitioning and rearranging parts
ACMNA029 Explore the connection between addition and subtraction
ACMNA030 Solve simple addition and subtraction problems using a range of efficient mental and written strategies
|National numeracy learning progression||
Additive strategies - AdS4, AdS5, AdS6
NSW Department of Education
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