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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.

Additional details

Year level(s) Year 1, Year 2
Audience Student, Teacher
Purpose Teaching resource, Student task
Format Video
Keywords games, addition, subtraction, place value, fluency, reasoning, understanding, explicit teaching

Curriculum alignment

Curriculum connections Numeracy
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 Quantifying numbers
Additive strategies - AdS4, AdS5, AdS6

Copyright details


NSW Department of Education


© State of New South Wales (Department of Education), 2020 Creative Commons Attribution 4.0, unless otherwise indicated.