VC2M3A02
extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator
- partitioning using materials and part-part-whole diagrams to develop subtraction facts related to addition facts, such as 8 + 7 = 15 therefore 15 − 7 = 8 and 15 − 8 = 7
- using partitioning to develop and record facts systematically (for example, ‘How many ways can 12 monkeys be spread among 2 trees?’, 12 = 12 + 0, 12 = 11 + 1, 12 = 10 + 2, 12 = 9 + 3, …), explaining how they know they have found all possible partitions
- understanding basic addition and related subtraction facts and using extensions to these facts; for example, 6 + 6 = 12, 16 + 6 = 22, 6 + 7 = 13, 16 + 7 = 23, and 60 + 60 = 120, 600 + 600 = 1200
- Plus Plan
Jump Strategy Subtraction Game
Learn how to use the jump strategy to solve subtraction problems with a fun subtraction game.
- Plus Plan
Friends of... 1 to 10 - BW
A set of 10 posters showing how different combinations of numbers connect to make the same number.
- Plus Plan
Number Matching Puzzle - Multiplication
A hands-on game to play when learning about multiplying numbers.
- Plus Plan
Doubles - Number Facts Board Game
A fun hands-on game students can play to consolidate their knowledge of doubles.
- Plus Plan
Near Doubles - Number Facts Board Game
A fun hands-on game students can play to consolidate their knowledge of near doubles.
- Plus Plan
Number Matching Puzzle - Division
A hands-on game to play when learning about dividing numbers.
- Plus Plan
Subtracting From 10 – Number Facts Board Game
A fun hands-on game students can play to consolidate their knowledge of subtracting from 10.
- Plus Plan
Making 10 – Number Facts Board Game
A fun hands-on game students can play to consolidate their knowledge of making 10.
- Plus Plan
Doubles Subtraction – Number Facts Board Game
A fun, hands-on game students can play to consolidate their knowledge of doubles subtraction.