Engage students in a playful game of subtraction that reinforces mental calculation, strategic thinking, and subtraction skills.
Applies place value, informally, to count, order, read and represent two- and three-digit numbers
Uses mental and written strategies for addition and subtraction involving two-, three-, four- and five-digit numbers
Describes mathematical situations and methods using everyday and some mathematical language, actions, materials, diagrams and symbols
Supports conclusions by explaining or demonstrating how answers were obtained
Uses a range of mental strategies and concrete materials for multiplication and division
Selects and uses appropriate mental or written strategies, or technology, to solve problems
Uses a range of strategies and informal recording methods for addition and subtraction involving one- and two-digit numbers
Uses objects, diagrams and technology to explore mathematical problems
Checks the accuracy of a statement and explains the reasoning used
Uses appropriate terminology to describe, and symbols to represent, mathematical ideas
Uses number bonds and the relationship between addition and subtraction to solve problems involving partitioning
Uses the structure of equal groups to solve multiplication problems, and shares or groups to solve division problems
Applies an understanding of place value and the role of zero to represent numbers to at least tens of thousands
Represents and compares decimals up to 2 decimal places using place value
Selects and uses mental and written strategies for addition and subtraction involving 2- and 3-digit numbers
Completes number sentences involving addition and subtraction by finding missing values
Solve simple addition and subtraction problems using a range of efficient mental and written strategies
Recognise and represent multiplication as repeated addition, groups and arrays
Use a function machine and the inverse machine as a model to apply mathematical rules to numbers or shapes
Investigate number sequences, initially those increasing and decreasing by twos, threes, fives and ten from any starting point, then moving to other sequences
Apply repetition in arithmetic operations, including multiplication as repeated addition and division as repeated subtraction
Count and order small collections of Australian coins and notes according to their value
Explore the connection between addition and subtraction
Recognise and explain the connection between addition and subtraction
Recall and demonstrate proficiency with addition facts to 20; extend and apply facts to develop related subtraction facts
Recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences
Use mathematical modelling to solve practical problems involving additive and multiplicative situations, including money transactions; represent situations and choose calculation strategies; interpret and communicate solutions in terms of the situation
Solve simple addition and subtraction problems using a range of efficient mental and written strategies
Explore the connection between addition and subtraction