Students will subtract one number from another in these cute little Christmas themed subtraction triangles for lower primary.
Describes mathematical situations and methods using everyday and some mathematical language, actions, materials, diagrams and symbols
Uses objects, diagrams and technology to explore mathematical problems
Supports conclusions by explaining or demonstrating how answers were obtained
Uses a range of strategies and informal recording methods for addition and subtraction involving one- and two-digit numbers
Uses appropriate terminology to describe, and symbols to represent, mathematical ideas
Selects and uses appropriate mental or written strategies, or technology, to solve problems
Checks the accuracy of a statement and explains the reasoning used
Uses mental and written strategies for addition and subtraction involving two-, three-, four- and five-digit numbers
Applies place value, informally, to count, order, read and represent two- and three-digit numbers
Uses number bonds and the relationship between addition and subtraction to solve problems involving partitioning
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
Explore the connection between addition and subtraction
Recognise and explain the connection between addition and subtraction
Use a function machine and the inverse machine as a model to apply mathematical rules to numbers or shapes
Solve simple addition and subtraction problems using a range of efficient mental and written strategies
Investigate number sequences, initially those increasing and decreasing by twos, threes, fives and ten from any starting point, then moving to other sequences
Recall addition facts for single-digit numbers and related subtraction facts to develop increasingly efficient mental strategies for computation
Recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences
Recall and demonstrate proficiency with addition facts to 20; extend and apply facts to develop related subtraction facts
Extend and apply knowledge of addition and subtraction facts to 20 to develop efficient mental strategies for computation with larger numbers without a calculator
Explore the connection between addition and subtraction
Recognise and explain the connection between addition and subtraction
Recall addition facts for single-digit numbers and related subtraction facts to develop increasingly efficient mental strategies for computation