Collect Your Lollies - Game of Subtraction
Engage students in a playful game of subtraction that reinforces mental calculation, strategic thinking, and subtraction skills.
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Learning goals
- We are learning to recall addition facts to 20 and apply to related subtraction facts using a range of strategies.
- We are learning to use a range of mental and written strategies to solve simple addition and subtraction problems.
- We are learning to use inverse relationships between addition and subtraction to find unknown values using different strategies.
- We are learning to use counting-on and partitioning to understand the connection between addition and subtraction.
- We are learning to solve problems involving modelling addition, subtraction, equal sharing and grouping, using different strategies.
Curriculum alignment
AC9M3A01
9
Recognise and explain the connection between addition and subtraction as inverse operations, apply to partition numbers and find unknown values in number sentences
AC9M2N06
9
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
AC9M2A02
9
Recall and demonstrate proficiency with addition facts to 20; extend and apply facts to develop related subtraction facts
ACMNA029
8.4
Explore the connection between addition and subtraction
ACMNA030
8.4
Solve simple addition and subtraction problems using a range of efficient mental and written strategies
MA1-4NA
old
Applies place value, informally, to count, order, read and represent two- and three-digit numbers
MA2-5NA
old
Uses mental and written strategies for addition and subtraction involving two-, three-, four- and five-digit numbers
MA1-1WM
old
Describes mathematical situations and methods using everyday and some mathematical language, actions, materials, diagrams and symbols
MA1-3WM
old
Supports conclusions by explaining or demonstrating how answers were obtained
MA2-1WM
old
Uses appropriate terminology to describe, and symbols to represent, mathematical ideas
MA1-6NA
old
Uses a range of mental strategies and concrete materials for multiplication and division
MA2-3WM
old
Checks the accuracy of a statement and explains the reasoning used
MA1-2WM
old
Uses objects, diagrams and technology to explore mathematical problems
MA1-5NA
old
Uses a range of strategies and informal recording methods for addition and subtraction involving one- and two-digit numbers
MA2-2WM
old
Selects and uses appropriate mental or written strategies, or technology, to solve problems
MA2-AR-02
new
Completes number sentences involving addition and subtraction by finding missing values
MA1-CSQ-01
new
Uses number bonds and the relationship between addition and subtraction to solve problems involving partitioning
MA2-AR-01
new
Selects and uses mental and written strategies for addition and subtraction involving 2- and 3-digit numbers
MA2-RN-02
new
Represents and compares decimals up to 2 decimal places using place value
MA2-RN-01
new
Applies an understanding of place value and the role of zero to represent numbers to at least tens of thousands
MA1-FG-01
new
Uses the structure of equal groups to solve multiplication problems, and shares or groups to solve division problems
VCMNA114
Apply repetition in arithmetic operations, including multiplication as repeated addition and division as repeated subtraction
VCMNA111
Count and order small collections of Australian coins and notes according to their value
VCMNA106
Explore the connection between addition and subtraction
VCMNA132
Recognise and explain the connection between addition and subtraction
VCMNA103
Investigate number sequences, initially those increasing and decreasing by twos, threes, fives and ten from any starting point, then moving to other sequences
VCMNA139
Use a function machine and the inverse machine as a model to apply mathematical rules to numbers or shapes
VCMNA108
Recognise and represent multiplication as repeated addition, groups and arrays
VCMNA107
Solve simple addition and subtraction problems using a range of efficient mental and written strategies
Australian Curriculum covers QLD / SA / WA / NT / TAS / ACT.
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