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Shoot to Score - Adding 20
2 3 Pre & Primary Essentials Games & Activities Number & Place Value Patterns & Algebras 11 Pages

Shoot to Score - Adding 20

In 'Shoot to Score', students will rely on mental addition strategies to add 20 to 2-digit and 3-digit numbers.

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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 recall multiplication facts for twos and apply to related division facts using doubling and halving.
  • We are learning to explore number sequences by twos, threes, fives and tens from any starting point.
  • We are learning to solve problems involving modelling addition, subtraction, equal sharing and grouping, using different strategies.
  • We are learning to use a range of mental and written strategies to solve simple addition and subtraction problems.
  • We are learning to follow and create number sentences to investigate number patterns and rules and to find emerging patterns.
  • We are learning to describe, continue and create number patterns and use addition and subtraction to identify the rule.

Curriculum alignment

MA1-1WM old Describes mathematical situations and methods using everyday and some mathematical language, actions, materials, diagrams and symbols MA1-2WM old Uses objects, diagrams and technology to explore mathematical problems MA1-3WM old Supports conclusions by explaining or demonstrating how answers were obtained MA1-4NA old Applies place value, informally, to count, order, read and represent two- and three-digit numbers MA2-8NA old Generalises properties of odd and even numbers, generates number patterns, and completes simple number sentences by calculating missing values 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 MA2-2WM old Selects and uses appropriate mental or written strategies, or technology, to solve problems MA2-1WM old Uses appropriate terminology to describe, and symbols to represent, mathematical ideas MA1-5NA old Uses a range of strategies and informal recording methods for addition and subtraction involving one- and two-digit numbers MA1-CSQ-01 new Uses number bonds and the relationship between addition and subtraction to solve problems involving partitioning MA2-MR-02 new Completes number sentences involving multiplication and division by finding missing values MA2-MR-01 new Represents and uses the structure of multiplicative relations to 10 × 10 to solve problems MA2-AR-02 new Completes number sentences involving addition and subtraction by finding missing values MA2-AR-01 new Selects and uses mental and written strategies for addition and subtraction involving 2- and 3-digit numbers MA1-FG-01 new Uses the structure of equal groups to solve multiplication problems, and shares or groups to solve division problems
VCMNA111 Count and order small collections of Australian coins and notes according to their value VCMNA138 Describe, continue, and create number patterns resulting from performing addition or subtraction VCMNA139 Use a function machine and the inverse machine as a model to apply mathematical rules to numbers or shapes VCMNA109 Recognise and represent division as grouping into equal sets and solve simple problems using these representations VCMNA114 Apply repetition in arithmetic operations, including multiplication as repeated addition and division as repeated subtraction VCMNA108 Recognise and represent multiplication as repeated addition, groups and arrays VCMNA103 Investigate number sequences, initially those increasing and decreasing by twos, threes, fives and ten from any starting point, then moving to other sequences 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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