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Mental Addition Strategies Posters
1 2 Pre & Primary Essentials Resources Mathematics Fractions & Decimals Number & Place Value Money Patterns & Algebras 10 Pages

Mental Addition Strategies Posters

This colourful and detailed set of posters outlines nine common strategies used to solve mental addition problems.

- Turnarounds
- Make Ten
- Looking for Tens
- Use Ten
- Add Ten
- Doubles
- Near Doubles
- Split Strategy
- Jump Strategy

They are designed to be used as a point of reference to assist students when tackling addition problems. A fantastic diplay for any lower primary school classroom.

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Learning goals

  • We are learning to use a range of strategies, to solve simple addition and subtraction problems.
  • We are learning to add and subtract numbers within 20, using a variety of strategies, e.g. counting on, counting back, partitioning, subitising and part-part whole knowledge of numbers to 10 and to use the language of 'plus' and 'minus' in story problems.
  • We are learning to read, write, model and represent numbers to 100 in different ways and on number lines.
  • We are learning to recognise Australian coins according to their value.
  • We are learning to model problems involving addition and subtraction, including simple whole-dollar money problems, in practical role-play situations.
  • We are learning to read, write, name and order two-digit numbers to at least 120 using concrete materials, hundred charts and number lines.
  • We are learning to solve problems involving modelling addition, subtraction, equal sharing and grouping, using different strategies.
  • 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.

Curriculum alignment

AC9M1N05 9 Use mathematical modelling to solve practical problems involving additive situations, including simple money transactions; represent the situations with diagrams, physical and virtual materials, and use calculation strategies to solve the problem AC9M2A02 9 Recall and demonstrate proficiency with addition facts to 20; extend and apply facts to develop related subtraction facts 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 AC9M1N06 9 Use mathematical modelling to solve practical problems involving equal sharing and grouping; represent the situations with diagrams, physical and virtual materials, and use calculation strategies to solve the problem AC9M1N01 9 Recognise, represent and order numbers to at least 120 using physical and virtual materials, numerals, number lines and charts AC9M1N04 9 Add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of calculation strategies ACMNA017 8.4 Recognise, describe and order Australian coins according to their value ACMNA013 8.4 Recognise, model, read, write and order numbers to at least 100. Locate these numbers on a number line ACMNA015 8.4 Represent and solve simple addition and subtraction problems using a range of strategies including counting on, partitioning and rearranging parts ACMNA030 8.4 Solve simple addition and subtraction problems using a range of efficient mental and written strategies
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 MA1-5NA old Uses a range of strategies and informal recording methods for addition and subtraction involving one- and two-digit numbers MA1-7NA old Represents and models halves, quarters and eighths MA1-6NA old Uses a range of mental strategies and concrete materials for multiplication and division MA1-4NA old Applies place value, informally, to count, order, read and represent two- and three-digit numbers MA1-FG-01 new Uses the structure of equal groups to solve multiplication problems, and shares or groups to solve division problems MA1-RWN-01 new Applies an understanding of place value and the role of zero to read, write and order two- and three-digit numbers MA1-CSQ-01 new Uses number bonds and the relationship between addition and subtraction to solve problems involving partitioning
VCMNA090 Represent practical situations that model sharing VCMNA092 Recognise, describe and order Australian coins according to their value VCMNA087 Recognise, model, read, write and order numbers to at least 100. Locate these numbers on a number line VCMNA094 Recognise the importance of repetition of a process in solving problems VCMNA091 Recognise and describe one-half as one of two equal parts of a whole VCMNA089 Represent and solve simple addition and subtraction problems using a range of strategies including counting on, partitioning and rearranging parts VCMNA107 Solve simple addition and subtraction problems using a range of efficient mental and written strategies VCMNA108 Recognise and represent multiplication as repeated addition, groups and arrays 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 VCMNA103 Investigate number sequences, initially those increasing and decreasing by twos, threes, fives and ten from any starting point, then moving to other sequences

Australian Curriculum covers QLD / SA / WA / NT / TAS / ACT.

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