Modelling Addition and Subtraction Problems - Presentation
Explore our dynamic presentation guiding students step by step in mastering addition and subtraction story problems through Think Boards. This visually captivating resource offers diverse examples and scaffolded activities, fostering interactive learning through teacher-led discussions. Empower your class with explicit teaching methods, enabling students to demonstrate comprehension through engaging workbook tasks or whiteboard activities.
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Learning goals
- 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 model problems involving addition and subtraction, including simple whole-dollar money problems, in practical role-play situations.
- We are learning to use a range of strategies, to solve simple addition and subtraction 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.
Curriculum alignment
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
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
ACMNA015
8.4
Represent and solve simple addition and subtraction problems using a range of strategies including counting on, partitioning and rearranging parts
ACMNA013
8.4
Recognise, model, read, write and order numbers to at least 100. Locate these numbers on a number line
ACMNA017
8.4
Recognise, describe and order Australian coins according to their value
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
MA1-4NA
old
Applies place value, informally, to count, order, read and represent two- and three-digit numbers
MA1-CSQ-01
new
Uses number bonds and the relationship between addition and subtraction to solve problems involving partitioning
VCMNA089
Represent and solve simple addition and subtraction problems using a range of strategies including counting on, partitioning and rearranging parts
VCMNA094
Recognise the importance of repetition of a process in solving problems
VCMNA087
Recognise, model, read, write and order numbers to at least 100. Locate these numbers on a number line
VCMNA092
Recognise, describe and order Australian coins according to their value
VCMNA090
Represent practical situations that model sharing
Australian Curriculum covers QLD / SA / WA / NT / TAS / ACT.
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