Make 10
In this lesson, we will learn how to use the "Make ten strategy" to add ones.
Unit Overview: Addition and subtraction of 2-digit numbers (regrouping and adjusting)
Lessons:
15 lessons
Adding two digit numbers and ones with regrouping
In this lesson, we will learn how the make ten strategy can help us add two digit numbers with one digit numbers.
Adding two digit numbers with regrouping
In this lesson, we will learn how to add two, two digit numbers by partitioning one number and partitioning both numbers.
Adding two digit numbers involving regrouping
In this lesson, we will learn how to add 2 digit numbers by partitioning one or both numbers.
Using the Make 10 strategy to subtract ones
In this lesson, we will learn how to use the "Make 10" Strategy to help us subtract ones from 2 digit numbers.
Subtracting a 2 digit number and ones with regrouping
In this lesson, we will learn how to subtract two digit numbers and ones with regrouping by using a part whole model to help us.
Subtracting 2 digit numbers involving regrouping
In this lesson, we will learn how to subtract two digit numbers by using dienes cubes to represent our mental calculations.
Subtracting 2 digit numbers with regrouping
In this lesson, we will learn how to subtract 2 digit numbers using number lines to represent our mental calculations.
Word problems: Whole-part models
In this lesson, we will learn how to use whole-part models to help us solve addition and subtraction word problems.
Word Problems: Bar models
In this lesson, we will learn how to solve addition and subtraction word problems with the help of bar models.
Round and Adjust with Addition
In this lesson, we will learn how to use the "Round and Adjust" strategy to help us solve addition equations.
Round and Adjust with Subtraction
In this lesson, we will learn how to use the "Round and Adjust" strategy to help us solve subtraction equations.
Near doubles
In this lesson, we will learn how to add near doubles.
Mixed Strategies for Addition and Subtraction
In this lesson, we will solve addition and subtraction equations using a variety of strategies.
Addition and Subtraction Word Problems
In this lesson, we will solve addition and subtraction word problems.
Units in Maths
- Numbers to 10
- Addition and subtraction within 10
- Shape and patterns
- Numbers to 20
- Addition and subtraction within 20
- Time
- Exploring calculation strategies within 20
- Numbers to 50
- Addition and subtraction within 20 (comparison)
- Fractions
- Measures (1): Length and mass
- Numbers 50 to 100 and beyond
- Addition and subtraction (applying strategies)
- Money
- Multiplication and division
- Measures (2): Capacity and volume
- Addition and Subtraction
- Multiplication and money
- Numbers within 100
- Addition and subtraction of 2-digit numbers
- Addition and subtraction word problems
- Measures: Length
- Graphs
- Multiplication and division: 2, 5 and 10
- Time
- Fractions
- Addition and subtraction of 2-digit numbers (regrouping and adjusting)
- Money
- Faces, shapes and patterns; lines and turns
- Numbers within 1000
- Measures: Capacity and volume
- Measures: Mass
- Exploring calculation strategies
- Multiplication and division: 3 and 4
- Multiplication: equal and unequal groups
- The two times table
- Doubling and halving
- Addition and subtraction within 10
- Exploring calculation strategies within 20
- Money
- Measures
- 2-D shape, perimeter and area
- Numbers to 50
- Manipulating and calculating with fractions
- Fractions
- Fractions and decimals
- Conceptualising and comparing fractions
- Numbers 50 to 100 and beyond
- Reasoning with large whole numbers
- Converting units of measure
- Numbers to 10
- Solving measure and money problems
- Addition and subtraction within 20
- Addition and subtraction (applying strategies)
- Numbers within 1000
- Place value
- Problem solving with integer addition and subtraction
- Volume
- Positive and negative numbers
- Numbers within 10
- Numbers within 15
- Addition and subtraction within 20
- Measures (1): Length and mass
- Measures (2): Capacity and volume
- Addition and subtraction of 2-digit numbers
- Fractions
- Multiplication and division
- Multiplication and division
- Axioms and arrays
- Prime factor decomposition
- Indices and standard form
- Time
- Addition and subtraction of 2-digit numbers (regrouping and adjusting)
- Area and perimeter
- Numbers and numerals
- Percentages
- Fractions
- Measures: Length
- Numbers beyond 20
- Time
- Securing multiplication facts
- Addition and subtraction within 10
- Measures: Mass
- Number sense and exploring calculation strategies
- Addition and subtraction
- Securing multiplication and division
- Position and Direction
- Pattern and Early Number
- Addition and subtraction word problems
- Fractions
- Decimals
- Multiplication and division: 3 and 4
- Multiplication and division: 2, 5 and 10
- Measures: Capacity and volume
- Addition and subtraction
- Extending calculation strategies and additive reasoning
- Deriving multiplication and division facts
- Calculating with whole numbers and decimals
- Integers & Decimals
- Multiplication and division
- Grouping and Sharing
- Surds and trigonometry
- Numbers within 6
- Numbers within 100
- Exploring calculation strategies
- Time
- Exploring calculation strategies and place value
- Multiplication and division
- Factors and multiples
- Graphs
- Graphs
- Reasoning with 4-digit numbers
- Reasoning with patterns and sequences
- Calculation problems
- Numbers within 20
- Money
- Multiplication and division
- Fractions, decimals and percentages
- Decimals and measures
- Early Mathematical Experiences
- Order of operations
- Depth of numbers within 20
- Numbers to 20
- Addition and subtraction within 20 (comparison)
- Addition and subtraction within 6
- Accuracy and estimation
- Money
- Length and perimeter
- Fractions
- Fractions
- Problem solving with whole numbers and decimals