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## Example

Writing the number 5,608 in expanded form means we write out the number as a sum of whole thousands, whole hundreds, whole tens, and ones. You see all of it right from the number:

• It has 5 thousand = 5,000
• It has 6 hundred = 600
• It has 0 tens = 0
• It has 8 ones = 8

Now we write it as a sum: 5000 + 600 + 8

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# Gr. 4 Rainbow Mathematics Book 1

Gr. 4 Rainbow Maths Book 1

## Index

Gr. 4 Rainbow Maths Book 1 Index
Base Ten Counting
Numbers 0 to 1 000
Multiplication
Number patterns
Fractions
Money
Length
Area
Capacity
2-D Shapes and 3-D Objects
Weight (Mass)
Data
Numbers 0 to 1 000
Rounding off to the nearest 10
Rounding off to the nearest 100
Number Sentences

Subtraction
Subtraction Problems
Number patterns
Number patterns: flow diagrams and tables
Multiplication: 2 × to 7 × tables
Multiplication: 8 × and 9 × tables
Multiplication: 1 × and 10 × tables
Time
Calculation of time
Data
Pictographs and bar graphs
2-D shapes
Multiplication: 1-digit by 2-digit and 2-digit by 2-digit
Grouping problems
Numbers 0 to 2 000
Adding by filling in the tens
Subtraction up to 4-digit numbers

Compare and order common fractions
Grouping and Sharing
Fractions: halves to twelfths
Fractions and division
Equivalent and Comparing Fractions
Common fractions
Length
Estimate, measure and compare length
Length conversions
Multiples and rate
Multiplication: 2-digits by 2-digits
Multiplication and approximation
Multiplication: 2-digits numbers by 2-digit
3-D Objects
Faces
Describing and making models of 3-D objects
Investigate geometric patterns

Investigate and extend geometric patterns
Symmetry
Lines of symmetry