MathematicsCore concepts
Interactive example
Interactive exampleClick a button to highlight its place in the expression
Click a term to highlight it in the expression
Formulas
Diagrams
Worked example
Example
Solution
Worked example
Example
Solution steps
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Answer
Worked example
Example
Solution steps
- 1
- 2
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Answer
Worked example
Example
Solution steps
- 1
- 2
- 3
- 4
- 5
Answer
Exercises
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Common misconceptions
Glossary
- Addend
- Sum
- Carry
Practice set
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4True / False
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5Single choice
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