Partition a whole into two parts and write as a subtraction equation
I can partition a whole into two parts and express this as a subtraction equation.
Partition a whole into two parts and write as a subtraction equation
I can partition a whole into two parts and express this as a subtraction equation.
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Lesson details
Key learning points
- When the whole and one part of the whole is known, subtraction can be used to find the missing part.
- This can be represented with a subtraction equation.
- The minus sign can be used to show that one part has been split or separated from the whole group.
Keywords
Subtract - To separate or take away one number from another, or to decrease an amount.
Minus sign - The symbol in an equation which shows that a number has been partitioned, taken away or decreased.
Partition - The act of splitting an object or value down into smaller parts.
Known part - A piece or section of the whole that is known.
Unknown part - A piece or section of the whole that is not known.
Common misconception
Children may forget to start with the whole group when writing subtraction equations.
Maintain a strong focus throughout on what the numbers in equations represent. Explore mistakes that are made to clarify understanding.
To help you plan your year 1 maths lesson on: Partition a whole into two parts and write as a subtraction equation, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 1 maths lesson on: Partition a whole into two parts and write as a subtraction equation, download all teaching resources for free and adapt to suit your pupils' needs.
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