This in-depth maths investigation is an open-ended problem solving activity for Year 3 children. It can be used to support teaching towards the objectives :Use different strategies to subtract two numbers.
In-depth Investigation: Magic Square Differences
Children use the magic square to generate two-digit numbers and explore difference patterns.
This investigation will develop maths meta-skills, support open-ended questioning and logical reasoning, and enable children to learn to think mathematically and articulate mathematical ideas.
This problem-solving investigation is part of our Year 3 Addition and Subtraction block. Each Hamilton maths block contains a complete set of planning and resources to teach a term’s worth of objectives for one of the National Curriculum for England’s maths areas.
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A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.
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Use different strategies to subtract two numbers (Year 3 Addition and Subtraction)
This bundle provides three days of teaching that covers the objective: **Use different strategies to subtract two numbers** *Teaching Presentation* The teaching presentation includes starter activities, whole class teaching, group activities, practice sheets and mastery questions. It can be used on a variety of interactive whiteboards. *Practice Worksheets* The procedural fluency practice worksheets are differentiated for children working towards Age Related Expectations (ARE), at ARE and at greater depth. *Problem-Solving Investigation* This in-depth maths investigation will develop maths meta-skills, and enable children to learn to think mathematically and articulate mathematical ideas. *Extra Support* The extra support activity is designed to be used by a teacher or a TA with children who need extra support. This teaching is part of Hamilton’s [Year 3 Addition and Subtraction](https://www.hamilton-trust.org.uk/maths/year-3-maths/addition-and-subtraction-2/) block. Each Hamilton maths block contains a complete set of planning and resources to teach a term’s worth of objectives for one of the National Curriculum for England’s maths areas.
£9.00
Bundle
Problem-Solving Investigations for Year 3 Addition and Subtraction
These in-depth Year 3 Addition and Subtraction problem-solving investigations will develop maths meta-skills, and enable children to learn to think mathematically and articulate mathematical ideas. These open-ended mathematical activities cover the following objectives: * Using number facts to add/subtract * Add/subtract: efficient mental strategies * Using place value to add/subtract * Mental calculation – complements to 100 * Use different strategies to subtract two numbers * Add 3-digit numbers using expanded addition * Subtract 2-digit numbers from numbers over 100 using counting up **In-depth Investigation: Puzzling Squares** Children use reasoning skills to solve a number puzzle. They use numbers 0 to 7 to make a total of 10 on each side of a square. **In-depth Investigation: Twisted Subtractions** Children subtract a number which is the reverse of another, e.g. 62 - 26. **In-depth Investigation: Magic 147** Children arrange the ‘nearly numbers’ in a square so that each row and column adds to Magic 147. **In-depth Investigation: Closest to 100** Following simple rules children find ways to make 100 based on four dice throws. They practise adding four numbers with a total around 100 and use this to find a solution. **In-depth Investigation: Magic Square Differences** Children use the magic square to generate two-digit numbers and explore difference patterns. **In-depth Investigation: Expanded Elevens** Children use base 10 equipment to create 3-digit numbers to add using expanded column addition. **In-depth Investigation: Pattern Subtractions** Children subtract two-digit from three-digit numbers, by counting up, and look out for patterns in the numbers. **In-depth Investigation: Next Door Additions** Children add pairs of three-digit numbers and look for patterns in the digital roots of the answers. These problem-solving investigations are part of our [Year 3 Addition and Subtraction](https://www.hamilton-trust.org.uk/maths/year-3-maths/addition-and-subtraction/) block. Each Hamilton maths block contains a complete set of planning and resources to teach a terms worth of objectives for one of the National Curriculum for England’s maths areas.
£18.00
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