Lesson One – Number Puzzles
This maths teaching pack for Key Stage Two gets the children to create and solve a range of different number puzzles using addition and subtraction mental calculation techniques and methods.
The class can work back from different number sums using inverse operations for addition and subtraction to identify the numbers that can solve each of the selected puzzles.
Download this teaching pack including a lesson plan, classroom activities and an interactive presentation to create and solve a range of different number puzzles using addition and subtraction mental calculation techniques and methods
Activities in this teaching pack include a differentiated set of templates to model and record how to solve a range of number puzzles using addition and subtraction mental calculations for inverse operations to work backwards from different sums.
The interactive presentation gets the children to explore how to solve number puzzles using addition and subtraction mental calculation techniques.
This lesson is part of a maths scheme of work to get the children to practise mental and formal written methods of addition and subtraction calculation working with different numbers in millions and decimals. There are teaching activities for shared learning, differentiated worksheets to support independent learning and interactive presentations to introduce concepts and key skills.
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Ordering and Changing
Explore and record how to order three digit numbers by the place value of their digits and how the digits in a number change their numerical values when finding ten and one hundred more or less
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Changing Hundreds
Explore and record the matching number sums that are one hundred more and less than different three digit numbers to show changes to the place values of their numerical digits
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Digit Changes
Identify and record the matching number sums that are ten less than different three digit numbers by illustrating changes to the values of their hundreds, tens and ones digits
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Changing Numbers
Identify and record number sums that are ten more than different three digit numbers using abacus diagrams to model their changing values