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Year 3 Block A - Counting, partitioning and calculating

A summary of the content for Block A; counting, partitioning and calculating
The text in this diagram identifies the focus of mathematics learning within the block

The objectives for the block are listed in the table - the right hand column indicates how the objectives might be addressed in the units

Objectives

Units

1

2

3

  • Solve one-step and two-step problems involving numbers, money or measures, including time, choosing and carrying out appropriate calculations
   

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  • Describe and explain methods, choices and solutions to puzzles and problems, orally and in writing, using pictures and diagrams

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  • Read, write and order whole numbers to at least 1000 and position them on a number line; count on from and back to zero in single-digit steps or multiples of 10

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  • Partition three-digit numbers into multiples of 100, 10 and 1 in different ways

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  • Round two-digit or three-digit numbers to the nearest 10 or 100 and give estimates for their sums and differences
 

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  • Derive and recall all addition and subtraction facts for each number to 20, sums and differences of multiples of 10 and number pairs that total 100

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  • Add or subtract mentally combinations of one-digit and two-digit numbers

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  • Develop and use written methods to record, support or explain addition and subtraction of two-digit and three-digit numbers
   

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  • Derive and recall multiplication facts for the 2, 3, 4, 5, 6 and 10 times-tables and the corresponding division facts; recognise multiples of 2, 5 or 10 up to 1000
 

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  • Multiply one-digit and two-digit numbers by 10 or 100, and describe the effect
 

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  • Use practical and informal written methods to multiply and divide two-digit numbers (e.g. 13×3, 50÷4); round remainders up or down, depending on the context
   

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