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# Year 4 Block B – Securing number facts, understanding shape

## The focuses of mathematics learning within this block are:

• Sums and differences of multiples of 10, 100, 1000
• Tables to 10 × 10; multiples
• Doubles of 2-digit numbers and multiples of 10, 100; corresponding halves
• Solving one- and two-step word problems involving numbers, money or measures
• Patterns, relationships and properties of numbers and shapes
• Explaining methods and reasoning, orally and on paper, using words diagrams and symbols
• Properties of polygons, including line symmetry
• Visualising 3-D and 2-D shapes
• Nets of common solids
• Using a calculator
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 Unit 1 Unit 2 Unit 3
Identify and use patterns, relationships and properties of numbers or shapes; investigate a statement involving numbers and test it with examples
Solve one-step and two-step problems involving numbers, money or measures, including time; choose and carry out appropriate calculations, using calculator methods where appropriate
Use knowledge of rounding, number operations and inverses to estimate and check calculations
Report solutions to puzzles and problems, giving explanations and reasoning orally and in writing, using diagrams and symbols
Use knowledge of addition and subtraction facts and place value to derive sums and differences of pairs of multiples of 10, 100 or 1000
Identify the doubles of two-digit numbers; use these to calculate doubles of multiples of 10 and 100 and derive the corresponding halves
Derive and recall multiplication facts up to 10 × 10, the corresponding division facts and multiples of numbers to 10 up to the tenth multiple
Draw polygons and classify them by identifying their properties, including their line symmetry
Visualise 3-D objects from 2-D drawings; make nets of common solids