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# Year 2 Block E – Securing number facts, relationships and calculating

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

• Counting on and back from different numbers in 2s, 5s and 10s
• Building up the 2, 5, or 10 times-tables
• Finding half, quarter and three quarters of shapes and sets of objects
• Doubles of numbers to 20 and corresponding halves
• Describing patterns and relationships involving numbers or shapes and testing examples that fit conditions
• Solving problems using counting, the four operations and doubling or halving in practical contexts, including measures or money
• Using the symbols +, −, ÷ and = to describe, record and interpret number sentences
• Multiplication as repeated addition and arrays
• Division as sharing and repeated subtraction (grouping)
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 record the information or calculation needed to solve a puzzle or problem; carry out the steps or calculations and check the solution in the context of the problem
Solve problems involving addition, subtraction, multiplication or division in contexts of numbers, measures or pounds and pence
Present solutions to puzzles and problems in an organised way; explain decisions, methods and results in pictorial, spoken or written form, using mathematical language and number sentences
Represent repeated addition and arrays as multiplication, and sharing and repeated subtraction (grouping) as division; use practical and informal written methods and related vocabulary to support multiplication and division, including calculations with remainders
Use the symbols +, −, ×, ÷ and = to record and interpret number sentences involving all four operations; calculate the value of an unknown in a number sentence (e.g. ☐ ÷ 2 = 6, 30 − ☐ = 24)
Understand that halving is the inverse of doubling and derive and recall doubles of all numbers to 20, and the corresponding halves
Derive and recall multiplication facts for the 2, 5 and 10 times-tables and the related division facts; recognise multiples of 2, 5 and 10
Find one half, one quarter and three quarters of shapes and sets of objects