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Email: enigmamathshub@denbigh.net

Address

Denbigh School, Milton Keynes, Burchard Crescent, Shenley Church End, MK5 6EX

Key Messages:

  • Small connected steps are easier to take.

  • Focusing on one key point each lesson allows for deep and sustainable learning.

  • Certain images, techniques and concepts are important pre-cursors to later ideas. Getting the sequencing of these right is an important skill in planning and teaching for mastery.

  • When introducing new ideas, it is important to make connections with earlier ones that have already been understood.

When something has been deeply understood and mastered, it can and should be used in the next steps of learning.

For example:

Before teaching the expansion of 2 brackets pupils need to:

  • understand that a product of two elements where each element is made up of two parts can be shown as four partial products as in 43 × 24 = (40 + 3) × (20 + 4) = 40 × 20 + 40 × 4 + 3 × 20 + 3 × 4.

  • be fluent in their number facts for multiplication

  • be fluent in the addition, subtraction and multiplication of negative numbers

  • be fluent in algebraic simplification (collecting like terms and multiplication)

Solve linear equations with x on one side
x+a=b
x-a=b
ax=b
ax+b=c
ax-b=c
b+/-ax=c

x + 3 = 5

x + 3 = 2

x + 3 = 0

x + 3 = -1

x + 3 = -5

x + a = b

x>0 when ...

x=0 when ...

x<0 when ...

x - 3 = 5

x - 3 = 2

x - 3 = 0

x - 3 = -1

x - 3 = -5

x - a = b

x>0 when ...

x=0 when ...

x<0 when ...

8  - x = 3

9          5