One less than
  Kinder

One less than
  Grade 1

Two less than
  Grade 1

Adding on
  Grade 2

Subtracting 2
  Grade 2

Subtracting 3
  Grade 2

Subtracting 4
  Grade 2

Subtracting 5
  Grade 2

Subtracting 6
  Grade 2

Subtracting 7
  Grade 2

Subtracting 8
  Grade 2

Subtracting 9
  Grade 2

Subtracting multiples of 10
  Grade 2

Subtraction using visual cues
  Grade 2

Subtracting from 100
  Grade 3

Subtracting multiples of 10
  Grade 3

Subtracting multiples of 100
  Grade 3

Subtraction using visual cues
  Grade 3

Single digit subtraction
  Grade 3

Subtraction two step problem solving
  Grade 3

Mental subtraction
  Grade 3

Two digit subtraction
  Grade 4

Subtract within 1000
  Grade 4

Subtraction missing numbers
  Grade 4

Subtracting large numbers
  Grade 5

Subtraction problem solving
  Grade 5

Subtraction problem solving
  Grade 6