Subtraction: two-digit and two-digit numbers
Spine 1: Number, Addition and Subtraction – Topic 1.16
Primary
KS1
Year 2
Mastery PD Materials
Introduction
Build on segments 1.13 and 1.14 to equip children with useful strategies for subtraction of one two-digit number from another, partitioning two-digit numbers into tens and ones before calculation.
Teaching points
- Teaching point 1: Known strategies can be used to subtract a multiple of ten and a single-digit number from a two-digit number.
- Teaching point 2: A two-digit number can be subtracted from a two-digit number by partitioning the subtrahend into tens and ones.