This resource teaches children to subtract numbers within 20 whilst crossing ten. They are taught to partition the subtrahend to find 10, aided by number lines and tens frames. There is a teaching presentation accompanied by differentiated activities with a range of fluency, reasoning and problem-solving questions.

National Curriculum Objectives:

Mathematics Year 1: 

represent and use number bonds and related subtraction facts within 20
add and subtract one-digit and two-digit numbers to 20, including zero
solve one-step problems that involve addition and subtraction, using concrete objects and pictorial representations, and missing number problems

Differentiation:

There are three levels of differentiation in this pack: ‘working towards,’ ‘expected’ and ‘greater depth’.

Level of this Pack:
Age: 5-6
 England & Wales: Year 1
 Scotland: Primary 1
 Rep. Ireland: Infants
 Australia: Kindergarten
 USA: Kindergarten
#Spring Block 1
...