Calculation skills

S11

I can subtract TU - TU with exchanging.

S12

I can subtract HTU - TU with exchanging.

S13

I can subtract numbers involving negative numbers set out on a number line.

S14

I can subtract HTU - HTU with exchanging.

S15

I can subtract Ł and p.

S16

I can subtract ThHTU – HTU.

S17

I can subtract U.t – U.t.