120 days · 30 days per operation · Answers 0–100 · Landscape A4
0+5=5 up to 95+5=100. 30 days, 6 weekly bands.
5−5=0 up to 104−5=99. Mirror of Level 3A.
0+6=6 up to 94+6=100. Builds on Add 5 fluency.
6−6=0 up to 105−6=99. Completes Level 3.