This is my maths I have done
This is adding on to 10
10+1=11 10+2=12 10+3=13 10+4=14 10+5=15 10+6=1610+7=17 10+8=18 10+9=19 10+10=20
This is doubles of 100s
100+100=200 200+200=400 400+400=800 500+500=1000
What maths do you like doing?