follow up maths week 5 and day 3

Day 3

1. 41 - 5 = 40-5=35 35+1=36
2. 43 - 7 =40-7=33 33+3=36
3. 47 - 5 =40-5=35 35+7=42
4. 49 - 9 =40-9=31 31+9=40
5. 44 - 8 =40-8=32 32+4=36