Math Starters - Maths Legends:Term 2

My Working out:

1.6 + 1 = 7

7 + 10 = 17

___

2.7 + 3 = 10 

10 x 3 = 30

10 + 30 = 40

40 + 1 = 41

___
3.7 + 3 = 10

16 + 2 = 18

18 + 10 = 28

___

4.9 + 4 = 13

10  + 10 = 20

13 + 20 = 33

33 + 4 = 37

___

TOTAL

3 x 4 = 12 

40 x 3 = 120

1 + 2 = 3

120 + 3 + 123

--

28 + 2 = 30

37 + 3 = 40

41 + 12 = 53

53 + 40 + 30 = 123