Week 2

Lesson 7

11+22+33+44+55=165

23+41+74+83+16=237

45+19+32+74+55=225

51+48+76+85+4=264

263+104+321+155=843

94,758+2,847+93,688+9,386+258+3,456=204,388

Lesson 8

The answer for 26. is 1,524

Lesson 9

75+ 75 =150

40+30=70

15+35 =50