3 Addition How Many Altogether ? 2 and 4 make 6. 4 and 3 make 7. 2 + 4 = 6 4 + 3 = 7 6 and 3 make 9. 2 and 3 make 5. 6 + 3 = 9 2 + 3 = 5 4 and 4 make 8. 4 + 4 = 8 Mathematics-1 23