Terry, 4th grade
Three is the first number of a pair, and 8 is the second. 411 514 617 ____ ____ ____ 1029 ____ ____ ____ Hi Terry,
If you look at the string of second numbers, Check the next 4 pairs that have first numbers 7, 8, 9 and 10 to make sure that the "add 3" procedure gives the pair 1029.
Now that you see that "add 3" is the procedure, look again at the pairs. Notice that in each case the second number is almost 3 times the first number. In fact each second number is one less than 3 times the first number. 11 is 1 less than 3 times 4 14 is 1 less than 3 times 5 17 is 1 less than 3 times 6 Penny
