Problem #1
When counting by threes, what comes before 66?
Problem #2
When counting by fours, what comes after 32?
Problem #3
When counting by twos, what comes after 60?
Problem #4
When counting by sixes, what comes after 30?
Problem #5
When counting by fives, what comes before 25?
Problem #6
When counting by threes, what comes before 15?
Problem #7
When counting by fours, what comes after 22?
Problem #8
When counting by sevens, what comes before 42?
Problem #9
When counting by sixes, what comes before 96?
Problem #10
When counting by fours, what comes before 88?
Problem #11
Count forward by fours from 52,...
52, __, __.
Problem #12
Count backward by sixes from 54.....
54, __, __.
Problem #13
Count forward by fives from 45.....
45, __, __.
Problem #14
Count forward by threes from 72.....
72, __, __.
Problem #15
Count backward by sevens from 91.....
91, __, __.
Problem #16
Count forward by sixes from 66.....
66, __, __.
Problem #17
Count backward by eights from 96.....
96, __, __.
Problem #18
Count forward by twos from 22.....
22, __, __.
Problem #19
Count forward by nines from 54.....
54, __, __.
Problem #20
Count backward by sevens from 70.....
70, __, __.