word problemes
Mary has 81 beads and she gave 51 away. She want to make 3 necklesses. How many beads can she use for each?
10
3,7,11,15,19
plus 4
23,27,31
Input Output
2 4
4 8
6 12
_____ 16
10 ______
times 2
16,20
daily double
2 6
3 9
5 ____
_____ 21
times 3
15, 7