Length of beam in inches. Number of nails
9. 3
15. 5
24. 8
30. 10
39. 13
Sarah use the rule divide the link of the beam by three to get the number of nails needed. Drag and the numbers to the correct boxes numbers may be used once or not at all
Length of beam in inches. Number of nails
9. 3
15. Blank
Blank 8
Blank. 10
39. 13
30, 24, 13, 9, 8.
1 answer