Digital Ad Specifications
| Specification | NCTM e-Journals | Summing Up |
nctm.org illuminations.nctm.org |
| Dimensions (width x depth) |
180 x 450 180 x 300 |
180 x 300 |
300 x 250 160 x 600* |
| Format | JPEG, GIF | JPEG, GIF | PNG, JPEG, GIF, SWF |
| File Size | Max 40K | Max 30K | Max 40K |
| Animation | Not accepted | Not accepted | Max 15 seconds |
| Resolution | 72 dpi | 72 dpi | 72 dpi |
| Space | Two weeks prior to broadcast date | Two weeks prior to broadcast date | Thirty days prior to online date |
| Artwork | Five business days prior to broadcast date | Five business days prior to broadcast date | Five business days prior to online date |
*160 x 600 ad applies to illuminations.nctm.org only.
Send ad materials to: sendmyad@theygsgroup.com
All advertisers are subject to review and publisher's advertising policies.
Flash Ads (SWF): SWF files must include a standard image file for times when the user's browser does not support Flash. Please also insert a click through action to cover the full dimensions of the ad (this makes the entire ad clickable). For more information visit adobe.ly/FlashAds.