Digital Ad Specifications

Specification
NCTM e-Journals
Summing Up
nctm.org
illuminations.nctm.org

Dimensions (width x depth)

560 x 90

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.