Addition within 40
Help
Count on to add: 15 + 4
15 + 4 = 19
Count on to add: 23 + 5
23 + 5 = 28
Group into tens and ones to add: 31 + 4
31 + 4 = 35
Unlock this slideshow and over 2 million more with Baamboozle+
Try slideshows
Your experience on this site will be improved by allowing cookies.
Allow cookies