Counting with Dinosaurs Package A fun collection of three PowerPoints to assist in the teaching and learning of counting, more, less, adding 1 and subtracting 1 £2.30 Don't forget to click in the images for an enlarged view. Count the Dinosaurs PowerPoint Click here for a preview of sample slide in action. Adding 1 Dinosaur PowerPoint A super little PowerPoint with a catchy rhyme to help children to understand the concept of 1 more and add 1 up to number 5. Click here to view sample slide in action. 1 More, 1 Less, Add 1, Subtract 1 Dinosaur PowerPoint - up to number 10. (please note that the use of the word "less" in the PowerPoint display below has now been changed to "fewer" as shown in the "sample slide in action". Click here to view sample slide in action.