Use 10 post it notes or cut out 10 squares of paper. Have your child write the numbers 1-10 or 11-20 on the paper. Then hide the numbers around your house or in your yard. Have your child find the numbers put them in order like a number line.
Create a big Ten's frame like the one on the left. Hide the numbers 1-10 or 11-20 around the house or yard. Have your child find the numbers and put them in the correct spot in the tens frame. (1-5 go on the top left to right. 6-10 go on the bottom left to right.)