1. Fill in the missing numbers in order for each line on the jerseys. 2. Use the stickers and ten frames to show different ways to compose the number 13. 3. Write or type in the number pairs that compose 13 for each set of ten frames. 4. Circle a group of ten on each helmet. 5. Write or type in how many groups of ten and some more are on each helmet and the number that they compose. 6. Hit the green check. 7. Put it in your name.