Tap to begin Page 1: Click on the to learn about Part Part Whole Subtraction Pages 2-9: Follow the directions below. 1. Count the snowballs in the picture. That is the "WHOLE" (the big number) 2. Use the tool to drag the snowballs to the "WHOLE" section of the mat. (The green section) 3. The red number in the number sentence tells you how many snowballs to take away. Use the tool to drag that amount to the red "PART" of the mat. 4. Use the tool to drag the remaining snowballs to the purple"PART" of the mat. That is the amount of snowballs that are left. 5. Use the tool to Complete the number sentence. On the green line write the number that represents the whole amount (starting number). On the purple line write the number that represents the part that was left. 6. Use the to Record yourself saying the number sentence. Tap to submit completed activity.