Make a math drawing, and circle the part you know. Cross out the unknown part. Complete the number sentence and number bond.
10
1.
Deb blows up 9 balloons. Some balloons popped. Three balloons are left. How many
balloons popped?
Copyright
From EngageNY.org of the New York State Education Department. Grade 1 Mathematics Module 1, Topic H, Lesson 31. Internet. Available from https://www.engageny.org/resource/grade-1-mathemat...; accessed 20/July/2015.