Grade
K
How Many Are Hidden? Spaceship Pieces
![A spaceship made of shapes. 1 triangle for the top. 1 square for the body. The bottom is 3 triangles.](/sites/default/files/styles/large/public/inline-images/nf7B8mc1v46Ta2iiHWR5yCFN1lhkmgXX7ynS8hQhbCnEnk4Fn5.jpg?itok=9TRoNY1m)
What do you notice? How many shapes do you see?
![The partial spaceship has 1 square for the body. The bottom has 2 triangles.](/sites/default/files/styles/large/public/activity-of-the-day/spaceship-2.png?itok=U6Hd8MV8)
Some of the shapes are hidden. How many are hidden? Which shapes are hidden?
Use math words, numbers or pictures to explain how you know.
Follow-up
Draw a picture to show a different number of shapes hiding. How many are left?
Printable Version
Google doc for printing and copying
Reference for Educators
Sample problems and solutions