In this class activity, students find the missing number to complete a number sentence while also seeing different representations made by other students.
Task Instructions
- In this activity each child has the same number of cubes and a cup.
- They take turns hiding some of their cubes in the cup and showing the leftovers.
- Other children work out the answer to the question “How many are hiding,” and say the full number combination.
Example: I have 10 cubes and I decide to hide 4 in my cup. My group can see that I only have 6 cubes. Students should be able to say that I’m hiding 4 cubes and that 6 and 4 make 10.
Materials
- 10 or more snap cubes /objects per player
- A cup for each player