MATH - Grade K

Math Challenges

Source: https://www.openmiddle.com/category/kindergarten/counting-cardinality/

Activity 1

I have a horizontal ten-frame that has some counters on it. One row of the frame is full and one is not. What is the largest number I could make? What is the smallest number I could make?

Hint:  Start by filling in one row of your ten frame with counters.

What does it mean to be the smallest number if one row of the ten frames is full and one is not?

Answer:  Smallest number = 5. Largest number = 9