time challenges

today in strand math we have been learning about time.the teacher gave us strips of paper with three time challenges.how the challenges work was you had to estimate the challenge and do the challenge and time your self of how long it takes for you to do that challenges.the hardest challenge was writing the 1 to 100 digits the challenge that I have to work on is the 1 to 100 challenge. this activity was fun if you want to know more comment down below.