Part 3
➤ Choose a secret number less than 100.
➤ Write hints so someone could guess your number.
➤ Trade hints with another pair of classmates.
Find their secret number.
Display Your Work
Make a poster for your secret number.
Put the hints on the front of the poster
and the number on the back.
Take It Further
Write a secret addition or subtraction sentence.
Make up hints about your sentence.
Read the hints to a classmate.
Have them guess your secret sentence.
3
Investigation