Warm-up Which One Doesn’t Belong: Fractional Values
Which one doesn’t belong?
Activity 1 Friendship Bracelets
Clare, Elena, and Andre are making macramé friendship bracelets. They’d like their bracelets to be
Clare started her bracelet first and has only
inch left until she finishes it. How long is her bracelet so far?
So far, Elena’s bracelet is
inches long and Andre’s is inches long. How many more inches do they each need to reach inches?
How much longer is Elena’s bracelet than Andre’s at the moment?
Activity 2 Multiple Ways to Subtract
Here are four expressions that you may have written about the friendship bracelets.
Here is one way to find the value of the first expression. Analyze the calculation. Talk to your partner about why
Here are some unfinished calculations. Complete them to find the value of each difference.
Elena is making friendship necklaces and wants the chain and clasp to be a total of