1. Warm Up
3. Steve brought 1/4 cup of chocolate chips to a Creeper's house so they could bake cookies. The Creeper already had 3/8 cup of chocolate chips. How many cups of chocolate chips do they have altogether?
2. Enderman has 1/2 cup of flour in a mixing bowl. He adds more flour. He claims that he now has 3/7 cup of flour in the mixing bowl. Why is Enderman’s claim incorrect? 4.

2. Warm Up
1. An expression is shown
What is the value of the expression?
3. K.C. has cup of flour in a mixing bowl. She adds more flour. K.C. claims that she now has cup of flour in the mixing bowl. Why is K.C.’s claim impossible?
4. Luis, Alayna, and Lauren are baking cookies. Luis has cup of flour, Alayna has cups of flour, and Lauren has cups of flour. How many cups of flour do they have altogether?
2 . What is the missing number?