166 Multiplication and Division Concepts
Rigorous Problem Solving with the Concept of
Partial Products 1
Lanham Elementary School received a donation of juice boxes
from the local store. Each class was given 43 juice boxes.
There were 27 classes. How many total juice boxes did the
school receive?Part A
Which expressions represent the total number of juice boxes
the school received?o 43 + 27
o 21 + 280 + 60 + 800
o 21 + 28 +60 + 80
o (20 x 40) + (20 x 3) + (7 x 40) + (7 x 3)
o (2 x 40) + (20 x 3) + (7 x 4) + (7 x 3)
o (2 x 40) + (20 x 3) + (7 x 40) + (7 x 3)Part B
What if each class received 4 more juice boxes?
Write an expression to represent the new total number of
juice boxes the school received.© 2016, Math Intervention: Grades 3–5, Jennifer Taylor-Cox, Routledge