184 Multifaceted Number Concepts
Rigorous Problem Solving with the Concept of
Expanded Form 1
Kolby rolls four dice and forms a 4-digit number.What is the smallest 4-digit number Kolby could have made
with the four numbers he rolled?
Write the number and the expanded form as an equation.© 2016, Math Intervention: Grades 3–5, Jennifer Taylor-Cox, Routledge
Part A
Which expressions do not represent the number in expanded
form?o (5 x 1,000) + (7 x 100) + (9 x 10) + (1 x 3)
o (5 x 100) + (7 x 100) + (9 x 10) + (1 x 3)
o 5,000 + 700 + 90 + 3
o 5,000 + 700 + 30 + 9
o (1,000 x 5) + (100 x 7) + (10 x 9) + (3 x 1)Part B
What is the greatest 4-digit number Kolby could have made
with the four numbers he rolled?
Write the number and the expanded form as an equation.