Math Intervention 3–5 Grade

Multiplication and Division Concepts 117

Rigorous Problem Solving with the Concept
of Repeated Addition Multiplication 2

Five fourth graders will celebrate their birthdays at a party on
Friday. Each student will receive one cake. Each cake needs
nine candles on it.

Part A

Which expressions represent the number of candles needed?

o 4 + 5
o 4 x 5
o 5 + 1 + 9
o 5 + 5 + 5 + 5
o 9 + 9 + 9 + 9 + 9
o 9 + 9 + 9
o 4 x 9
o 5 x 9
o 1 x 9
o 1 + 9

Part B

If each cake is cut into 8 pieces, how many pieces of cake will
there be?

Justify your answers with an equation.