122 Multiplication and Division Concepts
Rigorous Problem Solving with the Concept
of Repeated Subtraction Division 2
The friends want to equally share 30 cookies.Part A
Which equations represent the friends’ equally sharing
30 cookies?o 30 ÷ 3 = 10
o 30 – 15 – 15 = 0
o 30 ÷ 6 = 15
o 30 ÷ 10 = 3
o 30 – 6 – 6 – 6 – 6 – 6 = 0
o 30 – 6 – 5 – 5 – 5 – 5 = 0Part B
What if the friends want to equally share 18 cookies?How many friends?
How many cookies for each friend?Write the equation.Write an equation that represents how to equally share
18 cookies a different way?© 2016, Math Intervention: Grades 3–5, Jennifer Taylor-Cox, Routledge