Problem Solving Using Multiplication

When using the ARRAY strategy to solve this multiplication problem, which factor tells you the number of items in each row?

• 5

• 4

When solving the multiplcation problem above using the REPEATED ADDITION strategy, what does the factor "4" tell you?

• Number of times the factor (2nd number) is added.

• Number that is added/repeated.

Which multiplication fact is modeled above?

• 4 x 3 = 12

• 6 x 2 = 12

• 2 x 6 = 12

• 4 x 4 = 12

Which multiplication fact is modeled above?

• 4 x 3 = 12

• 6 x 3 = 18

• 5 x 3 = 15

• 5 x 4 = 20

Cindy has 162 blue balloons. Daniel has 34 balloons. Robert has 56 more balloons than Daniel. Brianna has 27 times more balloons than Cindy. How many balloons does Brianna have?

• 4,218 balloons

• 4,374 balloons

• 5,601 balloons

• 5,987 balloons

There are 245 dozen cupcakes in the Gigi's Cupcakes bakery. How many cupcakes are there total?

• 764 cupcakes

• 1,540 cupcakes

• 2,367 cupcakes

• 2,940 cupcakes

What property allows this statement to be true?

ab = ba

• Associative Property of Multiplication

• Distributive Property

• Commutative Property of Multiplication

• Associative Property of Addition

When solving this problem:  2 ⋅ (5 ⋅ 29), Abe instead started by solving 2⋅5 first, like so:  (2 ⋅ 5) ⋅ 29.  Which property says that you can do this?

• Commutative Property of Addition

• Associative Property of Multiplication

• Associative Property of Addition

• Commutative Property of Multiplication

Leighandra was multiplying  4( 2 1/2).  Instead of changing the mixed number to an improper fraction.  She did 4(2) + 4(1/2).  What property did she use?

• Associative

• Commutative

• Distributive

• inverse

What is the multiplicative inverse of 2/3?

• -2/3

• 3/2

• -3/2

• 2/3