Mathematics · Pedagogy of Mathematics
Representing a number like 15 in different array diagrams using dots/bindis (such as 1 × 15, 3 × 5, or 5 × 3) is a teaching method used to introduce which set of mathematical concepts?
- 1Representation of a number as a product of two numbers, commutative property of multiplication, multiplicative identity, and identification of prime and composite numbers only.
- 2Representation of a number as a product of two numbers, commutative property of multiplication, multiplicative identity, identification of prime and composite numbers, and area of a rectangle using unit squares.✓
- 3Commutative property of multiplication, identification of prime and composite numbers, and area of a rectangle.
- 4Area and commutative property only.
Correct answer
Representation of a number as a product of two numbers, commutative property of multiplication, multiplicative identity, identification of prime and composite numbers, and area of a rectangle using unit squares.
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