Day 3 Class 4 Multiplication

Multiple Choice

Which of the following is always true according to the Zero Property of Multiplication?

• 63 × 1 = 63

• 45 × 0 = 0

• 7 × 10 = 70

• 12 × 2 = 24

Multiple Choice

The commutative property means: 7 × 8 = 8 × 7.

• True

• False

Open Ended

Explain with your own example why the identity property of multiplication is useful.

Multiple Choice

243 × 1 = ?

• 243

• 0

• 244

• 231

Multiple Choice

45 × 2 × 4 can be solved quickly using commutative property as:

• (45 × 2) × 4

• (2 × 4) × 45

• (45 × 4) × 2

• All of the above

Match

Match the multiplication problem with its answer:

• 27 × 78

• 3527 × 0

• 9 × 3 × 26

2106

0

702

• 2106

• 0

• 702

Multiple Choice

79 × 10 = ?

• 790

• 709

• 79

• 890

Open Ended

Without solving fully, explain how you would quickly calculate 93 × 1000 in your head.

Open Ended

Which multiplication property (Zero, Identity, or Commutative) do you think is most helpful in daily life, and why?