Lesson 2.10 Multiplication

Jeff’s teacher writes a list of numbers on the board.  She asks Jeff to circle the prime number.  Which number should Jeff circle?

• 6

• 10

• 13

• 15

Which statement represents 6 X 3

• Rachel collected 6 cards. Mike has 3 more cards.

• Rachel has 3 times as many cards as MIke. Mike has 6 cards.

• Rachel has 6 cards. Mike has 3 cards.

• Mike has 6 more cards than Rachel. Rachel has 3 cards. How many cards does Mike have?

An area model for 7 X 763 is shown. What is the missing partial product?

630 X 3=

3316 X 8=

A factory can make 3,848 pencils in one hour.  Which is the best estimate of how many pencils can be made in 4 hours?

• 160,000 pencils

• 16,000 pencils

• 12,000 pencils

• 1,600 pencils